LTC4253AIUF-ADJ#TRPBF Linear Technology, LTC4253AIUF-ADJ#TRPBF Datasheet - Page 7
![IC HOT SWAP CONTRLR -48V 20-QFN](/photos/6/90/69013/20_qfn_4mmx4mm_sml.jpg)
LTC4253AIUF-ADJ#TRPBF
Manufacturer Part Number
LTC4253AIUF-ADJ#TRPBF
Description
IC HOT SWAP CONTRLR -48V 20-QFN
Manufacturer
Linear Technology
Type
Hot-Swap Controllerr
Datasheet
1.LTC4253ACGN-ADJPBF.pdf
(32 pages)
Specifications of LTC4253AIUF-ADJ#TRPBF
Applications
General Purpose
Internal Switch(s)
No
Voltage - Supply
8.2 V ~ 14.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
20-WFQFN Exposed Pad
Family Name
LTC4253A-ADJ
Package Type
QFN EP
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Operating Temperature Classification
Industrial
Product Depth (mm)
4mm
Product Length (mm)
4mm
Mounting
Surface Mount
Pin Count
20
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
TYPICAL PERFOR A CE CHARACTERISTICS
7.0
6.8
6.6
6.4
6.2
6.0
5.8
5.6
5.4
5.2
5.0
9.0
8.8
8.6
8.4
8.2
8.0
7.8
7.6
7.4
7.2
7.0
60
58
56
54
52
50
48
46
44
42
40
–50
–50
–50
∆I
I
V
I
I
PGH
I
I
V
IN
IN
DRN
IN
DRNCL
TMRACC
PWRGD
= 2mA
= 2mA
–25
= 2mA
–25
–25
= 50µA
vs Temperature
= 0V
vs Temperature
/∆I
0
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
DRN
25
25
25
vs Temperature
50
50
50
75
75
75
W
100
100
100
4253A G25
4253A G22
4253A G28
125
125
125
U
0.00000001
0.0000001
0.00001
0.0001
0.001
0.01
200
190
180
170
160
150
140
130
120
110
100
4.5
4.0
3.5
3.0
2.5
2.0
1.0
1.5
0.5
100
0.1
10
0
1
–50
–50
1
SQTIMER Threshold
vs Temperature
I
t
I
DRN
SS
I
SS PIN FLOATING
V
I
IN
IN
IN
SS
= 2mA
= 2mA
= 2mA
–25
vs Temperature
–25
RAMPS FROM 0.2V TO 1.25V
2
vs V
4
DRAIN
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
6
V
V
V
25
25
SQTMRH
DRAIN
SQTMRL
8
50
50
(V)
10
75
75
T
T
T
T
12
A
A
A
A
= 125°C
= 85°C
= 25°C
= –40°C
100
100
4253A G23
4253A G26
14
4253A G29
125
125
16
2.30
2.60
2.55
2.50
2.45
2.40
2.35
2.25
2.20
300
290
280
270
260
250
240
230
220
210
200
2.2
2.0
1.5
1.0
0.5
0
–50
–50 –25
–50
V
LTC4253A-ADJ
t
V
I IN = 2mA
I
SQ
I
SQTMR PIN FLOATING
V
DRNL
IN
IN
PGL
SQTMR
= 2mA
–25
= 2mA
–25
vs Temperature
vs Temperature
vs Temperature
RAMPS FROM 0.5V TO 3.5V
0
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
25
I
I
I
PG
PG
PG
= 1.6mA
= 10mA
= 5mA
50
50
50
75
75
75
100
100
100
4253a-adjf
4253A G30
4253A G24
4253A G27
7
125
125
125