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AP139 Datasheet Preview

AP139 Datasheet

Low-Noise CMOS LDO

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AP139 pdf
300mA Low-Noise CMOS LDO
„ Features
- Very low dropout voltage
- Low current consumption: Typ.45µA, Max. 60µA
- Output voltage: 1.5V,1.8V,2.0V, 2.5V, 2.8V, 3.0V
3.3V, and 3.5V
- Guaranteed 300mA output
- Input range up to 7.0V
- Thermal shutdown
- Current limiting
- Stability with low ESR capacitors
- Low temperature coefficient
- Pb-free package: SOT23-5L,TSOT23-5L
„ Applications
- Battery-powered devices
- Personal communication devices
- Home electric/electronic appliances
- PC peripherals
AP139
„ General Descriptions
The AP139 is a positive voltage linear regulator
utilizing CMOS technology. The features that
include low quiescent current (45µA typ.), low
dropout voltage, and high output voltage accuracy,
make it ideal for battery applications. EN input
connected to CMOS has low bias current. The
space-saving SOT23-5L and TSOT23-5L package
is attractive for “Pocket” and “Hand Held”
applications.
This rugged device has both thermal shutdown, and
current limit protections to prevent device failure
under the “Worst” operating conditions.
In a low noise, regulated supply application, a 10nF
capacitor is necessary to be placed in between
Bypass and Ground.
The AP139 is stable with a low ESR output
capacitor of 1.0µF or greater.
„ Pin Assignments
(Top View)
VOUT
5
BYP
4
AP139
123
VIN GND EN
SOT23-5/TSOT23-5
„ Ordering Information
AP139 XX X X
„ Pin Descriptions
Pin Pin
Name No.
Function
VIN
GND
1 Power Supply
2 Ground
EN 3 Enable Pin
BYP 4 Bypass Signal Pin
VOUT
5 Output
Output voltage
15: 1.5V
18: 1.8V
20: 2.0V
25: 2.5V
28: 2.8V
30: 3.0V
33: 3.3V
35: 3.5V
Package
W : SOT23-5L
TW:TSOT23-5L
Packing
Blank: Tube
A: Taping
This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of
this product. No rights under any patent accompany the sale of the product.
Rev.1.1 Jun 02, 2006
1/8



Anachip
Anachip

AP139 Datasheet Preview

AP139 Datasheet

Low-Noise CMOS LDO

No Preview Available !

AP139 pdf
300mA Low-Noise CMOS LDO
„ Block Diagram
VIN
1uA
EN
BYP
Current
Limit
Thermal
Shutdown
-
AMP
+
Vref
„ Absolute Maximum Ratings
Symbol
Parameter
VIN
IOUT
VOUT
Input Voltage
Output Current
Output Voltage
ESD Classification
TA Ambient Temperature Range
TJ Junction Temperature Range
„ Thermal Information
Symbol
Parameter
θjc Thermal Resistance
PD
TJ
TLead
Internal Power Dissipation (T=100 ºC)
Maximum Junction Temperature
Maximum Lead Temperature (10 sec)
SOT23-5L
SOT23-5L
AP139
VOUT
R1
R2
GND
Rating
+7
PD/ (VIN-VO)
GND - 0.3 to VIN+ 0.3
B
-40 to +85
-40 to +125
Maximum
160
250
150
300
Unit
V
mA
V
ºC
ºC
Unit
ºC/W
mW
ºC
ºC
Anachip Corp.
www.anachip.com.tw
Rev.1.1 Jun 02, 2006
2/8


Part Number AP139
Description Low-Noise CMOS LDO
Maker Anachip
Total Page 8 Pages
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AP139 pdf
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