参数资料
型号: LTC1643HCGN#PBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 电源管理
英文描述: 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16
封装: 0.150 INCH, PLASTIC, SSOP-16
文件页数: 12/16页
文件大小: 278K
代理商: LTC1643HCGN#PBF
5
LTC1643L/LTC1643L-1/LTC1643H
TYPICAL PERFORMANCE CHARACTERISTICS
UW
TEMPERATURE (
°C)
–50
CIRCUIT
BREAKER
TRIP
FILTER
TIME
(
s)
15.50
15.25
15.00
14.75
14.50
14.25
14.00
25
75
1643 G13
–25
0
50
100
125
Circuit Breaker Trip Filter Time
vs Temperature
Timer Threshold Voltage
vs Temperature
TEMPERATURE (
°C)
–50
TIMER
THRESHOLD
VOLTAGE
(V)
1.0
0.9
0.8
0.7
25
75
1643 G14
–25
0
50
100
125
V12VIN – VTIMER
12VIN Supply Current
vs Temperature
TEMPERATURE (
°C)
–50
12V
IN
SUPPLY
CURRENT
(mA)
3.72
3.70
3.68
3.66
3.64
3.62
0
50
75
1643 G15
–25
25
100
125
VEEIN Supply Current
vs Temperature
5VIN Supply Current
vs Temperature
TEMPERATURE (
°C)
–50
V
EEIN
SUPPLY
CURRENT
(mA)
0.90
0.89
0.88
0.87
0.86
0.85
0.84
25
75
1643 G16
–25
0
50
100
125
TEMPERATURE (
°C)
270
268
266
264
262
260
258
256
LT1643 G17
5V
IN
SUPPLY
CURRENT
(
A)
–50
25
75
–25
0
50
100
125
3VIN Supply Current
vs Temperature
TEMPERATURE (
°C)
–50
3V
IN
SUPPLY
CURRENT
(
A)
275.0
272.5
270.0
267.5
265.0
262.5
260.0
25
75
1643 G18
–25
0
50
100
125
VOL vs Temperature
TEMPERATURE (
°C)
–50
V
OL
(mV)
350
300
250
200
150
100
50
25
75
1643 G19
–25
0
50
100
125
I = 3mA
FAULT
PWRGD
TEMPERATURE (
°C)
–50
UNDERVOLTAGE
LOCKOUT
(V)
9.515
9.510
9.505
9.500
9.495
9.490
9.485
25
75
1643 G20
–25
0
50
100
125
12VIN Undervoltage Lockout
vs Temperature
TEMPERATURE (
°C)
–50
UNDERVOLTAGE
LOCKOUT
(V)
2.454
2.452
2.450
2.448
2.446
2.444
2.442
25
75
1643 G21
–25
0
50
100
125
5VIN Undervoltage Lockout
vs Temperature
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