gsc2128 E-Tech Electronics LTD, gsc2128 Datasheet

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gsc2128

Manufacturer Part Number
gsc2128
Description
Cmos Low Dropout Voltage Regulator
Manufacturer
E-Tech Electronics LTD
Datasheet
G
Description
The GSC2128 series of positive, linear regulators feature low quiescent current (45 A typ.) with low dropout
voltage, making them ideal for battery applications.
Output voltages are set at the factory and trimmed to 1.5% accuracy.
These rugged devices have both Thermal Shutdown, and Current Fold-back to prevent device failure under
the “Worst” of operating conditions.
In applications requiring a low noise, regulated supply, place a 1000pF capacitor between Bypass and Ground.
The GSC2128 is stable with an output capacitance of 4.7 F or greater.
Features
Applications
Package Dimensions
Typical Application Circuit
G
&Guaranteed 1.5A output
&Over-Temperature Shutdown
&Current Limiting
&Short Circuit Current Fold-back
&Highly Accurate± 1.5%
&Low ‡ T emperature Coefficient
&Noise Reduction Bypass Capacitor
&Power-Saving Shutdown Mode
&Instrumentation
&Wireless Devices
&PC Peripherals
&Portable Electronics
&
&
Very Low Dropout Voltage
Battery Powered Widgets
S
S
C
C
2
2
1
1
2
2
8
8
C
C
M
M
O
O
S
S
L
L
o
o
w
w
D
D
Functional Block Diagram
r
r
o
o
p
p
REF.
o
o
C
D
A
B
E
F
u
u
t
t
V
V
o
o
Min.
5.80
4.80
3.80
0.40
0.19
0 C
l
l
Millimeter
t
t
a
a
g
g
e
e
Max.
6.20
5.00
4.00
0.90
0.25
R
R
8 C
e
e
g
g
u
u
l
l
REF.
a
a
M
H
K
G
L
J
ISSUED DATE :2005/06/21
REVISED DATE :2005/10/04B
t
t
o
o
r
r
Min.
0.10
0.35
1.35
Millimeter
0.375 REF.
1.27 TYP.
45 C
Max.
0.25
0.49
1.75
1/6

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gsc2128 Summary of contents

Page 1

... Description The GSC2128 series of positive, linear regulators feature low quiescent current (45 A typ.) with low dropout voltage, making them ideal for battery applications. Output voltages are set at the factory and trimmed to 1.5% accuracy. These rugged devices have both Thermal Shutdown, and Current Fold-back to prevent device failure under the “ ...

Page 2

Absolute Maximum Ratings Parameter Input Max Voltage Output Current Output Voltage Operating Ambient Temperature Junction Temperature Maximum Junction Temperature Thermal Resistance Internal Power Dissipation( T=100 : ) EDS Classification Electrical Characteristics Parameter Symbol V OUT Output Voltage (Note1) Output Current ...

Page 3

... Ordering Information ( contd. ) Part Number Marking 8B152 GSC2128-15 XXXX 8B252 GSC2128-25 XXXX 8B472 GSC2128-47 XXXX Characteristics Curve Output Voltage Part Number 1.5V GSC2128-18 2.5V GSC2128-33 4.75V GSC2128-50 ISSUED DATE :2005/06/21 REVISED DATE :2005/10/04B Marking Output Voltage 8B182 1.8V XXXX 8B332 3.3V XXXX 8B502 5.0V XXXX 3/6 ...

Page 4

ISSUED DATE :2005/06/21 REVISED DATE :2005/10/04B 115 : -45 : 4/6 ...

Page 5

ISSUED DATE :2005/06/21 REVISED DATE :2005/10/04B 5/6 ...

Page 6

... External Capacitors The GSC2128 is stable with an output capacitance to ground of 4 greater. Ceramic capacitors have the lowest ESR, and will offer the best AC performance. Conversely, Aluminum Electrolytic capacitors exhibit the highest ESR, resulting in the poorest AC response. Unfortunately, large value ceramic capacitors are comparatively expensive ...

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