參數(shù)資料
型號: LTC4227CUFD-1#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: POWER SUPPLY MANAGEMENT CKT, PQCC20
封裝: 4 X 5 MM, PLASTIC, MO-220, QFN-20
文件頁數(shù): 16/20頁
文件大小: 307K
代理商: LTC4227CUFD-1#TRPBF
LTC4227-1/LTC4227-2
5
422712f
Typical perForMance characTerisTics
Diode Gate Voltage vs Current
Hot Swap Gate Voltage vs Current
OUT Current vs Voltage
Circuit Breaker Trip Voltage
vs Temperature
Active Current Limit Sense
Voltage vs Temperature
Active Current Limit Delay
vs Sense Voltage
IN Supply Current vs Voltage
INTVCC Load Regulation
CPO Voltage vs Current
TA = 25°C, VIN = 12V, unless otherwise noted.
VIN (V)
0
I IN
(mA)
1
2
3
4
3
6
9
12
422712 G01
15
18
ILOAD (mA)
0
INTV
CC
(V)
1
2
3
4
5
6
–2
–4
–6
–8
422712 G02
–10
VIN = 12V
VIN = 3.3V
ICPO (A)
0
12
10
8
6
4
2
0
–2
–60
–100
422712 G03
–20
–40
–80
–120
V CPO
V
IN
(V
CPO
)(V)
VIN = 18V
VIN = 2.9V
IDGATE (A)
0
12
10
8
6
4
2
0
–2
–60
–100
422712 G04
–20
–40
–80
–120
V DGA
TE
V
IN
(V
DGA
TE
)(V)
VIN = 18V
VIN = 2.9V
VSENSE+ = VIN – 0.1V
IHGATE (A)
0
14
12
10
8
6
4
2
0
–6
–10
422712 G05
–2
–4
–8
–12
GA
TE
DRIVE
(
V HGA
TE
)(V)
VIN = 12V
VOUT = VIN
VIN = 2.9V
TEMPERATURE (°C)
–50
48
CIRCUIT
BREAKER
TRIP
VOLTAGE
(mV)
49
50
51
52
–25
0
25
50
422712 G07
75
100
TEMPERATURE (°C)
–50
63
ACTIVE
CURRENT
LIMIT
SENSE
VOLTAGE
(mV)
64
65
66
67
–25
0
25
50
422712 G08
75
100
SENSE VOLTAGE (VSENSE+ – VSENSE–) (mV)
50
0.1
ACTIVE
CURRENT
LIMIT
DELA
Y(s)
10
100
150
200
250
300
422712 G09
1
CHGATE = 10nF
VOUT (V)
0
2.0
1.6
1.2
0.8
0.4
0
–0.4
9
15
422712 G06
3
6
12
18
I OUT
(mA)
VIN = 12V
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