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PDF AIC1520CX Data sheet ( Hoja de datos )
| Número de pieza | AIC1520CX | |
| Descripción | Single High-Side Power Switch | |
| Fabricantes | Analog Intergrations Corporation | |
| Logotipo |  |
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AIC1520
Single High-Side Power Switch
n FEATURES
· 120mW (5V Input) High-Side MOSFET Switch.
l 500mA Continuous Load Current.
l 80mA Typical On-State Supply Current.
l Current-Limit / Short Circuit Protection.
l Thermal Limiting Protection under Overcurrent
Condition.
l Undervoltage Lockout Ensures that Switch is off at
Start Up.
l Output can be Forced Higher than Input (Off-State).
l Slow Turn ON and Fast Turn OFF.
n DESCRIPTION
The AIC1520 is an integrated high-side power
switch for self-powered and bus-powered
Universal Serial Bus (USB) applications. The
high-side switch is a MOSFET with 120mW RDS(ON),
which meets USB voltage drop requirements for
maximum transmission wire length.
Output current is typically limited to 1.0A, well
below the 5A safety requirement, and thermal
shutdown function shuts the switch off to prevent
damage under overcurrent conditions.
n APPLICATIONS
l Motherboard USB Management.
l USB Power Management.
l Hot Plug-In Power Supplies.
l Battery-Charger Circuit.
l Power Distribution Switch.
Guaranteed minimum output rise time limits
inrush current during hot plug-in, minimizing EMI
and preventing the voltage at upstream port from
dropping excessively.
n TYPICAL APPLICATION CIRCUIT
VCC
5.0V
+
33mF
AIC1520
IN OUT
0.1mF
GND
+
*33mF
Ferrite Bead
0.01mF
VBUS
D+
D-
GND
*33mF, 16V Tantalum, or
100mF, 10V Electrolytic
Bold line indicate high-current traces
USB High-Side Power Switch
DATA
Analog Integrations Corporation 4F, 9, Industry E. 9th Rd, Science Based Industrial Park, Hsinchu Taiwan, ROC
DS-1520-00 July 7, 00
TEL: 886-3-5772500 FAX: 886-3-5772510
www.analog.com.tw
1
1 page  
AIC1520
n TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
Turn On Characteristic (35W, 100mF Loading)
Turn On Characteristic (35W Loading)
500mA/div
IOUT
VOUT
220mF
100mF
no cap
IOUT, 200mA/div
VIN
VOUT
Current Limit Threshold
1.2A
1A
IOUT 500mA/DIV
Thermal Limiting Transient Response
VOUT
Short Circuit Testing
VOUT
IOUT
500mA/DIV
Thermal Oscillation
Short Circuit Response Time
Short
IOUT 500mA/DIV
Thermal limit (2W Loading)
IOUT
1A/DIV
VOUT
5
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet AIC1520CX.PDF ] | |
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