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What is ISL6741?

This electronic component, produced by the manufacturer "Intersil", performs the same function as "Flexible Double Ended Voltage and Current Mode PWM Controllers".


ISL6741 Datasheet PDF - Intersil

Part Number ISL6741
Description Flexible Double Ended Voltage and Current Mode PWM Controllers
Manufacturers Intersil 
Logo Intersil Logo 


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Flexible Double Ended Voltage and Current Mode PWM
Controllers
ISL6740, ISL6741
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 deadtime.
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.
Ordering Information
PART
NUMBER
(Notes 2, 3)
PART TEMP. RANGE
MARKING
(°C)
PACKAGE
PKG.
DWG. #
ISL6740IBZ 6740IBZ
(Note 1)
-40 to +105 16 Ld SOIC M16.15
(Pb-free)
ISL6740IVZ ISL67 40IVZ -40 to +105 16 Ld TSSOP M16.173
(Note 1)
(Pb-free)
ISL6741IB ISL6741IB -40 to +105 16 Ld SOIC M16.15
ISL6741IBZ 6741IBZ
(Note 1)
-40 to +105 16 Ld SOIC M16.15
(Pb-free)
ISL6741IVZ ISL67 41IVZ -40 to +105 16 Ld TSSOP M16.173
(Note 1)
(Pb-free)
NOTES:
1. Add “-T*” suffix for tape and reel. 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 device information
page for ISL6740, ISL6741. For more information on MSL please
see techbrief TB363.
ISL674x
x=
0
1
CONTROL MODE
Voltage Mode
Current Mode
Features
• Precision Duty Cycle and Deadtime Control
• 95µA Start-up Current
• Adjustable Delayed Overcurrent Shutdown and Re-start
(ISL6740)
• Adjustable Short Circuit Shutdown and Re-start
• 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 Available (RoHS Compliant)
Applications
• Telecom and Datacom Power
• Wireless Base Station Power
• File Server Power
• Industrial Power Systems
• DC Transformers and Buss Regulators
Pin Configuration
ISL6740, ISL6741
(16 LD SOIC, 16 LD TSSOP)
TOP VIEW
OUTA 1
GND 2
SCSET 3
CT 4
SYNC 5
CS 6
VERROR 7
UV 8
16 OUTB
15 VREF
14 VDD
13 RTD
12 RTC
11 OTS
10 FAULT
9 SS
December 2, 2011
FN9111.6
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 |Copyright Intersil Americas Inc. 2003, 2004, 2007, 2011. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.

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ISL6741 equivalent
Typical Application (ISL6740) - 36V to 75V Input, Regulated 12V @ 8A Output (ISL6740EVAL2Z)
VIN+
L1
C2
QH
L3
CR5
T1
R26
QR1
C11
R8
SP1
QR3
+
+12V
C21
C13 C9 C8
TP1 R10
L2 RTN
C1 CR4
T2
36V TO 75V
R1
R2
CR3
C3
C7
C4
QL
U1
HIP2101
VDD LO
HB VSS
HO LI
HS HI
TP4
CR6
R27
C14
R11
QR2
CR2
R9
QR4
C12
CR1
R5
RT1
R14 R6
VREF
C10
TP2
+ 12V
C5
TP5
U3
C18
R19
R4
VIN-
TP6
R17
R7
Q5
D1
C6
R3
C15
R18
GND
OUTB
OUTA
VDD
VERROR
CS
CT
RTC
R12
C16
R13
C17
R15
R19 R20
R23
C22
R25 C20
R21 C19
U2
U4
D2 R24


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for ISL6741 electronic component.


Information Total 28 Pages
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Featured Datasheets

Part NumberDescriptionMFRS
ISL6740The function is Flexible Double Ended Voltage and Current Mode PWM Controllers. Intersil CorporationIntersil Corporation
ISL6740AThe function is Flexible Double-Ended Voltage-Mode PWM Controller. Intersil CorporationIntersil Corporation
ISL6741The function is Flexible Double Ended Voltage and Current Mode PWM Controllers. IntersilIntersil

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