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Número de pieza | AIC1521-0CS | |
Descripción | Single High-Side Power Switch With Control Function | |
Fabricantes | Analog Intergrations Corporation | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de AIC1521-0CS (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
No Preview Available ! AIC1521
Single High-Side Power Switch With Control
Function
n FEATURES
• 120mΩ (5V Input) High-Side MOSFET Switch.
l 500mA Continuous Load Current.
l 80µA Typical On-State Supply Current.
l 1µA Typical Off-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.
l Active-High or Active-Low Enable.
n APPLICATIONS
l Motherboard USB Management.
l USB Power Management.
l Hot Plug-In Power Supplies.
l Battery-Charger Circuit.
l Power Distribution Switch.
n TYPICAL APPLICATION
CIRCUIT
n DESCRIPTION
The AIC1521 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 120mΩ RDS(ON), which
meets USB voltage drop requirements for
maximum transmission wire length. The switch
ON/OFF is controlled by CTL pin.
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.
Guaranteed minimum output rise time limits
inrush current during hot plug-in, minimizing EMI
and preventing the voltage at upstream port from
dropping excessively.
VCC
5.0V
+
33µ F
AIC1521-0
IN OUT
0.1µF
CTL
GND
+
*33µ F
Ferrite Bead
0 .01µ F
VBUS
D+
D-
GND
*33µF, 16V Tantalum, or
100µF, 10V Electrolytic
Bold line indicate high-current traces
USB High-Side Power Switch
DATA
Analog Integrations Corporation
www.analog.com.tw
DS-1520-00 Aug 18, 00
TEL: 886-3-5772500
4F, 9, Industry E. 9th Rd, Science Based Industrial Park, Hsinchu Taiwan, ROC
FAX: 886-3-5772510
1
1 page AIC1521
n TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
Output Rise Time vs. temperature
550
500
450
400
350
-40
-20
0 20 40 60
Temperature (°C)
80 100
Output Fall Time vs. Temperature
300
250
200
150
100
50
-40
-20
0 20 40 60
Temperature (°C)
80 100
CTL Threshold Voltage vs. Supply Voltage
2.2
2.0
CTL Rising
1.8
1.6
1.4
CTL Falling
1.2
1.0
3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5
Supply Voltage (V)
Turn On Characteristic (35Ω, Loading)
220µF
100µF
No Cap
IOUT, 200mA/DIV
CTL
Turn On Rising Time (10Ω loading)
Turn Off Falling Time (10Ω Loading)
IOUT
VOUT
CTL
426µS
200mA/DIV
IOUT
V OUT
CTL
107nS
200mA/DIV
5
5 Page |
Páginas | Total 9 Páginas | |
PDF Descargar | [ Datasheet AIC1521-0CS.PDF ] |
Número de pieza | Descripción | Fabricantes |
AIC1521-0CO | Single High-Side Power Switch With Control Function | Analog Intergrations Corporation |
AIC1521-0CS | Single High-Side Power Switch With Control Function | Analog Intergrations Corporation |
AIC1521-0CW | Single High-Side Power Switch With Control Function | Analog Intergrations Corporation |
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