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AIC1523 데이터시트 PDF




Analog Intergrations Corporation에서 제조한 전자 부품 AIC1523은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

PDF 형식의 AIC1523 자료 제공

부품번호 AIC1523 기능
기능 500mA Power Distribution Switch
제조업체 Analog Intergrations Corporation
로고 Analog Intergrations Corporation 로고


AIC1523 데이터시트 를 다운로드하여 반도체의 전기적 특성과 매개변수에 대해 알아보세요.



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AIC1523 데이터시트, 핀배열, 회로
AIC1523
500mA Power Distribution Switch
n FEATURES
120m(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 Output can be Forced Higher than Input (Off-State).
l Active-High or Active-Low Enable.
n APPLICATIONS
l Power Management.
l PCI Cards With Wake-On- LAN
l Hot Plug-In Power Supplies.
l Power Distribution Switch.
n DESCRIPTION
The AIC1523 is an integrated high-side power
switches for input power selection applications
that using in portable products or PCI interface
peripheral cards. The high-side switch is a
MOSFET with 120mRDS(ON), low voltage drop
and low power consumption meet power saving
requirements . 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.
Design easily and layout flexibility for getting
stable voltage in power transfer transition for power
selection application. 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
+
3 3µF
AIC1523-0
IN
0.1µF
CTL
OUT
GND
+
* 33µF
VOUT
0.01µ F
* 33µF, 16V Tantalum, or
100µF, 10V Electrolytic
Bold line indicate high-current traces
High-Side Power Distribution Switch
Analog Integrations Corporation
www.analog.com.tw
DS-1523-00 May 30, 01
TEL: 886-3-5772500
4F, 9, Industry E. 9th Rd, Science Based Industrial Park, Hsinchu Taiwan, ROC
FAX: 886-3-5772510
1




AIC1523 pdf, 반도체, 판매, 대치품
AIC1523
n TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
Off-State Supply Current vs. Supply Voltage
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5
Supply Voltage (V)
Off-State Supply Current vs. Temperature
20
18
16
14
12
10
8
6
4
2
0
-40 -20
0 20 40 60
Temperature (°C)
80 100
130 Output On Resistance vs. Supply Voltage
125
120
115
110
105
100
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5
Supply Voltage
Current Limit vs. Supply Voltage
1000
900
800
700
600
500
400
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0
Supply Voltage (V)
Output On Resistance vs. Temperature
150
140
130
120
110
100
90
80
-40 -20 0 20 40 60 80 100
Temperature (°C)
Output Rise Time vs. temperature
550
500
450
400
350
-40
-20
0 20 40 60
Temperature (°C)
80 100
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AIC1523 전자부품, 판매, 대치품
n PIN DESCRIPTION
PIN 1/4/6/8: NC:
PIN 2: CTL
- TTL compatible control input. It
controls the power switch turn-
on/turn-off. Active High for
AIC1523-1 and active low for
AIC1523-0.
AIC1523
PIN 3: IN-
PIN 4: GND-
PN 7: OUT-
Power supply input.
Chip power ground.
MOSFET switch output.
n APPLICATION INFORMATIONS
l Current Limit
l The current limit threshold is preset internally. It
protects the output MOSFET switches from
damage due to undesirable short circuit
conditions or excess inrush current often
encountered during hot plug-in. The AIC1523
allows minimum 500mA continuous load current
per Channel.
l Thermal Protection
When the chip temperature exceeds 110°C, the
thermal protection function works.
l Supply Filtering
A 0.1uF to 1uF bypass capacitor from IN to GND,
located near the device, is strongly recommended
to control supply transients. Without a bypass
capacitor, an output short may cause sufficient
ringing on the input (from supply lead inductance) to
damage internal control circuitry.
l Transient Droop Requirements
A current surge is caused by the input capacitance
of device. Ferrite beads are recommended in series
with all power and ground connector pins. Ferrite
beads reduce EMI and limit the inrush current
during hot-attachment by filtering high-frequency
signals.
l Short Circuit Transient
Bulk capacitance provides the short-term transient
current needed during a hot-attachment event. With
a 33uF, 16V tantalum or 100uF, 10V electrolytic
capacitor mounted close to downstream connector
should provide transient drop protection.
l Printed Circuit Layout
The power circuitry of printed circuit boards
requires a customized layout to maximize thermal
dissipation and to minimize voltage drop and EMI.
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