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AIC1521-0CS 参数 Datasheet PDF下载

AIC1521-0CS图片预览
型号: AIC1521-0CS
PDF下载: 下载PDF文件 查看货源
内容描述: 单高侧电源开关与控制功能 [Single High-Side Power Switch With Control Function]
分类和应用: 开关电源开关
文件页数/大小: 9 页 / 180 K
品牌: AIC [ ANALOG INTERGRATIONS CORPORATION ]
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AIC1521
Single High-Side Power Switch With Control
Function
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FEATURES
120mΩ (5V Input) High-Side MOSFET Switch.
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500mA Continuous Load Current.
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80µA Typical On-State Supply Current.
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1µA Typical Off-State Supply Current.
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Current-Limit / Short Circuit Protection.
l
Thermal Limiting Protection under Overcurrent
Condition.
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Undervoltage Lockout Ensures that Switch is off at
Start Up.
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Output can be Forced Higher than Input (Off-State).
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Slow Turn ON and Fast Turn OFF.
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Active-High or Active-Low Enable.
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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 R
DS(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.
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APPLICATIONS
l
l
l
l
l
Motherboard USB Management.
USB Power Management.
Hot Plug-In Power Supplies.
Battery-Charger Circuit.
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
Ferrite Bead
A
I
C1521-
0
VCC
5.0V
IN
OUT
+
VBUS
33
µ
F
0.1
µ
F
CTL
GND
+
*
33µF
0
.
01
µ
F
D+
D-
GND
*
33
µ
F, 16V Tantalum, or
DATA
100
µ
F, 10V Electrolytic
Bold line indicate high-current traces
USB High-Side Power Switch
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
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