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GM317TA3R Datasheet(PDF) 4 Page - Gamma Microelectronics Inc.

Part # GM317TA3R
Description  3-TERMINAL 1.5A ADJUSTABLE REGULATOR
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Manufacturer  GAMMA [Gamma Microelectronics Inc.]
Direct Link  http://www.gammamicro.com.tw/
Logo GAMMA - Gamma Microelectronics Inc.

GM317TA3R Datasheet(HTML) 4 Page - Gamma Microelectronics Inc.

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GM317
3-TERMINAL 1.5A
ADJUSTABLE REGULATOR
Electrical Characteristics (Unless otherwise noted, VI - VO = 5V and IO= 0.5A. TJ = Full
Range, unless otherwise noted)
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
3V
≤ VIN – VOUT ≤ 40V, TJ = 25°C
0.01
0.04
Line Regulation (note 2)
ΔVOI
3V
≤ VIN – VOUT ≤ 40V,
0.02
0.07
%/V
VOUT = 10V, f = 120Hz
65
Ripple Rejection Ratio
VOUT = 10V, f = 120Hz, 10μF
capacitor between ADJ and GND
66
80
dB
VO ≤ 5V
5
25
mV
10mA
≤ IOUT ≤ 1.5A,
TJ = 25°C
VO > 5V
0.1
0.5
%
VO ≤ 5V
20
70
mV
Load regulation (note 3)
ΔVOL
10mA
≤ IOUT ≤ 1.2A
VO > 5V
0.3
1.5
%
Output Voltage Change with
Temperature
ΔVOT
Full Temperature Range
%
Long Term Stability
(Note 4)
TJ = 125
OC, VIN – VOUT = 40V,
after 1000hr
0.3
1
%
Output Noise Voltage
10Hz
≤ f ≤ 10KHz, TJ = 25°C
0.003
%
Minimum Load Current
VIN – VOUT ≤ 40V
3.5
10
mA
VIN – VOUT ≤ 15V
1.5
2.2
Output Current Limit
ICL
VIN – VOUT ≤ 40V, TJ = 25°C
0.15
0.4
A
Adjustment Pin Current
IADJ
50
100
µA
Adjustment Pin Current
Change
ΔIADJ
3V
≤ VIN – VOUT ≤ 40V
10mA
≤ IOUT ≤ 1.2A
0.2
5.0
µA
Reference Voltage
3V
≤ VIN – VOUT ≤ 40V,
10mA
≤ IOUT ≤ 1.5A, P ≤ 15W
1.2
1.25
1.3
V
Note 1:
All characteristics are measured with a 0.1µF capacitor across the input and a 1µF capacitor across the output.
Note 2:
Input regulation is expressed here as the percentage change in output voltage per 1V change at the input.
Note 3:
Pulse testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible.
Thermal effects must be taken into account separately.
Note 4:
Since long-term drift cannot be measured on the individual devices prior to shipment, this specification is not intended to
be a guarantee or warranty. It is an engineering estimate of the average drift to be expected from lot to lot.


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