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GE1117A50 반도체 회로 부품 판매점

1A LOW DROPOUT POSITIVE REGULATOR



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GTM
GE1117A50 데이터시트, 핀배열, 회로
www.DataSheet4U.com
ISSUED DATE :2005/02/16
REVISED DATE :2006/09/13C
G E 111 7 A5 0
1 A L O W D RO P O UT P O S I T I V E R E G UL AT O R
Description
The GE1117A50 is a low dropout at positive 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 logic supply. GE1117A50 is also well suited for other applications
such as VGA cards .GE1117A50 is guaranteed to have lower than 1.4V dropout at full load current making it
ideal to provide well-regulated outputs 5.0V with 6.4V to 15V input supply.
Features
1.4Vmaximum dropout full load current
Fast transient response
Output current limiting
Built-in thermal shutdown
Good noise rejection
Applications
PC peripheral
Communication
Package Dimensions
Typical Circuit
REF.
A
b
c
D
E
L4
L5
Block Diagram
Millimeter
Min. Max.
4.40 4.80
0.76 1.00
0.36 0.50
8.60 9.00
9.80 10.4
14.7 15.3
6.20 6.60
REF.
c1
b1
L
e
L1
Ø
A1
Millimeter
Min. Max.
1.25 1.45
1.17 1.47
13.25 14.25
2.54 REF.
2.60 2.89
3.71 3.96
2.60 2.80
32
1
GE1117A50
Page: 1/4


GE1117A50 데이터시트, 핀배열, 회로
ISSUED DATE :2005/02/16
REVISED DATE :2006/09/13C
Pin Descriptions
Name I/O PIN#
Gnd 1
Vout
O2
Vin I 3
Function
Ground pin
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
Ratings
6.4 to 15
Internally Limited
-65 ~ + 150
0 ~ + 150
Unit
V
Electrical Characteristics
Parameter
Output Voltage
Vout
Line Regulation
Load Regulation
Dropout Voltage
(VIN-VOUT)
REGLINE
REGLOAD
VDROPOUT
Conditions
A-Rank (0.5%)
Io=10mA,TJ=25 ,6.5V Vin 12V B-Rank (1.0%)
C-Rank (2.0%)
Io=10mA, 6.5V<Vin<12V, TJ=25
Vin=8V, 0mA<Io<1A, TJ=25 (Note 1,2)
MIN
4.975
4.950
4.900
-
-
TYP
5.000
5.000
5.000
-
-
MAX UNIT
5.025 V
5.050 V
5.100 V
0.2 %
25 mV
Io=1A, ( Vout=0.1% Vout)
- 1.3 1.4 V
Current Limit
Io
Vin-Vout=5V
1.1 -
-A
Quiescent Current
IQ
Vin=12V, Io=0mA
- - 12 mA
Thermal Regulation
TA=25 ,30ms pulse
- 0.008 0.04 %/W
Ripple Rejection
F=120Hz, COUT=25uF Tantalum, IOUT=1A
VIN=VOUT+3V
- 60 70 dB
Temperature Stability IO=10mA
- 0.5 - %
JA Thermal Resistance
Junction–to-Ambient(No
heat sink ;No air flow)
JC Thermal Resistance
Junction-to-Case
Control Circuitry/Power Transistor
- 85 -
- 0.65/2.7 -
/W
/W
Note 1: See thermal regulation specifications for changes in output voltage due to heating effects. Line and load regulation
are measured at a constant junction Temperature by low duty cycle pulse testing. Load regulation is measured at the
output lead =1/18” from the package.
Note 2: Line and load regulation are guaranteed up to the maximum power dissipation of 15W. Power dissipation is
determined by the difference between input and output and the output current. Guaranteed maximum power
dissipation will not be available over the full input/output range.
Note 3: Quiescent current is defined as the minimum output current required in maintaining regulation. At 12V input/output
differential the device is guaranteed to regulate if the output current is greater than 10mA.
GE1117A50
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GE1117A50

1A LOW DROPOUT POSITIVE REGULATOR - GTM