參數(shù)資料
型號(hào): LTC3125EDCB#TRMPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, 1900 kHz SWITCHING FREQ-MAX, PDSO8
封裝: 3 X 2 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, DFN-8
文件頁數(shù): 4/16頁
文件大?。?/td> 292K
代理商: LTC3125EDCB#TRMPBF
LTC3125
12
3125f
PC Card or CompactFlash (3.3V/500mA Maximum) 4.5V Output, GSM Pulsed Load
CS
2.2μH*
LTC3125
GND
VIN
2.74M
2200μF**
2
55mΩ
TANT
10μF
CER
VOUT
4.5V, 2A PULSED LOAD
(577μs PW, 4.6ms PERIOD)
VIN
PC CARD VCC
3.3V ±10%
500mA MAX
1M
*COILTRONICS SD3118-2R2-R
**VISHAY 592D228X6R3X220H
3125 TA02a
SHDN
PROG
VOUT
FB
44.2k
SW
OFF ON
PC Card (3.3V/1000mA Maximum) 4.5V Output, GSM Pulsed Load
CS
2.7μH*
LTC3125
GND
VIN
2.74M
2200μF**
2
55mΩ
TANT
10μF
CER
VOUT
4.5V, 2A PULSED LOAD
(577μs PW, 4.6ms PERIOD)
VIN
PC CARD VCC
3.3V ±10%
1000mA MAX
1M
3125 TA03a
SHDN
PROG
VOUT
FB
22.6k
SW
OFF ON
*WURTH 7440420027
**VISHAY 592D228X6R3X220H
Waveforms of Input Current, VOUT for Pulsed Load Current
TYPICAL APPLICATIONS
Waveforms of Input Current, VOUT for Pulsed Load Current
VOUT
100mV/DIV
INPUT CURRENT
200mA/DIV
LOAD CURRENT
2A/DIV
1ms/DIV
VIN = 3.3V
VOUT = 4.5V
COUT = 4.4mF
L = 2.2μH
RPROG = 44.2k
3125 TA02b
VOUT
100mV/DIV
INPUT CURRENT
500mA/DIV
LOAD CURRENT
2A/DIV
1ms/DIV
VIN = 3.3V
VOUT = 4.5V
COUT = 4.4mF
L = 2.7μH
RPROG = 22.6k
3125 TA03b
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