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PDF BL2556 Data sheet ( Hoja de datos )

Número de pieza BL2556
Descripción 1A USB Load Current Switch
Fabricantes BELLING 
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No Preview Available ! BL2556 Hoja de datos, Descripción, Manual

BL2556
DESCRIPTION
1A USB Load Current Switch with 5V Output Voltage Limit
FEATURES
The BL2556 is 1A USB Load Current Switch with
output voltage limit at 5V, designed for high-side
load switching applications. The internal current-
limiting circuit protects the input supply against
large output short circuit current which may
cause the supply to fall out of regulation.
The output voltage limiting function protects the
output over voltage when BL2556s Vin sees
voltage surge.
The current limit is fixed around 1.4A which allow
1A USB application. The quiescent supply current
is typically 15μA, making the device ideal for
portable battery-operated equipment. In
shutdown mode, the supply current decreases to
less than 0.1μA.
Additional features include thermal shutdown
and short-circuit protection and current fold-back.
Stand input voltage as high as 10V
Output voltage limiting at 5V
Controlled turn-on
Fixed current limit large than 1A
0.25ohm on resistance
Extremely low quiescent current at 15uA typ.
Logic Control Shutdown (IQ<1uA)
Thermal shutdown
Short-circuit protection
Short-circuit current fold-back
SOT23-5 package
APPLICATIONS
Portable Devices
MID, MP4…
Set top boxes
Notebook and PC mother board
USB supplied Devices
The part is available in a tiny SOT23-5 package.
TYPICAL APPLICATION
Vin Vin Vout
LBCL42055061
CE
1uF Gnd
CE
Vout
4.7uF
ORDERING INFORMATION
www.belling.com.cn
1
PIN OUT & MARKING
VIN CE
P0YW |
VOUT GND NC
SOT23-5
P0: product code;
YW: data code

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