GSC1118 查看數據表（PDF） - GTM CORPORATION
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GSC1118 Datasheet PDF : 3 Pages
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ISSUED DATE :2005/07/11
REVISED DATE :2005/10/04B
Pin Descriptions
Name
GND
VOUT
VIN
Description
Ground
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.
EN
This input pin of regulator. TTL/CMOS compatible input Logic high= disable output, Logic Low or open= output enable.
( internal pull-down resistor~100K).
NC
No connection.
Absolute Maximum Ratings
Symbol
Parameter
VIN
DC Supply Voltage
VEN
Enable Pin Voltage
PD
Power Dissipation
TST
Storage Temperature Range
TOP
Operating Junction Temperature Range
Ratings
-0.3 to 18
7
Internally Limited
-65 ~ + 150
0 ~ + 150
Unit
V
V
к
к
Electrical Characteristics (Under operating Conditions)
Parameter
Conditions
Min Typ Max Unit
Output Voltage
GSC1118-15
Io=10mA, TJ =25к, 3.0V VIN 15V
1.470 1.500 1.530 V
GSC1118-18
Io=10mA, TJ =25к, 3.3V VIN 15V
1.764 1.800 1.836 V
GSC1118-25
Io=10mA, TJ =25к, 4.0V VIN 15V
2.450 2.500 2.550 V
GSC1118-33
Io=10mA, TJ =25к, 4.8V VIN 15V
3.235 3.300 3.365 V
GSC1118-50
Io=10mA, TJ =25к, 6.5V VIN 15V
4.900 5.000 5.100 V
GSC1118-90
Io=10mA, TJ =25к, 10.5V VIN 18
8.820 9.000 9.180 V
Line Regulator
GSC1118-12
GSC1118-XX
Io=10mA, TJ =25к, 13.5V VIN 18V
Io=10mA, TJ =25к, VOUT+1.5< VIN <18V
11.760 12.00 12.24 V
-
0- 00.2 %
Load Regulation
GSC1118-15
VIN=3.0V, 0mA<Io<1A, TJ=25к, (Note 1, 2)
-
12 15 mV
GSC1118-18
VIN=3.3V, 0mA<Io<1A, TJ=25к, (Note 1, 2)
-
15 18 mV
GSC1118-25
VIN=4.0V, 0mA<Io<1A, TJ=25к, (Note 1, 2)
-
20 25 mV
GSC1118-33
VIN=5.0V, 0mA<Io<1A, TJ=25к, (Note 1, 2)
-
26 33 mV
GSC1118-50
VIN=8.0V, 0mA<Io<1A, TJ=25к, (Note 1, 2)
-
40 50 mV
GSC1118-90
VIN=12.0V, 0mA<Io<1A, TJ=25к, (Note 1, 2)
-
70 90 mV
GSC1118-12
VIN=15.0V, 0mA<Io<1A, TJ=25к, (Note 1, 2) - 100 120 %
Dropout Voltage
(VIN-VOUT)
GSC1118-XX
Io=1A, VOUT=0.1 VOUT
- 1.3 1.4 V
Current Limit
Minimum Load Current
Enable Input Voltage
VEN
Enable Input Current
IEN
Thermal Regulation
Ripple Rejection
Temperature Stability
GSC1118-XX
(VIN-VOUT)=5V
GSC1118-XX
0кЉTJЉ125к
Logic Low (ON)
Logic High (OFF)
VEN=0.8V
VEN=2.0V
TA=25к, 30ms pulse
F=120Hz, COUT=25uF, Tantalum, Io=1A
GSC1118-XX
VIN=VOUT+3V
Io=10mA
1.1 -
-
A
-
5 10 mA
-
1.6
-
-
0.8
-
V
-
-
-
-
10
80
A
- 0.008 0.04 %/W
-
60 70 dB
- 0.5 - %
JA Thermal Resistance
Junction–to-Ambient
(No heat sink ;No air flow)
- 150 - к/W
JC Thermal Resistance
Junction-to-Case
Control Circuitry/Power Transistor
-
25
- к/W
Note 1: See thermal regulation specifications for charges 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=1/8” from the
package.
Note 2: Line and load regulations are guaranteed up to the maximum power dissipation of 15W. Power dissipation is determined by the
input/output differential 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 to maintain regulation. At 12V input/output differential the
device is guaranteed to regulate if the output current is greater than 10mA.
GSC1118
Page: 2/3
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