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BD9150MUV Datasheet(PDF) 3 Page - Rohm

Part # BD9150MUV
Description  Output 1.5A or Less High Efficiency Step-down Switching Regulator with Built-in Power MOSFET
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BD9150MUV Datasheet(HTML) 3 Page - Rohm

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Technical Note
3/16
BD9150MUV
www.rohm.com
2010.04 - Rev.C
○
c
2010 ROHM Co., Ltd. All rights reserved.
●
Block Diagram, Application Circuit
【
BD9150MUV】
Fig.1 BD9150MUV TOP View
Fig.2 BD9150MUV Block Diagram
●
Pin No. & function table
Pin
No.
Pin
name
Function
Pin
No.
Pin
name
Function
1
PGND2
Ch2 Lowside source pin
11
ITH1
Ch1 GmAmp output pin/Connected
phase compensation capacitor
2
PVcc
Highside FET source pin
12
AGND
Ground
3
PVcc
Highside FET source pin
13
N.C.
Non Connection
4
PVcc
Highside FET source pin
14
AVcc
VCC power supply input pin
5
PGND1
Ch1 Lowside source pin
15
ITH2
Ch1 GmAmp output pin/Connected
phase compensation capacitor
6
PGND1
Ch1 Lowside source pin
16
FB2
Ch2 output voltage detect pin
7
SW1
Ch1 Pch/Nch FET drain output pin
17
EN2
Ch2 Enable pin(High Active）
8
SW1
Ch1 Pch/Nch FET drain output pin
18
SW2
Ch2 Pch/Nch FET drain output pin
9
EN1
Ch1 Enable pin(High Active)
19
SW2
Ch2 Pch/Nch FET drain output pin
10
FB1
Ch1 output voltage detect pin
20
PGND2
Ch2 Lowside source pin
(Unit : mm)
2.1
±0.1
C0.2
0.5
1.0
15
6
10
11
15
16
20
4.0
±0.1
0.25
+0.05
-0.04
0.08 S
S
D9150
Lot No.
Current
Sense/
Protect
+
Driver
Logic
Soft
Start1
Slope1
R
S
Q
OSC
VREF
SCP/
TSD
SCP2
Current
Sense/
Protect
+
Driver
Logic
Soft
Start2
Slope2
R
S
Q
SCP1
CLK2
Gm Amp
Current
Comp
Gm Amp
Current
Comp
CLK1
CLK2
UVLO
FB1
EN1
FB2
EN2
PVCC
SW1
PGND2
SW2
AGND
ITH1
ITH2
AGND
AVCC
PVCC
PGND1


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