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ISL8840AMUZ-T

Description
1A SWITCHING REGULATOR, 2000kHz SWITCHING FREQ-MAX, PDSO8, ROHS COMPLIANT, PLASTIC, MO-187AA, MSOP-8
CategoryPower/power management    The power supply circuit   
File Size702KB,15 Pages
ManufacturerC&K Components
Environmental Compliance
Download Datasheet Parametric View All

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ISL8840AMUZ-T Overview

1A SWITCHING REGULATOR, 2000kHz SWITCHING FREQ-MAX, PDSO8, ROHS COMPLIANT, PLASTIC, MO-187AA, MSOP-8

ISL8840AMUZ-T Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerC&K Components
Parts packaging codeTSSOP
package instructionTSSOP, TSSOP8,.19
Contacts8
Reach Compliance Codecompliant
ECCN codeEAR99
Factory Lead Time1 week
Is SamacsysN
Analog Integrated Circuits - Other TypesSWITCHING REGULATOR
control modeCURRENT-MODE
Control TechnologyPULSE WIDTH MODULATION
Maximum input voltage30 V
Minimum input voltage6.9 V
Nominal input voltage15 V
JESD-30 codeS-PDSO-G8
JESD-609 codee3
length3 mm
Humidity sensitivity level1
Number of functions1
Number of terminals8
Maximum operating temperature125 °C
Minimum operating temperature-55 °C
Maximum output current1 A
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Encapsulate equivalent codeTSSOP8,.19
Package shapeSQUARE
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Maximum seat height1.1 mm
surface mountYES
Switch configurationSINGLE
Maximum switching frequency2000 kHz
Temperature levelMILITARY
Terminal surfaceMatte Tin (Sn) - annealed
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperature40
width3 mm
Base Number Matches1
DATASHEET
ISL8840A, ISL8841A, ISL8842A, ISL8843A, ISL8844A, ISL8845A
High Performance Industry Standard Single-Ended Current Mode PWM Controller
FN6320
Rev 3.00
April 18, 2007
The ISL884xA is a high performance drop-in replacement for
the popular 28C4x and 18C4x PWM controllers suitable for a
wide range of power conversion applications including
boost, flyback, and isolated output configurations. Its fast
signal propagation and output switching characteristics
make this an ideal product for existing and new designs.
Features include 30V operation, low operating current, 90A
start-up current, adjustable operating frequency to 2MHz,
and high peak current drive capability with 20ns rise and fall
times.
PART NUMBER
ISL8840A
ISL8841A
ISL8842A
ISL8843A
ISL8844A
ISL8845A
RISING UVLO
7.0
7.0
14.4V
8.4V
14.4V
8.4V
MAX. DUTY CYCLE
100%
50%
100%
100%
50%
50%
Features
• 1A MOSFET gate driver
• 90A start-up current, 125A maximum
• 35ns propagation delay current sense to output
• Fast transient response with peak current mode control
• 30V operation
• Adjustable switching frequency to 2MHz
• 20ns rise and fall times with 1nF output load
• Trimmed timing capacitor discharge current for accurate
deadtime/maximum duty cycle control
• 1.5MHz bandwidth error amplifier
• Tight tolerance voltage reference over line, load and
temperature
• ±3% current limit threshold
• Pb-free plus anneal available
and ELV, WEEE, RoHS
Compliant
Pinout
ISL8840A, ISL8841A, ISL8842A, ISL8843A, ISL8844A, ISL8845A
(8 LD SOIC, MSOP)
TOP VIEW
COMP 1
FB 2
CS 3
RTCT 4
8 VREF
7 VDD
6 OUT
5 GND
Applications
• Telecom and datacom power
• Wireless base station power
• File server power
• Industrial power systems
• PC power supplies
• Isolated buck and flyback regulators
• Boost regulators
FN6320 Rev 3.00
April 18, 2007
Page 1 of 15
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