APL5507-A27OI-TR データシートの表示（PDF） - Anpec Electronics
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APL5507-A27OI-TR Datasheet PDF : 15 Pages
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APL5505/6/7
500mA Regulator + Reset IC
Features
General Description
• Low Quiescent Current : 120uA (No load)
• Low Dropout Voltage : 300mV (VOUT=3.3V@
500mA)
• Fixed Output Voltage : 1.3V,1.4V,1.5V,1.6V,
1.7V,1.8V,1.9V, 2.0V,2.1V,2.2V,2.3V,2.4V,
2.5V,2.6V,2.7V, 2.8V,2.9V,3.0V,3.1V,3.2V,
3.3V,3.4V.
• Stable with 4.7uF Output Capacitor
• Stable with Aluminum , Tantalum or Ceramic
Capacitors .
• Reverse Current Protection
• No Protection Diodes Needed
• Built in Thermal Protection
• Built in Current Limit Protection
• Controlled Short Circuit Current : 50mA
• Fast transient Response
• Short Setting Time
• SOP-8,TSSOP-8 and MSOP-8 Packages.
• Adjustment-free Reset Detection Voltage :
3.9V or 4.2V typ.
• Easy to Set Delay Time from Voltage
Detection to Reset Release.
• Reset and Reset output
Applications
• CD-ROM drive.
The APL5505/6/7 is micropower, low noise , low drop-
out regulators with a reset function (regulator input
(APL5505) or specific voltage(APL5506/7) monitoring),
and internal delay circuit, set to detect 3.9V or 4.2V.
Operate from 3V to 6V input voltage and deliver up to
500mA. Typical output noise is just 180uVRMS with an
external 0.01uF bypass capacitor connected in BP
pin and the typical dropout voltage is only 300mV at
500mA loading. Design with an internal P-channel
MOSFET pass transistor, the APL5505/6/7 maintains
a low supply current, independent of the load current
and dropout voltage. Other features include reverse
current protection, thermal-shutdown protection, cur-
rent limit protection to ensure specified output current
and controlled short-circuit current. The APL5505/6/
7 regulators come in miniature SOP-8, TSSOP-8 and
MSOP-8 packages.
Pin Configuration
SOP-8 Top View
SOP-8 Top View
RESET
1
8
RESET
2
7
CONT
3
6
V IN
4
5
APL5505
Cd
VDET
1
8
GND RESET
2
7
Bypass CONT
3
6
VOUT
V IN
4
5
APL5506
Cd
GND
Bypass
VOUT
SOP-8 Top View
VDET
RESET
CONT
V IN
1
8
2
7
3
6
4
5
APL5507
Cd
GND
Bypass
VOUT
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise
customers to obtain the latest version of relevant information to verify before placing orders.
Copyright ANPEC Electronics Corp.
1
Rev. A.4 - Sep., 2002
www.anpec.com.tw
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