BD9134MUV_0909 Datasheet, PDF (5/18 Pages) Rohm – Output 2A or More High-efficiency Step-down Switching Regulator with Built-in Power MOSFET

BD9134MUV
●Characteristics data
Technical Note
1.1
1
0.9
0.8
0.7
4.5
Ta=25℃
4.75
5
5.25
5.5
INPUT VOLTAGE:VCC[V]
Fig.12 Vcc - Fosc
【VOUT=3.3V】
VCC=PVCC
=EN
【SLLM^TM
SW
VOUT=3.3V】
VOUT
VCC=5V
Ta=25℃
Io=0A
VOUT
VCC=5V
Ta=25℃
Fig.13 Soft start waveform
Fig.14 SW waveform Io=10mA
【PWM VOUT=3.3V】
SW
VOUT
【VOUT=3.3V】
VOUT
【VOUT=3.3V】
VOUT
VCC=5V
Ta=25℃
Fig.15 SW waveform Io=3A
IOUT
IOUT
VCC=5V
Ta=25℃
VCC=5V
Ta=25℃
Fig. 16 Transient Response
Io=1→3A(10μs)
Fig.17 Transient Response
Io=3→1A(10μs)
www.rohm.com
○^c 2009 ROHM Co., Ltd. All rights reserved.
5/17
2009.09 - Rev.B