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ROHM Semiconductor - Power Supply Selector Switch IC

Numéro de référence BD2204GUL
Description Power Supply Selector Switch IC
Fabricant ROHM Semiconductor 
Logo ROHM Semiconductor 





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BD2204GUL fiche technique
Datasheet
Power Supply Selector Switch IC
for SD Cards
BD2204GUL
General Description
BD2204GUL is high side switch IC that has built-in 2
circuits of MOSFET. Switch has achieved 120mΩ(Typ)
on-resistance. 3.3V power supply and 1.8V power
supply for memory card can be selected by SEL terminal.
Moreover, it has built-in simultaneous-on prevention
function at power switching, reverse-current protection
function to prevent reverse-current from output terminal
to input terminal at power-off, and discharge circuit to
discharge electricity in output terminal.
Features
Dual channel of low on resistance (Typ = 120mΩ)
N-channel MOSFET built in.
3.3V and 1.8V are chosen and an output is possible.
0.5A Continuous Current load.
Reverse-current protection when power switch off.
Prevent VIN1 and VIN2 from simultaneous-on.
Output Discharge Circuit
Thermal Shutdown
Active-High Control Logic
VCSP50L1 package
Applications
Digital cameras
Digital video camera
SD cards slot
Key Specifications
Input voltage range:
ON resistance:
Operating current:
Standby current:
Operating temperature range:
VIN1=2.7 to 4.5V
VIN2=1.2 to 2.4V
120mΩ(Typ)
25μA(Typ)
0.01μA(Typ)
-40 to +85 °C
Package
VCSP50L1
W(Typ) x D(Typ) x H(Max)
1.50mm x 1.00mm x 0.55mm
VCSP50L1
Typical Application Circuit
3.3V
0.1μF
1.8V
VIN1 VOUT
VIN2
GND
EN SEL
LOAD
CL
Figure 1. Typical application circuit
Product structure : Silicon monolithic integrated circuit
.www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111 14 001
This product has no designed protection against radioactive rays
1/23
TSZ02201-0GDG0H300050-1-2
25.Sep.2015 Rev.003

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