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Diodes Semiconductor Electronic Components Datasheet

AP2139 Datasheet

ULTRA LOW QUIESCENT CURRENT CMOS LDO

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AP2139 pdf
ULTRA LOW QUIESCENT CURRENT CMOS LDO
General Description
Features
Data Sheet
AP2138/2139
The AP2138/2139 series are CMOS-based positive
voltage regulator ICs. Each of these ICs consists of a
voltage reference, an error amplifier, a resistor network
for setting output voltage and a current limit circuit for
current protection.
The difference between AP2138 and AP2139 is the
AP2139 has an enable circuit with a quick discharge
function.
These ICs feature high output voltage accuracy,
extremely low quiescent current and low dropout volt-
age which make them ideal for use in various power
sources for portable applications.
The AP2138/2139 series have 1.2V, 1.4V, 1.5V, 1.8V,
2.5V, 2.8V, 3.0V, 3.3V, 3.6V and 4.0V fixed output
voltage versions.
The AP2138 series is available in SOT-23-3 and SOT-
89 packages, AP2139 series is available in SOT-23-5
package.
· Ultra-low Quiescent Current: 1.0μA Typical
· Output Voltages: 1.2V, 1.4V, 1.5V, 1.8V, 2.5V,
2.8V, 3.0V, 3.3V, 3.6V and 4.0V
· High Output Voltage Accuracy: ±2%
· Output Current: 250mA
· Low Dropout Voltage:
25mV Typical at IOUT=10mA and VOUT=3V
200mV Typical at IOUT=100mA and VOUT=3V
· Line Regulation: 6mV Typical
· Load Regulation: 25mV Typical
· Low Output Voltage Temperature Coefficient:
±100ppm/oC
· Low Standby Current: 0.1μA Typical (AP2139)
· Active Quick Output Discharge (AP2139)
· Logic-controlled Enable (AP2139)
Applications
· Battery Powered Equipment
· Reference Voltage Sources
· Cameras, Video Cameras
· Portable AV Systems
· Mobile Phones
· Communication Tools
· Portable Games
SOT-23-3
Jul. 2012 Rev. 2. 3
SOT-23-5
SOT-89
Figure 1. Package Types of AP2138/2139
BCD Semiconductor Manufacturing Limited
1


Diodes Semiconductor Electronic Components Datasheet

AP2139 Datasheet

ULTRA LOW QUIESCENT CURRENT CMOS LDO

No Preview Available !

AP2139 pdf
ULTRA LOW QUIESCENT CURRENT CMOS LDO
Pin Configuration
Data Sheet
AP2138/2139
N Package
(SOT-23-3)
K Package
(SOT-23-5)
VIN 3
2 VOUT
1 GND
VIN 1
GND 2
CE 3
5 VOUT
4 NC
R Package
(SOT-89)
3 VOUT
2 VIN
1 GND
RA Package
(SOT-89)
3 VIN
2 GND
1 VOUT
Figure 2. Pin Configuration of AP2138/2139 (Top View)
Pin Description
Pin Number
Pin Name
SOT-23-3 SOT-89 (R) SOT-89 (RA) SOT-23-5
Function
11
2 2 GND Ground
23
32
1 5 VOUT Regulated output voltage
3 1 VIN Input voltage
3 CE Active high enable input. Logic high=enable, logic
low=shutdown
4 NC No connection
Jul. 2012 Rev. 2. 3
BCD Semiconductor Manufacturing Limited
2


Part Number AP2139
Description ULTRA LOW QUIESCENT CURRENT CMOS LDO
Maker BCD
Total Page 25 Pages
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