LTC4365
16
4365f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2010
LT 0910 • PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
V
IN
UV
OV
SHDN
OV = 18V
UV = 3.5V
4365 TA02
V
OUT
FAULT
GATE
SI4230 30V
DUAL N-CHANNEL
3.5V TO 18V
INPUT RANGE
V
OUT
PROTECTED
FROM –30V TO 30V
V
IN
12V NOMINAL
V
OUT
GND
LTC4365
510k
4.7μF
CERAMIC
2.2nF
1820k
243k
59k
V
IN
SYNC
V
C
SHDN
V
SW
FB
GND
BOOST
LT1765-3.3
4.7μF
CERAMIC
OUTPUT
3.3V
2.5A
CMDSH-3
UPS120
1.5μH
0.18μF
LTC4365 Protects Step Down Regulator from –30V to 30V V
IN
Faults
PART NUMBER DESCRIPTION COMMENTS
LTC4356 Surge Stopper Overvoltage/Overcurrent
Protection Regulator
Wide Operating Range: 4V to 80V, Reverse Protection to –60V, Adjustable
Output Clamp Voltage
LTC1696 Overvoltage Protection Controller ThinSOT Package, 2.7V to 28V
LTC1735 High Efficiency Synchronous Step-Down
Switching Regulator
Output Fault Protection, 16-Pin SSOP
LTC1778 No R
SENSE
™ Wide Input Range Synchronous
Step-Down Controller
Up to 97% Efficiency, 4V ≤ V
IN
≤ 36V, 0.8V ≤ V
OUT
≤ (0.9)(V
IN
),
I
OUT
Up to 20A
LTC2909 Triple/Dual Inputs UV/OV Negative Monitor Pin Selectable Input Polarity Allows Negative and OV Monitoring
LTC2912/LTC2913 Single/Dual UV/OV Voltage Monitor Ads UV and OV Trip Values, ±1.5% Threshold Accuracy
LTC2914 Quad UV/OV Monitor For Positive and Negative Supplies
LTC3727/LTC3727-1 2-Phase, Dual, Synchronous Controller 4V ≤ V
IN
≤ 36V, 0.8V ≤ V
OUT
≤ 14V
LTC3827/LTC3827-1 Low I
Q
, Dual, Synchronous Controller 4V ≤ V
IN
≤ 36V, 0.8V ≤ V
OUT
≤ 10V, 80μA Quiescent Current
LTC3835/LTC3835-1 Low I
Q
, Synchronous Step-Down Controller Single Channel LTC3827/LTC3827-1
LT3845 Low I
Q
, Synchronous Step-Down Controller 4V ≤ V
IN
≤ 60V, 1.23V ≤ V
OUT
≤ 36V, 120μA Quiescent Current
LT3850 Dual, 550kHz, 2-Phase Synchronous Step-Down
Controller
Dual 180° Phased Controllers, V
IN
4V to 24V, 97% Duty Cycle, 4mm × 4mm
QFN-28, SSOP-28 Packages
LT4256 Positive 48V Hot Swap Controller with
Open-Circuit Detect
Foldback Current Limiting, Open-Circuit and Overcurrent Fault Output, Up to
80V Supply
LTC4260 Positive High Voltage Hot Swap Controller with
ADC and I
2
C
Wide Operating Range 8.5V to 80V
LTC4352 Ideal MOSFET ORing Diode External N-Channel MOSFETs Replace ORing Diodes, 0V to 18V
LTC4354 Negative Voltage Diode-OR Controller Controls Two N-Channel MOSFETs, 1μs Turn-Off, 80V Operation
LTC4355 Positive Voltage Diode-OR Controller Controls Two N-Channel MOSFETs, 0.5μs Turn-Off, 80V Operation
