ISL6740IB datasheet, PDF - EEWORLD Datasheet

Datasheet> All Categories > Power/power management> The power supply circuit> ISL6740IB

ISL6740IB: Description0.5A SWITCHING CONTROLLER, 2000kHz SWITCHING FREQ-MAX, PDSO16, PLASTIC, MS-012-AC, SOIC-16; CategoryPower/power management The power supply circuit; File Size1MB，30 Pages; ManufacturerIntersil ( Renesas ); Websitehttp://www.intersil.com/cda/home/

Download Datasheet Parametric View All

ISL6740IB Overview

0.5A SWITCHING CONTROLLER, 2000kHz SWITCHING FREQ-MAX, PDSO16, PLASTIC, MS-012-AC, SOIC-16

ISL6740IB Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Objectid	1984610163
Parts packaging code	SOIC
package instruction	SOP, SOP16,.25
Contacts	16
Reach Compliance Code	not_compliant
ECCN code	EAR99
Factory Lead Time	4 weeks
Analog Integrated Circuits - Other Types	SWITCHING CONTROLLER
control mode	VOLTAGE-MODE
Control Technology	PULSE WIDTH MODULATION
Maximum input voltage	20 V
Minimum input voltage	9 V
JESD-30 code	R-PDSO-G16
JESD-609 code	e0
length	9.9 mm
Humidity sensitivity level	1
Number of functions	1
Number of terminals	16
Maximum operating temperature	105 °C
Minimum operating temperature	-40 °C
Maximum output current	0.5 A
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Encapsulate equivalent code	SOP16,.25
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Certification status	Not Qualified
Maximum seat height	1.75 mm
surface mount	YES
Switch configuration	PUSH-PULL
Maximum switching frequency	2000 kHz
technology	BICMOS
Temperature level	INDUSTRIAL
Terminal surface	TIN LEAD
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
width	3.9 mm

Preview

Download Datasheet

View All

DATASHEET

ISL6740, ISL6741

Flexible Double Ended Voltage and Current Mode PWM Controllers

The

ISL6740, ISL6741

family of adjustable frequency, low

power, Pulse Width Modulating (PWM) voltage mode

(ISL6740) and current mode (ISL6741) controllers, is designed

for a wide range of power conversion applications using

half-bridge, full bridge and push-pull configurations. These

controllers provide an extremely flexible oscillator that allows

precise control of frequency, duty cycle and dead time.

This advanced BiCMOS design features low operating current,

adjustable switching frequency up to 1MHz, adjustable

soft-start, internal and external over-temperature protection,

fault annunciation, and a bidirectional SYNC signal that allows

the oscillator to be locked to paralleled units or to an external

clock for noise sensitive applications.

FN9111

Rev.7.00

Jul 7, 2017

Features

• Precision duty cycle and dead time control

• 95µA start-up current

• Adjustable delayed overcurrent shutdown and restart

(ISL6740)

• Adjustable short-circuit shutdown and restart

• Adjustable oscillator frequency up to 2MHz

• Bidirectional synchronization

• Inhibit signal

• Internal over-temperature protection

• System over-temperature protection using a thermistor or

sensor

• Adjustable soft-start

• Adjustable input undervoltage lockout

• Fault signal

• Tight tolerance voltage reference over line, load and

temperature

• Pb-free (RoHS compliant)

ISL674x

(x =)

CONTROL MODE

Voltage Mode

Current Mode

Applications

• Telecom and datacom power

• Wireless base station power

• File server power

• Industrial power systems

• DC transformers and bus regulators

Related Literature

• For a full list of related documents, visit our website

ISL6740, ISL6741

product pages

Ordering Information

PART #

(Notes

1 2, 3)

ISL6740IBZ (No longer

available or supported)

ISL6740IVZ

ISL6741IVZ

NOTES:

1. Add “-T” suffix for 2.5k unit tape and reel options. Please refer to

TB347

for details on

reel specifications.

2. These Intersil Pb-free plastic packaged products employ special Pb-free material sets,

molding compounds/die attach materials, and 100% matte tin plate plus anneal (e3

termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free

soldering operations). Intersil Pb-free products are MSL classified at Pb-free peak reflow

temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.

3. For Moisture Sensitivity Level (MSL), please see product information page for

ISL6740,

ISL6741.

For more information on MSL please see techbrief

TB363.

PART

MARKING

6740IBZ

ISL67 40IVZ

ISL67 41IVZ

TEMP. RANGE

PACKAGE

PKG.

(°C)

(RoHS COMPLIANT) DWG. #

-40 to +105 16 Ld SOIC

-40 to +105 16 Ld TSSOP

M16.15

M16.173

Pin Configuration

ISL6740, ISL6741

(16 LD SOIC, 16 LD TSSOP)

TOP VIEW

OUTA 1

GND 2

SCSET 3

SYNC 5

CS 6

ERROR

UV 8

16 OUTB

15 V

REF

14 V

13 R

12 R

11 OTS

10 FAULT

9 SS

See

“Pin Descriptions” on page 13

FN9111 Rev.7.00

Jul 7, 2017

Page 1 of 30

ISL6740, ISL6741

Table of Contents

Functional Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Typical Application (ISL6740EVAL1) - 48V Input DC Transformer, 12V at 8A Output. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

ISL6740EVAL1 Component List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Typical Application (ISL6740EVAL2Z) - 36V to 75V Input, Regulated 12V at 8A Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

ISL6740EVAL2Z Component List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Typical Application (ISL6741) - 48V to 5V Push-Pull DC/DC Converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Thermal Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Operating Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Typical Performance Curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Pin Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Implementing Synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Soft-Start Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Gate Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Undervoltage Monitor and Inhibit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Overcurrent Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Short Circuit Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fault Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Thermal Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Ground Plane Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Typical Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Circuit Element Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Design Criteria . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Transformer Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

MOSFET Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Oscillator Component Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Output Filter Design. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Overcurrent Component Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Performance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Adding Line Only Regulation - Feed Forward. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Adding Regulation - Closed Loop Feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Performance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Revision History. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

About Intersil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Package Outline Drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Small Outline Plastic Packages (SOIC). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

FN9111 Rev.7.00

Jul 7, 2017

Page 2 of 30

Recommended Resources

LCD backlight power supply circuit

Local equipotential bonding in the bathroom

Controllable voltage variable gain amplifier

Backup power control circuit diagram

Typical application circuit diagram of MAX764,765,766a

Circuit diagram of using telephone as anti-theft monitor

Carriage return/line feed combination (VB.NET): memberconstantEquivalenceillustrateCrLfvbCrLfChr( 13 ) + Chr( 10 )The carriage return/line feed combination.CrvbCrChr(13)Carriage return character.LfvbLfChr(10)Newline character.NewLinevbNewLineChr( 1...; 火雨木头 MCU

Debugging u-boot on SMDK2450: I used u-boot.bin compiled by the u-boot of the SMDK2450 board. Whether I burned it to nandflash with the sjf tool or started it through irom, the serial port only output an "OK". I tested it with the...; YE955 Embedded System

About EVC 4 code generation settings multithreading issues: When I used evc4.0 to compile a project, the following error message popped up: C:Program FilesMicrosoft Visual Studio 8VCceatlmfcincludeafxver_.h(77): fatal error C1189: #error: Please use the /MD sw...; zengmingxia Embedded System

Request a video overlay circuit: At present, I only know that M6237 can overlay characters and videos, but I can't find a relatively complete M6237 circuit schematic. Please help me, industry engineers, thank you! Email: hanbing086@1...; ckuangling Embedded System

Is there a variable DC signal source in multisim? Where can I find it?: Is there a variable DC signal source in multisim? Where can I find it?...; zhuxiaoying Embedded System

[Urgent!!!] About the migration of programs from PC to WINCE: How can I port a program that has been passed on the simulator to a physical machine to run? I copied all the exe files and obj files it generated, but when I run it on the physical machine, it prompt...; markov Embedded System

Shortcut: E0 E1 E2 E3 E4 E5 E6 E7 E8 E9 EA EB EC ED EE EF EG EH EI EJ EK EL EM EN EO EP EQ ER ES ET EU EV EW EX EY EZ F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 FA FB FC FD FE FF FG FH FI FJ FK FL FM FN FO FP FQ FR FS FT FU FV FW FX FY FZ G0 G1 G2 G3 G4 G5 G6 G7 G8 G9 GA GB GC GD GE GF GG GH GI GJ GK GL GM GN GO GP GQ GR GS GT GU GV GW GX GZ H0 H1 H2 H3 H4 H5 H6 H7 H8 HA HB HC HD HE HF HG HH HI HJ HK HL HM HN HO HP HQ HR HS HT HU HV HW HX HY HZ I1 I2 I3 I4 I5 I6 I7 IA IB IC ID IE IF IG IH II IK IL IM IN IO IP IQ IR IS IT IU IV IW IX J0 J1 J2 J6 J7 JA JB JC JD JE JF JG JH JJ JK JL JM JN JP JQ JR JS JT JV JW JX JZ K0 K1 K2 K3 K4 K5 K6 K7 K8 K9 KA KB KC KD KE KF KG KH KI KJ KK KL KM KN KO KP KQ KR KS KT KU KV KW KX KY KZ

Popular Components