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LTC1642AIGN 数据表(PDF) 3 Page - Linear Technology

部件名 LTC1642AIGN
功能描述  Hot Swap Controller
PDF  16 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC1642AIGN 数据表(HTML) 3 Page - Linear Technology

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LTC1642A
1642af
VCB
Circuit Breaker Trip Voltage
VCB = (VCC – VSENSE), VFB = GND
●
15
25
36
mV
VCB = (VCC – VSENSE), VFB = 1V
●
45
52.5
60
mV
2.97V
≤ VCC ≤ 16.5V,
VCB = (VCC – VSENSE), VFB = GND
●
12
25
39
mV
VCB = (VCC – VSENSE), VFB = 1V
●
42
52.5
63
mV
ISENSE
SENSE Pin Input Bias Current
VCC = VSENSE = 16.5V
●
0.5
µA
IGATE
GATE Pin Output Current
Charge Pump On, VGATE = GND
●
–20
–25
–30
µA
Charge Pump Off, VGATE = 5V
10
mA
∆VGATE
External N-Channel Gate Drive
VGATE – VCC, VCC = 2.97V
●
4.5
5.9
8.0
V
VGATE – VCC, VCC = 5V
●
10
11.5
14
V
VGATE – VCC, VCC = 15V (0°C to 70°C)
●
6.5
8.5
18
V
VGATE – VCC, VCC = 15V (–40°C to 85°C) ●
6
8.5
18
V
VONHI
ON Pin Threshold
ON Rising
1.30
1.34
1.38
V
VONLO
ON Pin Threshold
ON Falling
●
1.20
1.22
1.26
V
VONHYST
ON Pin Hysteresis
110
mV
ION(IN)
ON Pin Input Current
VON = 5V
●
0
±1
µA
VOL
Output Low Voltage
RESET, FAULT, COMPOUT IOL = 1.54mA ●
0.4
V
RESET, FAULT IO = 5mA
2
V
IPU
Logic Output Pull-Up Current
RESET, FAULT = GND
– 15
µA
VREF
Reference Output Voltage
No Load
●
1.208
1.220
1.232
V
∆VLNR
Reference Supply Variation
2.97V
≤ VCC ≤ 16.5V, No Load
●
515
mV
∆VLDR
Reference Load Regulation
IO = 0mA to –1mA, Sourcing Only
●
2.5
7.5
mV
IRSC
Reference Short-Circuit Current
VREF = 0V
4.5
mA
VCOS
Comparator Offset Voltage
VCM = VREF
●
±10
mV
VCHYST
Comparator Hysteresis
VCM = VREF
3mV
DC ELECTRICAL CHARACTERISTICS
The
● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
VCC = 5V unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
TYPICAL PERFOR A CE CHARACTERISTICS
TEMPERATURE (
°C)
–50
–25
0
25
50
75
100
125
1642a G03
16
14
12
10
8
6
4
2
0
VCC = 12V
VCC = 5V
VCC = 15V
VCC = 3V
∆VGATE vs Temperature
TEMPERATURE (
°C)
–50
–25
0
25
50
75
100
125
1642a G04
30
29
28
27
26
25
24
23
22
21
20
VGATE = 0V
VCC = 3V
VCC = 5V
VCC = 12V
VCC = 15V
IGATE vs Temperature
VCC (V)
3
6
9
12
15
1642a G26
15
12
9
6
3
0
TA = 25°C
∆VGATE vs VCC



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