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PDF BD2204GUL Data sheet ( Hoja de datos )
| Número de pieza | BD2204GUL | |
| Descripción | Power Supply Selector Switch IC | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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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
〇Product structure : Silicon monolithic integrated circuit
.www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111 • 14 • 001
〇This product has no designed protection against radioactive rays
1/23
TSZ02201-0GDG0H300050-1-2
25.Sep.2015 Rev.003
1 page  
BD2204GUL
Typical Performance Curves
100
Ta=25°C
80
60
40
20
0
234
SUPPLY VOLTAGE : VIN1[V]
Figure 6. Operating current1
EN Enable
5
100
Ta=25°C
80
60
40
20
0
234
SUPPLY VOLTAGE : VIN1[V]
Figure 8. Operating current2
EN Enable
5
100
VIN1=3.3V
VIN2=1.8V
80
60
40
20
0
-50
0 50
AMBIENT TEMPERATURE : Ta[°C]
Figure 7. Operating current1
EN Enable
100
100
VIN1=3.3V
VIN2=1.8V
80
60
40
20
0
-50
0 50
AMBIENT TEMPERATURE : Ta[°C]
Figure 9. Operating current2
EN Enable
100
.www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111 • 15 • 001
5/23
TSZ02201-0GDG0H300050-1-2
25.Sep.2015 Rev.003
5 Page 
BD2204GUL
Typical Performance Curves - continued
200
Ta=25°C
160
120
80
40
0
2345
SUPPLY VOLTAGE : VIN1[V]
Figure 30. Discharge resistance
200
VIN1=3.3V
VIN2=1.8V
160
120
80
40
0
-50
0 50
AMBIENT TEMPERATURE : Ta[°C]
Figure 31. Discharge resistance
100
30
Ta=25°C
25
20
15
10
5
0
234
SUPPLY VOLTAGE : VIN1[V]
Figure 32. Discharge current
5
30
VIN1=3.3V
VIN2=1.8V
25
20
15
10
5
0
-50
0 50
AMBIENT TEMPERATURE : Ta[°C]
Figure 33. Discharge current
100
.www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111 • 15 • 001
11/23
TSZ02201-0GDG0H300050-1-2
25.Sep.2015 Rev.003
11 Page | ||
| Páginas | Total 27 Páginas | |
| PDF Descargar | [ Datasheet BD2204GUL.PDF ] | |
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