BD9140MUV-E2 Rohm Semiconductor, BD9140MUV-E2 Datasheet - Page 4

• Manufacturer Part Number: BD9140MUV-E2
• Description: IC SWITCH REG 2A W/FET VQFN020
• Manufacturer: Rohm Semiconductor
• Series: -r
• Type: Step-Down (Buck), PWM - Current Moder

Specifications of BD9140MUV-E2

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 2.5 V ~ 6 V
• Current - Output: 2A
• Frequency - Switching: 500kHz
• Voltage - Input: 4.5 V ~ 13.2 V
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: *
• Package / Case: *
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

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BD9141MUV
V
www.rohm.com
SW
OUT
530
520
510
500
490
480
470
5
Fig.15 SW waveform Io=2000mA
【PWM control
Ta=25℃
6
INPUT VOLTAGE:V
7
Fig.12 V
8
9
CC
-F
10
V
OUT
CC
OSC
[V]
11
=5V】
VCC=8V
Ta=25℃
12
13
V
CC
=PV
=EN
V
V
OUT
CC
I
OUT
OUT
【V
Fig. 16Transient response
Fig.13 Soft start waveform
OUT
Io=0.5A→1A(10μs)
=5V】
4/15
VCC=8V
【V
Ta=25℃
Io=0A
VCC=8V
Ta=25℃
OUT
=5V】
V
SW
OUT
V
I
OUT
OUT
【SLLM control
Fig.14 SW waveform Io=10mA
Fig.17 Transient response
Io=1A→0.5A(10μs)
Technical Note
2009.09 - Rev.B
VOUT=5V】
VCC=8V
Ta=25℃
VCC=8V
Io=0A
Ta=25℃