參數(shù)資料
型號(hào): LTC4274AIUHF-4#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: POWER SUPPLY MANAGEMENT CKT, PQCC38
封裝: 7 X 5 MM, LEAD FREE, PLASTIC, MO-220WHKD, QFN-38
文件頁數(shù): 28/28頁
文件大?。?/td> 313K
代理商: LTC4274AIUHF-4#TRPBF
LTC4274A/LTC4274C
9
4274acf
typicAl perForMAnce chArActeristics
ADC Noise Histogram
Current Readback in Slow Mode
ADC Integral Nonlinearity
Current Readback in Slow Mode
ADC Noise Histogram Port
Voltage Readback in Fast Mode
ADC Integral Nonlinearity
Voltage Readback in Fast Mode
ADC Noise Histogram Port
Voltage Readback in Slow Mode
ADC Integral Nonlinearity
Voltage Readback in Slow Mode
INTandSDAOUTPull-DownVoltage
vs Load Current
MOSFET Gate Drive with Fast
Pull-Down
ADC OUTPUT
0
B IN
COUNT
300
250
200
150
100
50
6139
6141
4274AC G17
6143
6145
6147
VSENSE – VEE = 110.4mV
CURRENT SENSE RESISTOR INPUT VOLTAGE (mV)
0
ADC
INTEGRAL
NONLINEARIT
Y(LSBs)
0
0.5
400
4274AC G18
–0.5
–1.0
100
200 250
500
1.0
300
50
150
450
350
ADC OUTPUT
260
0
B IN
COUNT
600
500
400
300
200
100
262
261
263
4274AC G19
264
265
AGND – VOUT = 48.3V
PORT VOLTAGE (V)
0
ADC
INTEGRAL
NONLINEARIT
Y(LSBs)
0
0.5
50
4274AC G20
–0.5
–1.0
20
30
60
1.0
40
10
ADC OUTPUT
8532
0
B IN
COUNT
600
500
400
300
200
100
8534
8533
8535
4274AC G21
8536
AGND – VOUT = 48.3V
PORT VOLTAGE (V)
0
ADC
INTEGRAL
NONLINEARIT
Y(LSBs)
0
0.5
50
4274AC G22
–0.5
–1.0
20
30
60
1.0
40
10
LOAD CURRENT (mA)
0
PULL-DOWN
VOL
TAGE
(V)
3
2.5
2
1.5
1
0.5
10
5
15
4274AC G23
20
25
30
35
40
100s/DIV
GND
0mA
4274AC G24
VEE
PORT
CURRENT
500mA/DIV
GATE
VOLTAGE
10V/DIV
PORT
VOLTAGE
20V/DIV
CURRENT LIMIT
50 FAULT REMOVED
50
FAULT
APPLIED
VDD = 3.3V
VEE = –54V
FAST PULL-DOWN
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