參數(shù)資料
型號: LTC3226EUD#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: SWITCHED CAPACITOR REGULATOR, PQCC16
封裝: 3 X 3 MM, LEAD FREE, PLASTIC, MO-220WEED-2, QFN-16
文件頁數(shù): 12/16頁
文件大?。?/td> 431K
代理商: LTC3226EUD#TRPBF
LTC3226
5
3226f
TYPICAL PERFORMANCE CHARACTERISTICS
LDO Output Transient Step
Response Waveform
Charge Pump Oscillator Frequency
vs VCPO and Temperature
Charge Pump Input Current
vs CPO Output Voltage
Charge Pump Charging Current
vs CPO Output Voltage
Charge Pump Input Current
vs VIN with CPO Grounded
LDO Load Regulation
LDO Supply Regulation
LDO Regulation Voltage
vs Temperature
LDO FET On-Resistance
vs CPO Voltage and Temperature
CPO VOLTAGE (V)
3.6
FREQUENCY
(kHz)
860
880
900
940
4.0
4.4
4.6
3226 G06
840
960
980
920
3.8
4.2
4.8
5.0
VIN = 3.3V
T = –45°C
T = 90°C
T = 25°C
CPO VOLTAGE (V)
0
INPUT
CURRENT
LIMIT
(mA)
150
200
250
3
5
3226 G07
100
50
0
1
2
4
300
350
400
RPROG = 33.3k
RPROG = 100k
RPROG = 50k
1x MODE
VIN = 3.8V
2x MODE
CPO VOLTAGE (V)
0
CPO
CHARGE
CURRENT
(mA)
150
200
250
3
5
3226 G08
100
50
0
1
2
4
300
350
400
RPROG = 33.3k
RPROG = 100k
RPROG = 50k
1x MODE
VIN = 3.8V
2x MODE
VIN (V)
3.3
I IN
(mA)
340
360
3.6
3.9
4.2
4.5
3226 G09
4.8
380
400
330
350
370
390
5.1
90°C
25°C
–45°C
RPROG = 33.2k
VCPO = 0V
IOUT (A)
3.280
V OUT
(V)
3.290
3.300
3.275
3.285
3.295
0.001
0.1
1
10
3226 G01
3.270
0.01
CPO = 4V
VOUT SET TO 3.3V
CPO VOLTAGE (V)
3.4
3.280
LDO
OUTPUT
VOLTAGE
(V)
3.285
3.295
3.300
3.305
3.6
4.4
4.8
3226 G02
3.290
3.310
4.2
5.2
3.8 4.0
4.6
5.0
IOUT = 10A
VOUT SET TO 3.3V
TEMPERATURE (°C)
–45
V OUT
(V)
3.305
3.315
115
3226 G03
3.295
3.285
–5
35
75
–25
15
55
95
3.325
3.300
3.310
3.290
3.320
VCPO = 5V
IOUT = 1mA
CPO VOLTAGE (V)
2.2
350
300
250
200
150
100
50
0
3.7
4.7
3226 G04
2.7
3.2
4.2
5.2
R
DS(ON)
(m)
T = 90°C
T = –40°C
T = 25°C
LOAD = 500mA
VOUT
50mV/DIV
AC-COUPLED
1000mA
IOUT
500s/DIV
3226 G05
500mA
TA = 25°C, unless otherwise noted.
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