H73XX-A
250mA Low Power LDO
Features
Low power consumption
High input voltage (up to 15V)
Low voltage drop
Maximum output current: 250mA
Low temperature coefficient
Output voltage accuracy: tolerance ±2%
Ultra low quiescent current: 2μA(typ.)
TO92, SOT89, SOT23 and SOT23-3 package
Audio/Video equipment
Applications
Battery-powered equipment
Communication equipment
General Description
ranging from 2.5V to 5.0V. CMOS technology
low power high voltage regulators implemented in
ensures low voltage drop and low quiescent
CMOS technology. They allow input voltages as
current. Although designed primarily as fixed
high as 18V. The series features extremely low
voltage regulators, these devices can be used with
quiescent current which is typically 2μA. They are
available with several fixed output voltages
and currents.
Output Voltage
2.5V
2.8V
3.0V
3.3V
3.6V
4.0V
4.4V
5.0V
Package
Marking
TO92
SOT89
SOT23-3
SOT23
73XX-A(for TO92)
73XX-A(for SOT89)
3XX(for SOT23-3)
3XX(for SOT23)
SI
Part No.
H7325-A
H7328-A
H7330-A
H7333-A
H7336-A
H7340-A
H7344-A
H7350-A
external components to obtain variable voltages
PR
O
Selection Table
IN
The H73XX-A series is a set of three-terminal
Note:”XX” stands for output voltages. Other voltages can be specially customized.
Order Information
H73①②-A③④
Designator
① ②
③
④
Ver1.8
Symbol
Integer
T
P
N
M
R
G
Description
Output Voltage(2.5~5.0V)
Package:TO-92
Package:SOT89-3
Package:SOT23
Package:SOT23-3
RoHS / Pb Free
Halogen Free
1
Shanghai Siproin Microelectronics Co.
H73XX-A
250mA Low Power LDO
Block Diagram
SI
PR
O
IN
Pin Assignment
Absolute Maximum Ratings
Supply Voltage ................................-0.3V to 18V
Storage Temperature ..................-50℃ to 125℃
Operating Temperature .................-30℃ to 85℃
Note: These are stress ratings only. Stresses exceeding the range specified under “Absolute Maximum
Ratings” 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.
Thermal Information
Symbol
Parameter
θJA
Thermal Resistance (Junction to
Ambient) (Assume no ambient
airflow, no heat sink)
PD
Power Dissipation
Package
SOT23
Max.
500
Unit
℃/W
SOT89
TO92
SOT23
SOT89
TO92
200
200
0.20
0.50
0.50
℃/W
℃/W
W
W
W
Note: PD is measured at Ta= 25℃
Ver1.8
2
Shanghai Siproin Microelectronics Co.
H73XX-A
250mA Low Power LDO
Electrical Characteristics
H7325-A, +2.5V Output Type
Test Conditions
Symbol
Parameter
VIN
Conditions
Min.
Typ.
Max.
Unit
VOUT
Output Voltage
4.5V
IOUT=40mA
2.450
2.500
2.550
V
IOUT
Output Current
4.5V
-
-
250
-
mA
ΔVOUT
Load Regulation
4.5V
1mA≤IOUT≤60mA
-
45
90
mV
VDIF
Voltage
-
IOUT=40mA, ΔVOUT=2%
-
100
-
mV
4.5V
No load
-
2.0
3.0
μA
-
0.2
-
%/V
-
-
15
V
-
±0.5
-
mV/℃
Drop(Note)
ISS
Current
Consumption
-
VIN
Input Voltage
-
∆VOUT
∆Ta
Temperature
3.5V≤VIN≤12V
IN
Line Regulation
IOUT=40mA
-
IOUT=40mA
PR
O
∆VOUT
∆V IN × VOUT
Coefficient
4.5V
-40℃
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