100mA Low Power LDO
Ver15 1 Mar 32010
Features
Low power consumption
Low voltage drop
Low temperature coefficient
High input voltage (up to 32V)
Output voltage accuracy tolerance ±2
TO92 and SOT89 package
Applications
Batterypowered equipment
Communication equipment
AudioVideo equipment
General Description
The HE75XXH series is a set of threeterminal low
power high voltage regulators implemented in
CMOS technology They allow input voltages as
high as 32V They are available with several fixed
output voltages ranging from 25V to 50V CMOS
technology ensures low voltage drop and low
quiescent current Although designed primarily as
fixed voltage regulators these devices can be
used with external components to obtain variable
voltages and currents
Selection Table
Part No Output Voltage Package Marking
HE7525Hxx 25V
TO92
SOT89
75XXH#(for TO92)
75XXH#(for SOT89)
HE7527Hxx 27V
HE7530Hxx 30V
HE7533Hxx 33V
HE7536Hxx 36V
HE7540Hxx 40V
HE7544Hxx 44V
HE7550Hxx 50V
NoteXX stands for output voltages
TO92 & SOT89 packages will add a # mark at the end of the marking
Order Information
HE75①②③④⑤
Designator Symbol Description
① ② Integer Output Voltage(25~50V)
③ H Standard
④ T PackageTO92
P PackageSOT89
⑤ R RoHS Pb Free
G Halogen Free
HE75XXH series
100mA Low Power LDO
Ver15 2 Mar 32010
Block Diagram
Pin Assignment
Absolute Maximum Ratings
Supply Voltage 03V to 32V
Operating Temperature 40℃ to 85℃
Storage Temperature 50℃ to 125℃
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 Package Max Unit
θ JA
Thermal Resistance (Junction to
Ambient) (Assume no ambient
airflow no heat sink)
TO92 200 ℃W
SOT89 200 ℃W
PD Power Dissipation TO92 050 W
SOT89 050 W
Note PD is measured at Ta 25℃
HE75XXH series
100mA Low Power LDO
Ver15 3 Mar 32010
Electrical Characteristics
HE7525Hxx +25V Output Type
Symbol Parameter
Test Conditions
Min Typ Max Unit
VIN Conditions
VOUT Output Voltage 8V IOUT10mA 2425 2500 2575 V
IOUT Output Current 8V 70 mA
ΔVOUT Load Regulation 8V 1mA≤IOUT≤20mA 60 100 mV
VDIF Voltage Drop(Note) IOUT1mA ΔVOUT2 100 mV
ISS Current Consumption 8V No load 25 50 μ A
OUTIN
OUT
VV
V
Line Regulation
35V≤VIN≤24V
IOUT1mA
02 V
VIN Input Voltage 32 V
Ta
VOUT
Temperature Coefficient 8V
IOUT10mA
0℃
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
HE7527Hxx +27V Output Type
Symbol Parameter
Test Conditions
Min Typ Max Unit
VIN Conditions
VOUT Output Voltage 8V IOUT10mA 2619 2700 2781 V
IOUT Output Current 8V 70 mA
ΔVOUT Load Regulation 8V 1mA≤IOUT≤20mA 60 100 mV
VDIF Voltage Drop(Note) IOUT1mA ΔVOUT2 100 mV
ISS Current Consumption 8V No load 25 50 μ A
OUTIN
OUT
VV
V
Line Regulation
37V≤VIN≤24V
IOUT1mA
02 V
VIN Input Voltage 32 V
Ta
VOUT
Temperature Coefficient 8V
IOUT10mA
0℃
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
HE75XXH series
100mA Low Power LDO
Ver15 4 Mar 32010
HE7530Hxx +30V Output Type
Symbol Parameter
Test Conditions
Min Typ Max Unit
VIN Conditions
VOUT Output Voltage 8V IOUT10mA 291 300 309 V
IOUT Output Current 8V 80 mA
ΔVOUT Load Regulation 8V 1mA≤IOUT≤20mA 60 100 mV
VDIF Voltage Drop(Note) IOUT1mA ΔVOUT2 100 mV
ISS Current Consumption 8V No load 25 50 μ A
OUTIN
OUT
VV
V
Line Regulation
4V≤VIN≤24V
IOUT1mA
02 V
VIN Input Voltage 32 V
Ta
VOUT
Temperature Coefficient 8V
IOUT10mA
0℃
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
HE7533Hxx +33V Output Type
Symbol Parameter
Test Conditions
Min Typ Max Unit
VIN Conditions
VOUT Output Voltage 8V IOUT10mA 3201 3300 3399 V
IOUT Output Current 8V 80 mA
ΔVOUT Load Regulation 8V 1mA≤IOUT≤20mA 60 100 mV
VDIF Voltage Drop(Note) IOUT1mA ΔVOUT2 100 mV
ISS Current Consumption 8V No load 25 50 μ A
OUTIN
OUT
VV
V
Line Regulation
45V≤VIN≤24V
IOUT1mA
02 V
VIN Input Voltage 32 V
Ta
VOUT
Temperature Coefficient 8V
IOUT10mA
0℃
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
HE75XXH series
100mA Low Power LDO
Ver15 5 Mar 32010
HE7536Hxx +36V Output Type
Symbol Parameter
Test Conditions
Min Typ Max Unit
VIN Conditions
VOUT Output Voltage 8V IOUT10mA 3492 3600 3708 V
IOUT Output Current 8V 80 mA
ΔVOUT Load Regulation 8V 1mA≤IOUT≤20mA 60 100 mV
VDIF Voltage Drop(Note) IOUT1mA ΔVOUT2 100 mV
ISS Current Consumption 8V No load 25 50 μ A
OUTIN
OUT
VV
V
Line Regulation
46V≤VIN≤24V
IOUT1mA
02 V
VIN Input Voltage 32 V
Ta
VOUT
Temperature Coefficient 8V
IOUT10mA
0℃
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
HE7540Hxx +40V Output Type
Symbol Parameter
Test Conditions
Min Typ Max Unit
VIN Conditions
VOUT Output Voltage 80V IOUT10mA 3880 4000 4120 V
IOUT Output Current 80V 80 mA
ΔVOUT Load Regulation 80V 1mA≤IOUT≤20mA 60 100 mV
VDIF Voltage Drop(Note) IOUT1mA ΔVOUT2 100 mV
ISS Current Consumption 80V No load 25 50 μ A
OUTIN
OUT
VV
V
Line Regulation
50V≤VIN≤24V
IOUT1mA
02 V
VIN Input Voltage 32 V
Ta
VOUT
Temperature Coefficient 80V
IOUT10mA
0℃
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
HE75XXH series
100mA Low Power LDO
Ver15 6 Mar 32010
HE7544Hxx +44V Output Type
Symbol Parameter
Test Conditions
Min Typ Max Unit
VIN Conditions
VOUT Output Voltage 8V IOUT10mA 4268 4400 4532 V
IOUT Output Current 8V 80 mA
ΔVOUT Load Regulation 8V 1mA≤IOUT≤20mA 60 100 mV
VDIF Voltage Drop(Note) IOUT1mA ΔVOUT2 100 mV
ISS Current Consumption 8V No load 25 50 μ A
OUTIN
OUT
VV
V
Line Regulation
54V≤VIN≤24V
IOUT1mA
02 V
VIN Input Voltage 32 V
Ta
VOUT
Temperature Coefficient 8V
IOUT10mA
0℃
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
HE7550Hxx +50V Output Type
Symbol Parameter
Test Conditions
Min Typ Max Unit
VIN Conditions
VOUT Output Voltage 8V IOUT10mA 485 500 515 V
IOUT Output Current 8V 100 mA
ΔVOUT Load Regulation 8V 1mA≤IOUT≤20mA 60 100 mV
VDIF Voltage Drop(Note) IOUT1mA ΔVOUT2 100 mV
ISS Current Consumption 8V No load 25 50 μ A
OUTIN
OUT
VV
V
Line Regulation
6V≤VIN≤24V
IOUT1mA
02 V
VIN Input Voltage 32 V
Ta
VOUT
Temperature Coefficient 8V
IOUT10mA
0℃
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
Application Circuits HE75XXH series
100mA Low Power LDO
Ver15 7 Mar 32010
Basic Circuits
High Output Current Positive Voltage Regulator
ShortCircuit Protection by Tr1
Circuit for Increasing Output Voltage HE75XXH series
100mA Low Power LDO
Ver15 8 Mar 32010
Circuit for Increasing Output Voltage
Constant Current Regulator
HE75XXH series
100mA Low Power LDO
Ver15 9 Mar 32010
Dual Supply
HE75XXH series
100mA Low Power LDO
Ver15 10 Mar 32010
Package Information
3pin TO92 Outline Dimensions
HE75XXH series
100mA Low Power LDO
Ver15 11 Mar 32010
3pin SOT89 Outline Dimensions
HE75XXH series
100mA Low Power LDO
Ver15 12 Mar 32010
Product Tape and Reel Specifications
3pin TO92 Reel Dimensions (Unit mm)
Reel Dimensions HE75XXH series
100mA Low Power LDO
Ver15 13 Mar 32010
Carrier Tape Dimensions HE75XXH series
100mA Low Power LDO
Ver15 14 Mar 32010
Note Thickness less than 038_005mm~05mm
P0 Accumulated pitch tolerance _1mm20pitches
( ) Bracketed figures are for consultation only
Carrier Tape Dimensions HE75XXH series
100mA Low Power LDO
Ver15 15 Mar 32010
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