LT4256-2IS8 Linear Technology, LT4256-2IS8 Datasheet - Page 16

• Manufacturer Part Number: LT4256-2IS8
• Description: IC CTRLR HOTSWAP HV AUTO 8SOIC
• Manufacturer: Linear Technology
• Type: Hot-Swap Controllerr

Specifications of LT4256-2IS8

• Applications: General Purpose
• Internal Switch(s): No
• Voltage - Supply: 10.8 V ~ 80 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Family Name: LT4256-2
• Package Type: SOIC N
• Operating Supply Voltage (min): 10.8V
• Operating Supply Voltage (max): 80V
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Product Depth (mm): 3.99mm
• Product Height (mm): 1.5mm
• Product Length (mm): 5mm
• Mounting: Surface Mount
• Pin Count: 8
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

APPLICATIO S I FOR ATIO
LT4256-1/LT4256-2
RELATED PARTS
16
PART NUMBER
LT1641-1/LT1641-2
LTC4211
LTC4251
LTC4252-1/LTC4252-2 – 48V Hot Swap Controller in MSOP
LTC4253
LT4254
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
Positive 48V Hot Swap Controller in SO-8
Single Hot Swap Controller with Multifunction Current Control 2.5V to 16.5V, Active Inrush Limiting, Dual Level Cicuit Breaker
– 48V Hot Swap Controller in SOT-23
– 48V Hot Swap Controller and Supply Sequencer
Positive High Voltage Hot Swap Controller
U
●
GND
V
FAX: [phone]
IN
U
(SHORT PIN)
0.1µF
C3
Figure 15. High dV/dT MOSFET Turn-On Protection Circuit
W
●
SMAT70A
www.linear.com
R1
64.9k
R2
8.06k
D2
C2
33nF
U
1
5
UV
TIMER
V
LT4256-1/
CC
LT4256-2
8
0.033Ω
GND
R5
4
SENSE
PWRGD
GATE
7
FB
6
2
3
IRF530
UV = 36V
PWRGD = 40V
Q1
Fast Circuit Breaker
Power Good Output
Enables Three DC/DC Converters
10.8V to 36V, Open-Circuit Detection
COMMENTS
9V to 80V Operation, Active Current Limit, Autoretry/Latchoff
Floating Supply from –15V, Active Current Limiting,
Floating Supply from –15V, Active Current Limiting,
Floating Supply from –15V, Active Current Limiting,
R7
100Ω
R6
10Ω
C1
10nF
D1
CMPZ5241B
11V
D3
1N4148W
R9
4.02k
R8
36.5k
4256 TA03
© LINEAR TECHNOLOGY CORPORATION 2004
R4
27k
LT/LWI/LT 0705 REV A • PRINTED IN USA
C
100µF
L
V
OUT
425612fa