GJ1117A Fixed-Mode Regulator Datasheet

GJ1117A Datasheet, PDF, Equivalent


Part Number

GJ1117A

Description

1A Low Dropout Positive Adjustable or Fixed-Mode Regulator

Manufacture

GTM

Total Page 4 Pages
Datasheet
Download GJ1117A Datasheet


GJ1117A
ISSUED DATE :2003/08/02
REVISED DATE :2006/12/14E
G J 111 7 A
1A Low Dropout Positive Adjustable or Fixed-Mode Regulator
Description
The GJ1117A is a low dropout at positive adjustable or fixed-mode regulator with minimum of 1A output current
capability. The product is specifically designed to provide well-regulated supply for low voltage IC applications
such as high-speed bus termination and low current 3.3V logic supply. GJ1117A is also well suited for other
applications such as VGA cards. GJ1117A is guaranteed to have lower than 1.4V dropout at full load current
making it ideal to provide well-regulated outputs of 1.25 to 5.0 with 6.4V to 12V input supply.
Features
1.4Vmaximum dropout full load current
Fast transient response
Output current limiting
Built-in thermal shutdown
Good noise rejection
3-Terminal Adjustable or Fixed 1.5V,1.8V,2.5V,3.3V,5.0V
Applications
PC peripheral
Communication
Package Dimensions
TO-252
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Typical Circuit
REF.
A
B
C
D
E
F
S
Millimeter
Min. Max.
6.40 6.80
5.20 5.50
6.80 7.20
2.40 3.00
2.30 REF.
0.70 0.90
0.60 0.90
REF.
G
H
J
K
L
M
R
Millimeter
Min. Max.
0.50 0.70
2.20 2.40
0.45 0.55
0 0.15
0.90 1.50
5.40 5.80
0.80 1.20
GJ1117A
Page: 1/4

GJ1117A
Block Diagram
ISSUED DATE :2003/08/02
REVISED DATE :2006/12/14E
Pin Descriptions
Name I/O Pin#
Adj (GND)
1
Vout
O2
Vin I 3
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Function
A resistor divider from this pin to the Vout pin and ground sets the output voltage (Ground
only for fixed mode)
The output of the regulator. A minimum of 10uF capacitor must be connected from this pin
to ground to insure stability.
The input pin of regulator. Typically a large storage capacitor is connected from this pin to
ground to insure that the input voltage does not sag below the minimum dropout voltage
during the load transient response. This pin must always be 1.3V higher than Vout in order
for the device to regulate properly.
Absolute Maximum Ratings
Symbol
Parameter
Vin DC Supply Voltage
PD Power Dissipation
TST Storage Temperature
TOP Operating Junction Temperature Range
TMJ Maximum Junction Temperature
Ratings
-0.3 to 12
Internally Limited
-65 ~ + 150
0 ~ + 125
150
Unit
V
GJ1117A
Page: 2/4


Features ISSUED DATE :2003/08/02 REVISED DATE :20 06/12/14E G J 111 7 A Description 1A Low Dropout Positive Adjustable or Fixe d-Mode Regulator The GJ1117A is a low dropout at positive adjustable or fixed -mode regulator with minimum of 1A outp ut current capability. The product is s pecifically designed to provide well-re gulated supply for low voltage IC appli cations such as high-speed bus terminat ion and low current 3.3V logic supply. GJ1117A is also well suited for other a pplications such as VGA cards. GJ1117A is guaranteed to have lower than 1.4V d ropout at full load current making it i deal to provide well-regulated outputs of 1.25 to 5.0 with 6.4V to 12V input s upply. Features 1.4Vmaximum dropout fu ll load current Fast transient response Output current limiting Built-in therm al shutdown Good noise rejection 3-Term inal Adjustable or Fixed 1.5V,1.8V,2.5V ,3.3V,5.0V Applications PC peripheral Communication Package Dimensions TO-25 2 www.DataSheet4U.com REF. A B C D E F S Millimeter Min. Max..
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