AP7361C
1A LOW DROPOUT ADJUSTABLE AND FIXED-MODE REGULATOR WITH ENABLE
Description Pin Assignments
The AP7361C is a 1A, adjustable and fixed output voltage, ultra-low
dropout linear regulator with enable. The device includes pass
(Top View) (Top View)
element, error amplifier, band-gap reference, current limit and thermal
shutdown circuitry. The device is turned on when EN pin is set to logic
OUT 1 8 IN 1
EN 5 OUT
high level.
2 7 NC
NC
GND
2
GND GND
The characteristics of the low dropout voltage and low quiescent
3 6 NC
ADJ/NC
current make it suitable for low to medium power applications, for
3 4 IN
example, laptop computers, audio and video applications and battery GND 4 5 ADJ/NC
EN
powered devices. The typical quiescent current is approximately
60A. Built-in current-limit and thermal-shutdown functions prevent
U-DFN3030-8 (Type E) SOT89-5
IC from damage in fault conditions.
The AP7361C is available in U-DFN3030-8 (Type E), SOT89-5,
(Top View) (Top View)
SOT223, TO252 (DPAK) and SO-8EP packages.
OUT
3
3 IN
Features
2 GND
2 OUT
Wide Input Voltage Range: 2.2V to 6.0V
Output Voltage Accuracy: 1%
IN GND
1 1
Very Low Dropout Voltage (3.3V): 360mV at 1A Typical
Low Quiescent Current (I ): 60A Typical
Q
Adjustable Output Voltage Range: 0.8V to 5.0V
SOT223 SOT223R
Fixed Output Options: 1.0V, 1.2V, 1.5V, 1.8V, 2.5V, 2.8V and
3.3V
High PSRR: 75dB @ 1kHz (Top View) (Top View)
Current Limit: 1.5A
OUT 1 8 IN
OUT 1 8 IN
Fold-Back Short Circuit Protection: 400mA
2 7 NC
EN 2 7 NC ADJ/NC
Thermal Shutdown Protection
3 6 NC GND 3 6 NC
Stable with MLCC, E-Cap, Tan-Cap or Solid Capacitor 2.2F NC
Ambient Temperature Range: -40C to +85C 4 5 NC NC 4 5 EN
GND
Available in Green Molding Compound (No Br, Sb)
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) SO-8EP SO-8EPR
Halogen and Antimony Free. Green Device (Note 3)
(Top View) (Top View)
Applications
IN
OUT 3
3
LCD-TV, Monitor
Set-Top-Box
2 GND 2 OUT
Home Electrical Appliances
GND
1 IN 1
TO252 (DPAK) TO252 (DPAK) R
Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant.
2. See
AP7361C
Typical Applications Circuit
V
V IN V
IN V OUT
OUT
IN IN OUT
OUT
AP7361C AP7361C
C C C R1 C
IN OUT IN OUT
4.7F
4.7F 4.7F 4.7F
Enable Enable
ADJ
EN
EN
GND GND
R2
Adjustable Output
Fixed Version with EN
V
IN V
OUT
IN OUT
C
OUT
AP7361C
C
IN
4.7F
4.7F
GND
Fixed Version without EN
Pin Descriptions
Pin Number
Pin
Function
U-DFN3030-8 TO252 TO252
Name
SOT89-5 SOT223 SOT223R SO-8EP SO-8EPR
(Type E) (DPAK)
(DPAK)R
The input of the regulator. Bypass to
8 4 1 3 1 3 8 8 IN ground through at least 1F ceramic
capacitor.
The output of the regulator. Bypass to
ground through at least 2.2F
1 5 3 2 3 2 1 1 OUT ceramic capacitor. For improved ac
load response a larger capacitor is
recommended.
4 2 2 1 2 1 4 3 GND Ground
Adjustable voltage version only a
resistor divider from this pin to the
3 3 2 ADJ/NC
OUT pin and ground sets the output
voltage.
5 1 2 5 EN Enable input, active high
2, 6, 7 3, 5, 6, 7 4, 6, 7 NC No connection
2 of 22
AP7361C January 2018
Diodes Incorporated
www.diodes.com
Document number: DS37274 Rev. 4 - 2
NEW PRODUCT
ADVANCE INFORMATION