R1211D002D 查看數據表（PDF） - RICOH Co.,Ltd.
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产品描述 (功能)
比赛名单
R1211D002D Datasheet PDF : 40 Pages
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R1211x
∗UVLO Detector Threshold/
Hysteresis Range Test
VIN
EXT
CE
VFB
GND DELAY
OSCILLOSCOPE
∗ CE "L" Input Current/"H" Input Current Test
6V
VIN
CE
A
VFB
0V/6V
GND DELAY
∗CE "L" Input Voltage/"H" Input Voltage Test
2.5V/6V
VIN
EXT
CE
VFB
GND DELAY
OSCILLOSCOPE
∗Soft-start Time Test
C5
C3
Coil
VIN
EXT
CE
VFB
GND DELAY
Diode
NMOS
C1
0V/3.3V
R3
VOUT
C2 OSCILLOSCOPE
Rout
R1
R2
<Components>
Inductor (L)
Diode (SD)
Capacitors
NMOS Transistor
Resistors
: 22µH (TDK LDR655312T-220)
: CRS02 (Toshiba)
C1 : 680pF (Ceramic), C2: 22µF (Tantalum)+2.2µF (Ceramic),
C3 : 68µF (Tantalum)+2.2µF (Ceramic), C5: 22µF (Tantalum)
: IRF7601 (International Rectifier)
: R1: 90kΩ, R2: 10kΩ, R3: 30kΩ
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