AP7363
1.5A LOW QUIESCENT CURRENT, FAST TRANSIENT
ULTRA-LOW DROPOUT LINEAR REGULATOR
Description Pin Assignments
The AP7363 is a 1.5A adjustable output voltage linear regulator with
(Top View)
ultra-low dropout. The device includes pass element, error amplifier,
ADJ/
OUT OUTOUT
NC
band-gap, current limit and thermal shutdown circuitry.
857 6
The characteristics of low dropout voltage and fast transient response
to step changes in load make it suitable for low voltage
microprocessor applications. The typical quiescent current is
approximately 0.5mA and changes little with load current. The built-in
current-limit and thermal-shutdown functions prevent IC from damage
in fault conditions.
142 3
This device is available in U-DFN2030-8, SO-8EP, SOT223 and
GND IN IN IN
TO252 packages.
U-DFN2030-8
(Top View)
Features
1.5A ultra-low dropout linear regulator
GND 1 8 ADJ/NC
Ultra-low dropout: 190mV at 1.5A
Stable with 10F input/output capacitor, any types 2 7 OUT
IN
Wide input voltage range: 2.2V to 5.5V
OUT
IN 3 6
Adjustable output voltage: 0.6V to 5.0V
Fixed output options: 1V, 1.2V, 1.5V, 1.8V, 2.5V, 3.3V
OUT
IN 4 5
Low ground pin current
25nA quiescent current in shutdown mode
SO-8EP
V accuracy of 1.5% @ +25C
ADJ
V accuracy of 3% over line, load and temperature
ADJ
(Top View)
Excellent Load/Line Transient Response
Current limit and thermal shutdown protection
3 OUT
Ambient temperature range: -40C to +85C
U-DFN2030-8, SO-8EP, SOT223 and TO252: Available in GND (TAB)
2
Green Molding Compound (No Br, Sb)
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) IN
1
Halogen and Antimony Free. Green Device (Note 3)
SOT223
(Fixed Output)
Applications
(Top View)
ASIC power supplies in printers, graphics cards, DVD players,
STBs, routers, etc
3
FPGA and DSP core or I/O power supplies
2 GND
SMPS regulator
Conversion from 3.3V or 5V rail
1
TO252
Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See
AP7363
Typical Applications Circuit
V V V V
IN OUT IN OUT
IN OUT IN OUT
AP7363
AP7363
R1
10F 10F
10F 10F
ADJ
GND
GND
R2
Fixed Output
Adjustable Output
R
1
V = V 1 + whereR 10k
OUT REF 2
R
2
Pin Descriptions
Pin Number
Pin
Function
SOT223 U-DFN2030-8
Name
TO252 SO-8EP
GND 2 1 Ground.
IN 1 2, 3, 4 Voltage input pin.
OUT 3 5, 6, 7 Voltage output pin.
Output feedback pin for adjustable version only a resistor divider from this pin to the OUT
ADJ NA 8
pin and ground sets the output voltage.
NC NA 8 No connection for fixed output version.
The exposed pad (EP) is used to remove heat from the package and it is recommended that
EP/TAB it is connected to a copper area. The die is electrically connected to the exposed pad. It is
recommended to connect it externally to GND, but should not be the only ground connection.
Functional Block Diagram
IN OUT
IN OUT
Current Limit
Gate Current Limit
and Thermal
Gate
Driver
and Thermal
Shutdown R
Driver
EN Shutdown
EN
ADJ
0.605V
0.605V
R
GND
GND
Fixed Version
Adjustable Version
2 of 14 December 2012
AP7363
Diodes Incorporated
www.diodes.com
Document number: DS35059 Rev. 8 - 2