LTC4253IGN Linear Technology, LTC4253IGN Datasheet - Page 34

• Manufacturer Part Number: LTC4253IGN
• Description: IC HOT SWAP CONTRLR -48V 16-SSOP
• Manufacturer: Linear Technology
• Type: Hot-Swap Controllerr

Specifications of LTC4253IGN

• Applications: General Purpose
• Internal Switch(s): No
• Voltage - Supply: 11.2 V ~ 14.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP (0.150", 3.90mm Width)
• Family Name: LTC4253
• Package Type: SSOP N
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Product Depth (mm): 3.99mm
• Product Height (mm): 1.5mm
• Mounting: Surface Mount
• Pin Count: 16
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

LTC4253/LTC4253A
Typical applicaTion
relaTeD parTs
PART NUMBER
LT1640AH/LT1640AL
LT1641-1/LT1641-2
LTC1642A
LT4250
LTC4251/LTC4251-1/
LTC4251-2
LTC4252-1/LTC4252-2
LTC4252A-1/LTC4252A-2
34
RESET
(LONG PIN)
– 48V RTN
(LONG PIN)
– 48V RTN
(SHORT PIN)
– 48V
(LONG PIN)
Figure 17. –48V/2.5A Application with Foldback Current Limiting and Transistor Enabled Sequencing without Feedback
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
30.1k
392k
1%
1%
R2
R1
R8
47k
●
DESCRIPTION
Negative High Voltage Hot Swap Controllers in SO-8
Positive High Voltage Hot Swap Controllers in SO-8
Fault Protected Hot Swap Controller
–48V Hot Swap Controller
–48V Hot Swap Controllers in SOT-23
–48V Hot Swap Controllers in MS8/MS10
FAX: [phone]
C1
10nF
0.1µF
C
C
20k(1/4W)/2
SS
SQ
33nF
C
1µF
R
10k
OV
UV
RESET
SS
SQTIMER
TIMER
T
IN
V
IN
LTC4253A
●
EN2 EN3
V
www.linear.com
EE
PWRGD1
PWRGD2
PWRGD3
SENSE
DRAIN
GATE
DDZ13B*
D
IN
V
IN
††
C
1µF
IN
3.3M
R
D
R5
100k
†
R3
38.3k
10nF
22
COMMENTS
Negative High Voltage Supplies from –10V to –80V
Supplies from 9V to 80V, Autoretry/Latched Off
3V to 16.5V, Overvoltage Protection up to 33V
Active Current Limiting, Supplies from –20V to –80V
Fast Active Current Limiting, Supplies from –15V
Fast Active Current Limiting, Supplies from –15V, Drain
Accelerated Response, 1% Accurate UV/OV Thresholds
R4
C
R6
100k
C
†
R
10
C
R7
100k
†
+
Q1
IRF530S
R
0.02
S
0.1µF
C2
100µF
C3
*DIODES, INC.
†
††
FMMT493
RECOMMENDED FOR HARSH ENVIRONMENTS.
 LINEAR TECHNOLOGY CORPORA TION 2002
MODULE 1
EN
POWER
V
OUT
LT 0211 REV D • PRINTED IN USA
MODULE 2
EN
POWER
MODULE 3
EN
4253 F17
POWER
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