HT71XX-1
30mA Low Power LDO
Features
· Low power consumption
· High input voltage (up to 24V)
· Low voltage drop
· Output voltage accuracy: tolerance ±3%
· Low temperature coefficient
· TO-92, SOT-89 and SOT-25 package
Applications
· Battery-powered equipment
· Audio/Video equipment
· Communication equipment
General Description
Although designed primarily as fixed voltage regulators,
these devices can be used with external components to
obtain variable voltages and currents.
The HT71XX-1 series is a set of three-terminal low
power high voltage regulators implemented in CMOS
technology. They allow input voltages as high as 24V.
They are available with several fixed output voltages
ranging from 3.0V to 5.0V. CMOS technology ensures
low voltage drop and low quiescent current.
Selection Table
Part No.
Output Voltage
HT7130-1
3.0V
HT7133-1
3.3V
HT7136-1
3.6V
HT7144-1
4.4V
HT7150-1
5.0V
Package
Marking
71XXA-1 (for TO-92)
71XX-1 (for SOT-89)
1XX1 (for SOT-25)
TO-92
SOT-89
SOT-25
²XX² stands for output voltages.
Note:
For lead free devices, TO-92 package will add a ²#² mark at the end of the date code, whereas SOT-89 &
SOT-25 packages will add a ²#² mark at the end of the marking.
Block Diagram
V IN
V O U T
V re f
G N D
Rev. 1.50
1
January 12, 2006
HT71XX-1
Pin Assignment
T O -9 2
S O T -8 9
7 1 X X A -1
S O T -2 5
N C
F r o n t V ie w
N C
7 1 X X -1
G N D
V IN
V O U T
B o tto m
G N D
V IN
G N D
V IN
T o p V ie w
1 X X 1
V O U T
G N D
V IN
V O U T
G N D
V IN
V O U T
V ie w
V O U T
Absolute Maximum Ratings
Supply Voltage .........................................-0.3V to 26V
Storage Temperature ...........................-50°C to 125°C
Power Consumption (*1) .................................. 200mW
Operating Temperature ..........................-40°C to 85°C
Power Consumption (*2) ...................................150mW
Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maximum Ratings² may
cause substantial damage to the device. Functional operation of this device at other conditions beyond those
listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability.
*1: applied to SOT-89 and TO-92
*2: applied to SOT-25
Electrical Characteristics
HT7130-1, +3.0V Output Type
Symbol
Parameter
Ta=25°C
Test Conditions
Conditions
VIN
Typ.
Max.
Unit
2.91
3
3.09
V
20
30
¾
mA
VOUT
Output Voltage
5V
IOUT
Output Current
5V
DVOUT
Load Regulation
5V
1mA£IOUT£20mA
¾
60
100
mV
VDIF
Voltage Drop
¾
IOUT=1mA
¾
100
¾
mV
Current Consumption
5V
No load
¾
2.5
5
mA
Line Regulation
¾
4V£VIN£24V
IOUT=1mA
¾
0.2
¾
%/V
Input Voltage
¾
¾
¾
¾
24
V
Temperature Coefficient
5V
¾
±0.45
¾
mV/°C
ISS
D V
D V
O U T
´ V
IN
O U T
VIN
D V D
D T
E T
a
Rev. 1.50
IOUT=10mA
Min.
¾
IOUT=10mA
0°C
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