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LTC1421CSW 数据表(PDF) 2 Page - Linear Technology

部件名 LTC1421CSW
功能描述  Hot Swap Controller
PDF  24 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC1421CSW 数据表(HTML) 2 Page - Linear Technology

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LTC1421/LTC1421-2.5
ABSOLUTE MAXIMUM RATINGS
PACKAGE/ORDER I FOR ATIO
Consult factory for Industrial and Military grade parts.
(Note 1)
Supply Voltage (VCCLO, VCCHI, AUXVCC) .............. 13.2V
Input Voltage (Analog Pins) ..... – 0.3V to (VCCHI + 0.3V)
Input Voltage (Digital Pins) ................... – 0.3V to 13.2V
Output Voltage (Digital Pins) .. – 0.3V to (VCCLO + 0.3V)
Output Voltage (CPON) ......... – 13.2V to (VCCLO + 0.3V)
Output Voltage (VOUTLO, VOUTHI) ........... – 0.3V to 13.2V
Output Voltage (GATELO, GATEHI) ........... – 0.3V to 20V
Operating Temperature Range .................... 0
°C to 70°C
Storage Temperature Range ................ – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300
°C
ORDER PART
NUMBER
TJMAX = 125°C, θJA = 100°C/W (G)
TJMAX = 125°C, θJA = 85°C/W (SW)
1
2
3
4
5
6
7
8
9
10
11
12
TOP VIEW
SW PACKAGE
24-LEAD PLASTIC SO
G PACKAGE
24-LEAD PLASTIC SSOP
24
23
22
21
20
19
18
17
16
15
14
13
CON1
CON2
POR
FAULT
DISABLE
PWRGD
RESET
REF
CPON
RAMP
FB
GND
AUXVCC
VCCLO
SETLO
GATELO
VOUTLO
VCCHI
SETHI
GATEHI
VOUTHI
COMPOUT
COMP –
COMP +
ELECTRICAL CHARACTERISTICS V
CCHI = 12V, VCCLO = 5V, TA = 25°C unless otherwise noted (Note 2).
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
DC Characteristics
ICCLO
VCCLO Supply Current
CON1 = CON2 = GND, POR = VCCLO
q
1.5
3
mA
ICCHI
VCCHI Supply Current
CON1 = CON2 = GND, POR = VCCLO
q
0.6
1
mA
VLKO
Undervoltage Lockout
VCCLO and VCCHI
2.28
2.45
2.60
V
VLKH
Undervoltage Lockout Hysteresis
VCCLO and VCCHI
100
mV
VREF
Reference Output Voltage
No Load
q
1.220
1.232
1.244
V
∆VLNR
Reference Line Regulation
3V
≤ VCCLO ≤ 12V, No Load
q
48
mV
∆VLDR
Reference Load Regulation
IO = 0mA to – 5mA, Sourcing Only
q
13
mV
IRSC
Reference Short-Circuit Current
VREF = 0V
– 45
mA
VCOF
Comparator Offset Voltage
0V
≤ VCM ≤(VCCLO − 1.3V)
q
±10
mV
VCPSR
Comparator Power Supply Rejection
0V
≤ VCM ≤(VCCLO − 1.3V), 3V ≤ VCCLO ≤ 12V
q
1
mV/V
VCHST
Comparator Hysteresis
0V
≤ VCM ≤(VCCLO − 1.3V)
7
mV
VRST
Reset Voltage Threshold (VOUTLO)
FB = VOUTLO
q
2.80
2.90
3.00
V
FB = Floating
q
4.50
4.65
4.75
V
FB = GND
q
5.75
5.88
6.01
V
VRHST
Reset Threshold Hysteresis (VOUTLO)
FB = VOUTLO
7mV
FB = Floating
12
mV
FB = GND
15
mV
RFB
FB Pin Input Resistance
0V
≤ VFB ≤ VCCLO
95
k
Ω
VCB
Circuit Breaker Trip Voltage
VCB = (VCCLO – VSETLO) or VCB = (VCCHI – VSETHI)
q
40
50
60
mV
VTRIP
Output Voltage for Re-Power-Up
LTC1421 (Note 3)
0.1
V
LTC1421-2.5 (Note 4)
2.5
V
LTC1421CG
LTC1421CSW
LTC1421-2.5CG
LTC1421-2.5CSW



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