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GL2148 Datasheet(数据表) 2 Page - GTM CORPORATION

部件型号  GL2148
说明  1.5A CMOS LOW DROPOUT VOLTAGE REGULATOR
下载  5 Pages
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制造商  GTM [GTM CORPORATION]
网页  http://www.gtm.com.tw
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GL2148
Page: 2/5
ISSUED DATE :2004/11/05
REVISED DATE :2006/04/18B
Absolute Maximum Ratings
Parameter
Symbol
Ratings
Unit
Input Max Voltage
VIN
8
V
Output Current
IOUT
PD/( VIN- VO)
A
Output Voltage
VOUT
1.5~5.0
V
Operating Ambient Temperature
Topr
-40 ~ +85
:
Junction Temperature
Tj
-40 ~ +125
:
Maximum Junction Temperature
Tj Max
150
:
jc (Conductive Epoxy)*
25
/W
:
Thermal Resistance
ja
120
/W
:
Internal Power Dissipation
PD
900
mW
EDS Classification
B
*Measure jc on backside center of tab.
Electrical Characteristics VIN=VOUT(T)+2V, Ta=25 : unless otherwise noted
Parameter
Symbol
Condition
Min
TYP
Max
Unit
Output Voltage
VOUT(E)
(Note1)
IO
=1mA
-1.5% VOUT(T)
(Note2)
1.5%
V
Output Current
IO
VO>1.2V
1.5
-
-
A
Current Limit
ILIM
VO>1.2V
1.5
2.0
-
A
Load Regulation
REGLOAD
VIN=VOUT(T)+2V, IO=1mA to 1.5A
-1
0.2
1
%
1.4V<VOUT(T) 2.0V
-
-
1300
2.0V<VOUT(T) 2.8V
-
-
800
Dropout Voltage
VDROPOUT
IO
=1.5A
VO=VOUT(E)-2%
2.8V<VOUT(T)
-
-
600
mV
Quiescent Current
IQ
VIN= VOUT(T)+2V, IO=0mA
-
45
70
A
Ground Pin Current
IGND
VIN= VOUT(T)+2V, IO=1mA~1.5A
-
45
-
A
VOUT(T)<2.0V
-0.15
-
0.15
2.0V VOUT(T)<4.0V
-0.1
0.02
0.1
Line Regulation
REGLINE
IO
=1mA
VIN=VOUT(T)+1 to
VOUT(T)+2
4.0V VOUT(T)
-0.4
-
0.4
%
Input Voltage
VIN
Note3
-
7
V
Over Temperature Shutdown
OTS
-
150
-
:
Over Temperature Hysterisis
OTH
-
30
-
:
Output Voltage
Temperature Coefficient
TC
-
30
-
ppm/ :
Short Circuit Current
ISC
VIN=VOUT(T)+1V, VOUT<0.4V
-
750
-
mA
f=100Hz
-
70
-
f=1kHz
-
50
-
Power Supply Rejection
PSRR
I
o=100mA
Co=4.7 F
f=10kHz
-
20
-
dB
Output Voltage Noise
eN
f=10Hz~100kHz, Io=10mA, Co=4.7 F
-
30
-
Vrms
Note 1: VOUT (E) =Effective Output Voltage (i.e. the output voltage when “VOUT (T) + 2.0V” is provided at the VIN pin while maintaining a
certain IOUT value).
2: VOUT (T) =Specified Output Voltage
3: VIN (MIN) =VOUT+VDROPOUT
Ordering Information ( contd. )
Part Number
Marking
Output Voltage
Part Number
Marking
Output Voltage
GL2148-15
8V152
XXXX
1.5V
GL2148-18
8V182
XXXX
1.8V
GL2148-19
8V192
XXXX
1.9V
GL2148-25
8V252
XXXX
2.5V
GL2148-33
8V332
XXXX
3.3V
GL2148-47
8V472
XXXX
4.75V
GL2148-50
8V502
XXXX
5.0V




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