Data Sheet
WIDE INPUT VOLTAGE RANGE, 150mA ULDO REGULATOR
AP2204
General Description
Features
The AP2204 series is a positive voltage regulator IC
fabricated by high voltage EPNP process.
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Wide Input Voltage Range: 2.3V to 24V
Wide Output Voltage Range: 1.24V to 22V
Excellent Ripple Rejection: 60dB@ f=1kHz
Low Dropout Voltage: VDROP=100mV@
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Low Ground Current
High Output Voltage Accuracy
Compatible with Low ESR Ceramic Capacitor
Excellent Line/Load Regulation
Thermal Shutdown Function
The AP2204 has features of wide input voltage range,
high accurcay, high ripple rejection, low dropout
voltage, low noise, current limit and ultra-low
quiescent current which make it ideal for use in various
USB and portable devices.
IOUT=100µA
The IC consists of a voltage reference, an error
amplifier, a resistor network for setting output voltage,
a current limit circuit for current protection, and a chip
enable circuit.
Applications
The AP2204 has 1.5V, 1.8V, 2.5V, 2.8V, 3.0V, 3.3V,
5.0V fixed voltage versions and adjustable voltage
version.
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The AP2204 is available in space-saving SOT-23-5,
SOT-89 and PSOP-8 packages.
SOT-23-5
Battery-powered Equipment
Laptop, Palmtops, Notebook Computers
Portable Information Appliances
SOT-89
PSOP-8
Figure 1. Package Types of AP2204
Jul 2011 Rev. 2. 2
BCD Semiconductor Manufacturing Limited
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