BD2202G(2009) 查看數據表（PDF） - ROHM Semiconductor

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BD2202G
(Rev.:2009)

1ch Small Current Output Power Management Switch ICs

ROHM Semiconductor 

BD2202G,BD2206G

Waveform data

Technical Note

VOUT

(1/div.)

V/EN

(1/div.)

VIN=3.3V

RL=500Ω

CL=0.1uF

TIME (0.5div.)

Fig.28 Output turn on response

VOUT

(1/div.)

V/EN

(1/div.)

VIN=3.3V

RL=500

CL=0.1

TIME (0.5div.)

Fig.29 Output turn off response

IOUT

(0.1A/div.)

VOUT

(1V/div.)

VIN=3.3V

CIN=10uF

CL=0.1uF

VEN

(1V/div.)

TIME (2ms/div.)

Fig.30 Current limit response

Enable into short circuit

(BD2202G)

IOUT

(0.2A/div.)

VOUT

(1V/div.)

VIN=3.3V

CIN=10uF

CL=0.1uF

VEN

(1V/div.)

TIME (2ms/div.)

Fig.31 Current limit response

Enable into short circuit

(BD2206G)

IOUT

(0.2A/div.)

IOUT

(0.2A/div.)

VOUT

(1V/div.)

VIN=3.3V

CIN=10uF

CL=0.1uF

TIME (2ms/div.)

Fig.32 Current limit response

Output shorted to GND

(BD2202G)

VOUT

(1V/div.)

VIN=3.3V

CIN=10uF

CL=0.1uF

TIME (2ms/div.)

Fig.33 Current limit response

Output shorted to GND

(BD2206G)

IOUT

(0.1A/div.)

VOUT

(1V/div.)

VIN=3.3V

CIN=10uF

CL=0.1uF

TIME (5ms/div.)

Fig.34 Current limit response

Ramped load (1A/10ms)

(BD2202G)

IOUT

(0.2A/div.)

VOUT

(1V/div.)

VIN=3.3V

CIN=10uF

CL=0.1uF

TIME (5ms/div.)

Fig.35 Current limit response

Ramped load (1A/10ms)

(BD2206G)

VIN

(1V/div.)

VOUT

(1V/div.)

IOUT

(10mA/div.)

RL=500Ω

CL=0.1uF

TIME (5ms/div.)

Fig.36 UVLO VIN rising

VIN

(1V/div.)

VOUT

(1V/div.)

IOUT

(10mA/div.)

RL=500Ω

CL=0.1uF

TIME (500ms/div.)

Fig.37 UVLO VIN falling

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6/12

2009.05 - Rev.A

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