BD8964FVM(2009) 查看數據表（PDF） - ROHM Semiconductor

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BD8964FVM
(Rev.:2009)

Low Noise High Efficiency Step-down Switching Regulator with Built-in Power MOSFET

ROHM Semiconductor 

BD8964FVM

Technical Note

1.2

1.1

1

0.9

0.8

4

4.5

5

5.5

INPUT VOLTAGE:VCC[V]

Fig.12 Vcc-Fosc

VCC=PVCC

=EN

VOUT

【VOUT=1.5V】

VCC=5V

Ta=25℃

Io=0A

Fig.13 Soft start waveform

【SLLMTM

SW

VOUT=1.5V】

VOUT

VCC=5V

Ta=25℃

Fig.14 SW waveform

VOUT

【VOUT=1.5V】

58mV

IOUT

VCC=5V

Ta=25℃

Fig. 15 Transient response

Io=100→600mA(10μs)

VOUT

【VOUT=1.5V】

62mV

IOUT

VCC=5V

Ta=25℃

Fig.16 Transient response

Io=600→100mA(10μs)

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4/13

2009.05 - Rev.A

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