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HT7521-1 Datasheet(PDF) 7 Page - Holtek Semiconductor Inc

Part # HT7521-1
Description  100mA Low Power LDO
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT7521-1 Datasheet(HTML) 7 Page - Holtek Semiconductor Inc

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HT7544-1, +4.4V Output Type
Ta=25
°C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VIN
Conditions
VOUT
Output Voltage
6.4V
IOUT=10mA
4.268
4.4
4.532
V
IOUT
Output Current
6.4V
¾
60
100
¾
mA
DVOUT
Load Regulation
6.4V
1mA
£IOUT£50mA
¾
60
150
mV
VDIF
Voltage Drop (Note)
¾
IOUT=1mA,
DVOUT=2%
¾
100
¾
mV
ISS
Current Consumption
6.4V
No load
¾
2.5
5.0
mA
Line Regulation
¾
5.4V
£VIN£24V
IOUT=1mA
¾
0.2
¾
%/V
VIN
Input Voltage
¾¾
¾
¾
24
V
Temperature Coefficient
6.4V
IOUT=10mA
0
°C<Ta<70°C
¾±0.7
¾
mV/
°C
Note:
Dropout voltage is defined as the input voltage minus the output voltage that produces a 2% change in the
output voltage from the value at VIN =VOUT+2V with a fixed load.
HT7550-1, +5.0V Output Type
Ta=25
°C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VIN
Conditions
VOUT
Output Voltage
7.0V
IOUT=10mA
4.85
5.0
5.15
V
IOUT
Output Current
7.0V
¾
100
150
¾
mA
DVOUT
Load Regulation
7.0V
1mA
£IOUT£70mA
¾
60
150
mV
VDIF
Voltage Drop (Note)
¾
IOUT=1mA,
DVOUT=2%
¾
100
¾
mV
ISS
Current Consumption
7.0V
No load
¾
2.5
5.0
mA
Line Regulation
¾
6.0V
£VIN£24V
IOUT=1mA
¾
0.2
¾
%/V
VIN
Input Voltage
¾¾
¾
¾
24
V
Temperature Coefficient
7.0V
IOUT=10mA
0
°C<Ta<70°C
¾±0.75
¾
mV/
°C
Note:
Dropout voltage is defined as the input voltage minus the output voltage that produces a 2% change in the
output voltage from the value at VIN =VOUT+2V with a fixed load.
HT75XX-1
Rev. 1.80
7
March 25, 2010
D V O U T
D T a
D V O U T
D V I N ´ V O U T
D V O U T
D T a
D V O U T
D V I N ´ V O U T


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