DC1555A Linear Technology, DC1555A Datasheet - Page 16

• Manufacturer Part Number: DC1555A
• Description: LTC4365 High Voltage UV, OV And Reverse Supply Protection Controller
• Manufacturer: Linear Technology
• Series: -r

Specifications of DC1555A

• Design Resources: DC1555 Design Files DC1555A Schematic
• Main Purpose: Power Management, Voltage Protection, Over, Under
• Embedded: No
• Utilized Ic / Part: LTC4365
• Primary Attributes: -
• Secondary Attributes: -
• Kit Application Type: Power Management
• Application Sub Type: Overvoltage Protection
• Features: Board Intended To Demonstrate Performance Of The LTC4365 High Voltage, Undervoltage Controller
• Lead Free Status / Rohs Status: Not applicable / Not applicable

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