BD4156MUV_09 ROHM [Rohm], BD4156MUV_09 Datasheet - Page 6

• Manufacturer Part Number: BD4156MUV_09
• Description: Power Switch for ExpressCardTM
• Manufacturer: ROHM [Rohm]

●BLOCK DIAGRAM
●PHYSICAL DIMENSIONS
○
BD4156MUV
c
www.rohm.com
2009 ROHM Co., Ltd. All rights reserved.
VQFN020V4040 Package (Unit:mm)
C0.2
1.0
1.5V
3.3V
0.08 S
3.3V
20
16
0.5
15
2.1±0.1
4.0±0.1
1
D4156
V3AUX_IN
CPUSB#
V15_IN
V15_IN
CPPE#
V3_IN
V3_IN
SYSR
5
11
0.25
EN
6
10
17
12
14
10
20
4
1
2
9
+0.05
Lot No.
-0.04
V3AUX_IN
S
V3AUX_IN
Reference
Charge
Pump
Block
Input
logic
protection
Thermal
VD
V3AUX_IN
●PIN FUNCTION
TSD,CL,UVLO_AUX
TSD,CL,UVLO
TSD,CL,UVLO
V15_IN
V3_IN
PIN No
VD
VD
VD
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
TSD
6/23
V3_IN,V3AUX_IN,V15_IN
V3,V3AUX,V15
voltage
lock out
Under
EN,SYSR,CPUSB#,CPPE#
PERST_IN#
PIN NAME
V3AUX_IN
RCLKEN
PERST#
CPUSB#
CPPE#
V15_IN
V15_IN
V3AUX
SYSR
V3_IN
V3_IN
TEST
GND
N.C.
V15
V15
EN
V3
V3
UVLO
UVLO_AUX
Power
good
Logic input pin
V3 input pin
V3 output pin
V3 input pin
V3 output pin
PERST# control input pin (SysReset#)
GND pin
Logic output pin
Logic input pin
Logic input pin
V15 output pin
V15 input pin
V15 output pin
V15 input pin
V3AUX output pin
Test pin
V3AUX input pin 1
Reference clock enable signal /
Power good signal (No delay)
Must be open or GND.
Enable input pin
V3AUX_IN
GND
7
CL
PIN FUNCTION
15
11
13
18
3
5
8
6
V3
V3AUX
3.3V AUX/275mA
V15
V15
V3
RCLKEN
PERST#
PERST_IN#
1.5V/625mA
3.3V/1.30A
Technical Note
2009.05 - Rev.A