LTC3416EFE#TR datasheet, PDF - EEWORLD Datasheet

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LTC3416EFE#TR: DescriptionIC reg buck sync adj 4A 20tssop; CategoryPower/power management The power supply circuit; File Size172KB，4 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html

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LTC3416EFE#TR Overview

IC reg buck sync adj 4A 20tssop

LTC3416EFE#TR Parametric

Parameter Name	Attribute value
Brand Name	Linear Technology
Is it Rohs certified?	incompatible
Maker	Linear ( ADI )
Parts packaging code	TSSOP
package instruction	HTSSOP, TSSOP20,.25
Contacts	20
Manufacturer packaging code	FE
Reach Compliance Code	_compli
ECCN code	EAR99
Analog Integrated Circuits - Other Types	SWITCHING REGULATOR
control mode	CURRENT-MODE
Maximum input voltage	5.5 V
Minimum input voltage	2.25 V
Nominal input voltage	3.3 V
JESD-30 code	R-PDSO-G20
JESD-609 code	e0
length	6.5 mm
Humidity sensitivity level	1
Number of functions	1
Number of terminals	20
Maximum operating temperature	85 °C
Minimum operating temperature
Maximum output current	8 A
Package body material	PLASTIC/EPOXY
encapsulated code	HTSSOP
Encapsulate equivalent code	TSSOP20,.25
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	235
Certification status	Not Qualified
Maximum seat height	1.2 mm
surface mount	YES
Switch configuration	BUCK
Maximum switching frequency	4000 kHz
technology	CMOS
Temperature level	OTHER
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	20
width	4.4 mm

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QUICK START GUIDE FOR DEMONSTRATION CIRCUIT DC667

4A MONOLITHIC SYNCHRONOUS STEP-DOWN REGULATOR WITH TRACKING

LTC3416

DESCRIPTION

Demonstration circuit 667 is a high efficiency, high

frequency buck converter, incorporating the LTC3416

monolithic synchronous regulator. DC667 operates in

forced continuous operation and provides tracking of

another power supply rail. It operates from an input

voltage range of 2.25V to 5.5V and provides a regu-

lated output voltage from 0.8V to 5V. DC667 can de-

liver high power – up to 4A of output current - in a

relatively small circuit, thanks to 67mohm high cur-

rent power switches in the LTC3416. The LTC3416

also incorporates OPTI-LOOP compensation, so that

the DC667 can be optimized to provide fast transient

response over a wide range of line and load condi-

tions. All these features make the DC667 perfectly

suited for battery powered, hand-held applications.

Design files for this circuit board are available. Call

the LTC factory.

QUICK START PROCEDURE

Demonstration circuit DC667 is easy to set up to

evaluate the performance of the LTC3416EFE. Refer

to Figure 1 for proper measurement equipment setup

and follow the procedure below:

NOTE:

When measuring the input or output voltage

NOTE:

Make sure that the input voltage VIN does not

exceed 5.5V.

Check for the output voltages VOUT = 2.5V

ripple, care must be taken to avoid a long ground lead

on the oscilloscope probe. Measure the input or out-

put voltage ripple by touching the probe tip directly

across the VIN or VOUT and GND terminals. See Fig-

ure 2 for proper scope probe technique.

Place jumper JP1 in the ON position.

Connect Jumper JP4 for 2.5V Output Voltage.

If there is no output, temporarily disconnect the

load to make sure that the load is not set too high.

Once the proper output voltages are established,

adjust the loads within 4A range and observe the

output voltage regulation, ripple voltage, efficiency

and other parameters.

To test tracking functions, place JP2 to ON posi-

Leave JP3, JP5 and JP6 unconnected.

With power off, connect the input power supply

tion, and connect TRACK terminal to 1.25V Voltage

supply (through a voltage divider, the voltage on

Track pin of the IC is about 550mV), the output

voltage will be regulated at 1.75V.

Connect TRACK terminal to GND, the VOUT should

VIN to VIN and GND.

Connect TRACK terminal to VIN (JP2 to Off posi-

be less than 200mV in normal operation.

10.

To test 1.8V output voltage, connect JP3 and leave

tion), tracking function is disabled.

Apply input power at the VIN slowly, by increasing

VIN from 0V to 5.5V.

JP4, JP5 and JP6 unconnected. Repeat the proce-

dure 3 to 7. Follow the similar procedure for other

output voltage tests.

LTC3416EFE#TR Related Products

	LTC3416EFE#TR	DC667A	LTC3416EFE#TRPBF	LTC3416EFE#PBF
Description	IC reg buck sync adj 4A 20tssop	board eval for ltc3416efe	IC REG BUCK ADJ 4A SYNC 20TSSOP	IC REG BUCK ADJ 4A SYNC 20TSSOP
Brand Name	Linear Technology	-	Linear Technology	Linear Technology
Is it Rohs certified?	incompatible	-	conform to	conform to
Maker	Linear ( ADI )	-	Linear ( ADI )	Linear ( ADI )
Parts packaging code	TSSOP	-	TSSOP	TSSOP
package instruction	HTSSOP, TSSOP20,.25	-	HTSSOP, TSSOP20,.25	HTSSOP, TSSOP20,.25
Contacts	20	-	20	20
Manufacturer packaging code	FE	-	FE	FE
Reach Compliance Code	_compli	-	compliant	compliant
ECCN code	EAR99	-	EAR99	EAR99
Analog Integrated Circuits - Other Types	SWITCHING REGULATOR	-	SWITCHING REGULATOR	SWITCHING REGULATOR
control mode	CURRENT-MODE	-	CURRENT-MODE	CURRENT-MODE
Maximum input voltage	5.5 V	-	5.5 V	5.5 V
Minimum input voltage	2.25 V	-	2.25 V	2.25 V
Nominal input voltage	3.3 V	-	3.3 V	3.3 V
JESD-30 code	R-PDSO-G20	-	R-PDSO-G20	R-PDSO-G20
JESD-609 code	e0	-	e3	e3
length	6.5 mm	-	6.5 mm	6.5 mm
Humidity sensitivity level	1	-	1	1
Number of functions	1	-	1	1
Number of terminals	20	-	20	20
Maximum operating temperature	85 °C	-	85 °C	85 °C
Maximum output current	8 A	-	8 A	8 A
Package body material	PLASTIC/EPOXY	-	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	HTSSOP	-	HTSSOP	HTSSOP
Encapsulate equivalent code	TSSOP20,.25	-	TSSOP20,.25	TSSOP20,.25
Package shape	RECTANGULAR	-	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH	-	SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	235	-	260	260
Certification status	Not Qualified	-	Not Qualified	Not Qualified
Maximum seat height	1.2 mm	-	1.2 mm	1.2 mm
surface mount	YES	-	YES	YES
Switch configuration	BUCK	-	BUCK	BUCK
Maximum switching frequency	4000 kHz	-	4000 kHz	4000 kHz
technology	CMOS	-	CMOS	CMOS
Temperature level	OTHER	-	OTHER	OTHER
Terminal surface	Tin/Lead (Sn/Pb)	-	Matte Tin (Sn)	Matte Tin (Sn)
Terminal form	GULL WING	-	GULL WING	GULL WING
Terminal pitch	0.65 mm	-	0.65 mm	0.65 mm
Terminal location	DUAL	-	DUAL	DUAL
Maximum time at peak reflow temperature	20	-	30	30
width	4.4 mm	-	4.4 mm	4.4 mm

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