GS78L12SF Datasheet PDF - Globaltech

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GS78L12SF
Globaltech

Part Number GS78L12SF
Description 3-Terminal Positive Voltage Regulator
Page 10 Pages


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3-Terminal Positive Voltage Regulator
DEC. 2009
Product Description
The GS78Lxx Series of positive voltage regulators
are inexpensive, easy-to-use devices suitable for a
multitude of applications that require a regulated
supply of up to 100mA. Like their higher-powered
GS78xx Series cousins, these regulators feature
internal current limiting and thermal shutdown
making them remarkably rugged. No external
components are required with the GS78Lxx
devices in many applications.
These devices offer a substantial performance
advantage over the traditional zener diode-resistor
combination, as output impedance and quiescent
current are substantially reduced.
Features
Wide Range of Available, Fixed Output
Voltages
Internal Short Circuit Current Limiting
Internal Thermal Overload Protection
No External Components Required
Complementary Negative Regulators
Offered (GS79Lxx Series)
Available in ±5% Accuracy
RoHS and Halogen Free Compliant and
100% Lead(Pb)-Free
Applications
Battery Powered Systems
Portable Consumer Equipment
Portable Computer
Radio Control Systems
Logic Systems
Power Adapter
Representative Schematic Diagram
15k
Q1
3.8K
Q3
Q4 Q6
Q5
Q10
1.2K
Z1 Q2
420
1.9k 19k 2.2K
C Q9
Q8
Q7
1.0K
Q11 Input
Q12
5.0K 3.0
Output
0-25K
2.85K
Ground
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Packages & Pin Assignments
GS78LxxYF
(SOT-89)
GS78LxxSF
(SOP-8)
GS78LxxNF
(TO-92)
PIN NO.
1
2
3
GS78L05YF
VIN
GND
VOUT
GS78L05YUF
GS78L12YUF
VOUT
GND
VIN
PIN NO.
1
8
2,3,6,7
4,5
GS78L05SF
GS78L12SF
VOUT
VIN
GND
NC
PIN NO.
1
2
3
GS78L05NF
GS78L12NF
VOUT
GND
VIN
Ordering Information
*Request for other voltages, please contact factory directly.
Marking Information
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Absolute Maximum Ratings
TA=+125ºC, unless otherwise noted.)
Symbol
VIN
Input Voltage
Parameter
PD Power Dissipation
θJA
TJ
TSTG
The Junction-To-Ambient Thermal Resistance
Operating Junction Temperature Range
Storage Temperature Range
Maximum
25
SOT-89
0.5
SOP-8
0.625
TO-92
0.5
SOT-89
200
SOP-8
160
TO-92
200
-20 to +120
-65 to +150
Unit
V
W
ºC/w
ºC
ºC
GS78L05 Electrical Characteristics
(VIN=10V, IOUT=40mA, CIN=0.33µ F, COUT=0.1µ F, 0ºC <TJ<+125ºC, unless otherwise noted.)
Symbol
Parameter
Test Conditions
Min Typ
VOUT
RegLINE
RegLOAD
VOUT
IB
IB
Output Voltage
Line Regulation
Load Regulation
Output Voltage
Input Bias
Current
Input Bias
Current Change
TJ=+25ºC
TJ=+25ºC, IOUT =40mA
7.0V VIN 20V,8.0V VIN 20V
TJ=+25ºC, 1.0mA IOUT 100mA
TJ=+25ºC, 1.0mA IOUT 40mA
7.0V VIN 20V,
1.0mA IOUT 40mA
VIN =10V, 1.0mA IOUT 70mA
TJ=+25ºC
TJ=+125ºC
8.0V VI 20V
1.0mA Io 40mA
4.8
--
--
--
--
4.75
4.75
--
--
--
--
5.0
55
45
11
5.0
--
--
3.8
--
--
--
VN
Output Noise
Voltage
TA=+25ºC, 10Hz f 100kHz
-- 40
RR
VIN-VOUT
Ripple Rejection
Dropout Voltage
IOUT=40mA, f=120Hz,
8.0V VIN 18V, TJ=+25ºC
TJ=+25ºC
41 49
-- 1.7
Max
5.2
150
100
60
30
5.25
5.25
6.0
5.5
1.5
0.1
--
Unit
V
mV
mV
mV
mV
V
mA
mA
µV
-- dB
-- V
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GS78L08 Electrical Characteristics
(VIN=14V, IOUT=40mA, CIN=0.33µ F, COUT=0.1µ F, 0ºC <TJ<+125ºC, unless otherwise noted.)
Symbol
Parameter
Test Conditions
Min Typ
VOUT
Output Voltage
TJ=+25ºC
7.6 8.0
RegLINE
Line Regulation
TJ=+25ºC, IOUT =40mA
10.5V VIN 23V,11V VIN 23V
--
--
10
8
RegLOAD
Load Regulation
TJ=+25ºC, 1.0mA IOUT 100mA
TJ=+25ºC, 1.0mA IOUT 40mA
--
--
15
8.0
VOUT
Output Voltage
10.5V VIN 23V,
1.0mA IOUT 40mA
VIN =14V, 1.0mA IOUT 70mA
7.6 --
7.6 --
IB
Input Bias
Current
TJ=+25ºC
TJ=+125ºC
-- 3.8
-- --
IB
Input Bias
Current Change
11V VI 23V
1.0mA Io 40mA
-- --
-- --
VN
Output Noise
Voltage
TA=+25ºC, 10Hz f 100kHz
-- 40
RR
VIN-VOUT
Ripple Rejection
Dropout Voltage
IOUT=40mA, f=120Hz,
8.0V VIN 18V, TJ=+25ºC
TJ=+25ºC
41 49
-- 1.7
Max
8.4
175
125
80
40
8.4
8.4
6.0
5.5
1.5
0.1
--
Unit
V
mV
mV
mV
mV
V
mA
mA
µV
-- dB
-- V
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GS78L12SF datasheet pdf
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GS78L12SF 3-Terminal Positive Voltage Regulator GS78L12SF
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