AP2205
WIDE INPUT VOLTAGE RANGE, 200mA ULDO REGULATOR
Description Pin Assignments
The AP2205 series is a positive voltage regulator IC fabricated by
high voltage EPNP process. (Top View) (Top View)
The AP2205 has features of wide input voltage range, high accuracy,
3 VOUT
3 VIN
high ripple rejection, low dropout voltage, low noise, current limit and
ultra-low quiescent current which make it ideal for use in various USB
GND 2 GND
GND 2 GND
and portable devices.
1 VIN
1 VOUT
The IC consists of a voltage reference, an error amplifier, a resistor
network for setting output voltage, a current limit circuit for current
SOT89 (Note 1) SOT89R (Note 1)
protection, and a chip enable circuit, a low power shutdown mode for
extended battery life, over current protection, over temperature Note 1: The substrate/exposed pad should be connected to GND or open.
protection, as well as reversed-battery protection.
(Top View)
The AP2205 has 1.5V, 1.8V, 2.5V, 2.8V, 3.0V, 3.3V, 5.0V fixed
voltage versions and adjustable voltage version.
1 5
VIN VOUT
The AP2205 is available in space-saving SOT25 and SOT89
GND 2
packages.
ADJ/NC
EN 3 4
Features
Wide Input Voltage Range: 2.3V to 24V
SOT25
Wide Output Voltage Range: 1.24V to 22V
Excellent Ripple Rejection: 60dB@ f = 1kHz
Applications
Low Dropout Voltage: V = 100mV@ I = 100A
DROP OUT
Low Ground Current Battery-powered Equipment
High Output Voltage Accuracy Laptop, Palmtops, Notebook Computers
Compatible with Low ESR Ceramic Capacitor Portable Information Appliances
Excellent Line/Load Regulation Industrial/Automotive Applications
Thermal Shutdown Function
Totally Lead-Free & Fully RoHS Compliant (Notes 2 & 3)
Halogen and Antimony Free. Green Device (Note 4)
Notes: 2. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant.
3. See
AP2205
Typical Applications Circuit (Cont.)
V = V (1+(R1/R2))
OUT REF
AP2205
ADJ Version
V
V VOUT OUT
IN VIN
SOT25
R1
R3
C
OUT
EN GND ADJ
C
IN
2.2F
C1
1.0 F
R2
Startup Time Adjustable by External R3C1 Circuit
AP2205
Fixed Version
V
V VOUT
VIN OUT
IN
SOT25
R3
C
OUT
EN GND NC
C
IN
2.2F
C1
1.0 F
Startup Time Adjustable by External R3C1 Circuit
2 of 18
AP2205 January 2019
Diodes Incorporated
www.diodes.com
Document number: DS41592 Rev. 1 - 2
NEW PRODUCT