HT7121-2 View Datasheet(PDF) - Holtek Semiconductor
Part Name
Description
MFG CO.
HT7121-2 Datasheet PDF : 15 Pages
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HT71xx-2
HT7125-2, +2.5V Output Type
Ta=25°C
Symbol
Parameter
Test Conditions
VIN
Conditions
Min. Typ. Max. Unit
VOUT
Output Voltage
4.5V IOUT=10mA
2.475 2.500 2.525
V
IOUT
Output Current
4.5V
—
20
30
—
mA
∆VOUT
Load Regulation
4.5V 1mA≤IOUT≤20mA
—
15
45
mV
VDIF
Voltage Drop (Note)
— IOUT=1mA, ∆VOUT=2%
—
35
100
mV
ISS
Current Consumption
4.5V No load
—
2.5
4.0
µA
D V OUT
D V IN ´ V O U T
Line Regulation
— 3.5V≤VIN≤30V, IOUT=1mA
—
0.1
0.2
%/V
VIN
Input Voltage
—
—
—
—
30
V
D V OUT
D T a ´ V OUT
Temperature Coefficient 4.5V IOUT=10mA, -40°C<Ta<85°C
—
±100
— ppm/°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.
HT7127-2, +2.7V Output Type
Ta=25°C
Symbol
Parameter
Test Conditions
VIN
Conditions
Min. Typ. Max. Unit
VOUT
Output Voltage
4.7V IOUT=10mA
2.673 2.700 2.727
V
IOUT
Output Current
4.7V
—
20
30
—
mA
∆VOUT
Load Regulation
4.7V 1mA≤IOUT≤20mA
—
15
45
mV
VDIF
Voltage Drop (Note)
— IOUT=1mA, ∆VOUT=2%
—
35
100
mV
ISS
Current Consumption
4.7V No load
—
2.5
4.0
µA
D V OUT
D V IN ´ V O U T
Line Regulation
— 3.7V≤VIN≤30V, IOUT=1mA
—
0.1
0.2
%/V
VIN
Input Voltage
—
—
—
—
30
V
D V OUT
D T a ´ V OUT
Temperature Coefficient 4.7V IOUT=10mA, -40°C<Ta<85°C
—
±100
— ppm/°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.
Rev. 1.00
4
April 10, 2013
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