Typical Application; Related Parts - Linear Technology LT4363 Datasheet

LT4363

Typical applicaTion

V
IN
12V
D1
MMBD1205

relaTeD parTs

PART NUMBER DESCRIPTION
LTC1696 Overvoltage Protection Controller
LTC2909 Triple/Dual Inputs UV/OV Negative Monitor
LTC2912/LTC2913 Single/Dual UV/OV Voltage Monitor
LTC2914 Quad UV/OV Monitor
LTC3827/LTC3827-1 Low I , Dual, Synchronous Controller
Q
LTC3835/LTC3835-1 Low I , Synchronous Step-Down Controller
Q
LT3845 Low I , Synchronous Step-Down Controller
Q
LT3850 Dual, 550kHz, 2-Phase Synchronous Step-Down
Controller
LTC3890 Low I , Dual 2-Phase, Synchronous Step-Down
Q
Controller
LT4256-1 Positive 48V Hot Swap Controller with
Open-Circuit Detect
LTC4260 Positive High Voltage Hot Swap Controller with
8-Bit ADC and I
LTC4352 Ideal MOSFET ORing Diode
LTC4354 Negative Voltage Diode-OR Controller
LTC4355 Positive Voltage Diode-OR Controller
LT4356-1 High Voltage Surge Stopper
LTC4364 Surge Stopper with Ideal Diode
LTC4365 Window Passer - OV, UV and Reverse Supply
Protection Controller
24
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 FAX: (408) 434-0507
●
Overvoltage Regulator with Ideal Diode Reverse Voltage Protection
M1
FDB3632
IN GATE OUT
LTC4357 V
DD
D
GND
SMAT70A
–60V TO 75V DC PROTECTION
100V TRANSIENT MAXIMUM
UV = 4.5V
2
C
For more information
www.linear.com/LT4363
●
IRLR2908
10
47nF
V GATE
CC
CLAMP
SHDN
LT4363
127k
UV
49.9k
GND TMR
COMMENTS
ThinSOT™ Package, 2.7V to 27V
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 ≤ V ≤ 36V, 0.8V ≤ V ≤ 10V, 80µA Quiescent Current
IN OUT
Single Channel LTC3827/LTC3827-1
4V ≤ V ≤ 60V, 1.23V ≤ V
IN OUT
Dual 180° Phased Controllers, V
QFN-28, SSOP-28 Packages
4V ≤ V ≤ 60V, 0.8V ≤ V ≤ 24V, 50µA Quiescent Current
IN OUT
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, 0.3µs Turn-Off, 80V Operation
100V Overvoltage and Overcurrent Protection, Latch-Off and Auto-Retry Options
4V to 80V Operation; –40V Reverse Input, –20V Reverse Output Protection
2.5V to 34V Operation, Protects 60V to –40V
www.linear.com/LT4363
10m
OUTPUT
CLAMP
22µF AT 16V
57.6k
SNS OUT
FB
4.99k
V
CC
DC/DC
CONVERTER
ENOUT SHDN
FLT FAULT
GND
4363 TA06
0.1µF
≤ 36V, 120µA Quiescent Current
4V to 24V, 97% Duty Cycle, 4mm × 4mm
IN
LT 0613 REV B • PRINTED IN USA
 LINEAR TECHNOLOGY CORPORATION 2011
4363fb