LT4356-3 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LT4356-3' PDF : 24 Pages View PDF
LT4356-3
TYPICAL APPLICATION
Overvoltage Regulator with Linear Regulator Up to 100mA
VIN
12V
D2*
SMAJ58A
Q2
2N2905A
RSNS
10mΩ
Q1
IRLR2908
R6
100k
5
SNS
6 VCC
R3
10Ω
4
GATE
3
OUT
FB 2
11 AOUT
7 SHDN
*DIODES INC.
LT4356DE-3
IN+ 12
FLT 8
GND
10
EN 9
TMR
1
43563 TA04
CTMR
0.1µF
R1
59k
R2
4.99k
R4
249k
R5
249k
2.5V, 100mA
C5
10µF
VOUT
12V, 3A
CLAMPED AT 16V
C3
47nF
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COMMENTS
Active Current Limiting, Supplies From 9V to 80V
ThinSOT™ Package, 2.7V to 28V
Output Fault Protection, 16-Pin SSOP
Up to 97% Efficiency, 4V ≤ VIN ≤ 36V, 0.8V ≤ VOUT ≤ (0.9)(VIN),
IOUT Up to 20A
Pin Selectable Input Polarity Allows Negative and OV Monitoring
Ads UV and OV Trip Values, ±1.5% Threshold Accuracy
For Positive and Negative Supplies
4V ≤ VIN ≤ 36V, 0.8V ≤ VOUT ≤ 14V
4V ≤ VIN ≤ 36V, 0.8V ≤ VOUT ≤ 10V, 80µA Quiescent Current
Single Channel LTC3827/LTC3827-1
4V ≤ VIN ≤ 60V, 1.23V ≤ VOUT ≤ 36V, 120µA Quiescent Current
Dual 180° Phased Controllers, VIN 4V to 24V, 97% Duty Cycle, 4mm × 4mm
QFN-28, SSOP-28 Packages
Foldback Current Limiting, Open-Circuit and Overcurrent Fault Output, Up to
80V Supply
Wide Operating Range 8.5V to 80V
External N-channel MOSFETs Replace ORing Diodes, 0V to 18V
Controls Two N-channel MOSFETs, 1µs Turn-Off, 80V Operation
Controls Two N-channel MOSFETs, 0.5µs Turn-Off, 80V Operation
24 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 l FAX: (408) 434-0507 l www.linear.com
43563fb
LT 0812 REV B • PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 2009
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