
Features
Low power consumption
·
Low voltage drop
·
Low temperature coefficient
·
Applications
Battery-powered equipment
·
Communication equipment
·
General Description
The HT10XX is a set of three-terminal low
power voltage regulators implemented in CMOS
technology. It is available with a fixed output
voltages at 1.5V. CMOS technology ensures low
voltage drop and low quiescent current.
Selection Table
Part No. Output Voltage Tolerance
HT1015 1.5V
HT10XX
Voltage Regulator
Wide operating voltage (12V max.)
·
TO-92 and SOT-89 packages
·
Audio/Video equipment
·
Although designed primarily as fixed voltage
regulators, these devices can be used with ex
ternal components to obtain variable voltages
and currents.
±5%
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Block Diagram
VIN
V
ref
GND
VOUT
1 November 30, 1999

Pin Assignment
HT10XX
TO -92
H T10X X
GND
VIN
Front V iew
VOUT
Bottom View
SO T-89
GND
VIN
VOUT
Pad Assignment Pad Coordinates
Pad No. X Y
1
2
(0 ,0 )
1
GND
2 3
VIN
VOUT
3 575.8
-544.8 -553
-95.2 -555.6
Unit: mm
-547.6
Chip size: 1524 ´ 1524 (mm)
2
* The IC substrate should be connected to VDD in the PCB layout artwork.
Absolute Maximum Ratings
Supply Voltage...............................-0.3V to 13V
Power Consumption...............................250mW
Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maxi
mum 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 expo
sure to extreme conditions may affect device reliability.
Storage Temperature.................-50°Cto125°C
Operating Temperature ..................0°Cto70°C
2 November 30, 1999
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-

Electrical Characteristics
HT10XX
HT1015, +1.5V output type
Symbol Parameter
V
OUT
I
OUT
DV
OUT
V
DIF
I
SS
DDV
OUT
´
VV
IN OUT
V
IN
DDV
OUT
T
a
Output Voltage Tolerance 3.5V I
Output Current 3.5V
Load Regulation 3.5V
Voltage Drop
Current Consumption 3.5V No load
Line Regulation
Input Voltage
Temperature Coefficient 3.5V
Application Circuits
Basic circuits
V
IN
10mF
C1
Ta=25°C
Test Conditions
V
IN
Conditions
=0.5mA 1.425 1.5 1.575 V
OUT
¾
£7mA ¾
OUT
=0.5mA
£12V
IN
=0.5mA
¾
¾
1mA£I
I
OUT
2.5V£V
I
OUT
¾¾¾¾
I
=0.5mA
OUT
0°C<Ta<70°C
V
IN
HT10XX
Series
GND
V
OUT
Min. Typ. Max. Unit
7.0
¾
¾
¾
¾¾
80
¾
300
¾
2.2 5.0
0.2
¾
12 V
¾±0.25 ¾ mV/°C
V
OUT
C2
10mF
mA
mV
mV
mA
%/V
Com m on Com m on
Single point G N D
3 November 30, 1999

High output current positive voltage regulator
Tr1
HT10XX
V
IN
R1
10mF
Com m on Com m onSingle point G N D
Short-Circuit protection by Tr1
V
IN
R1
Com m on Com m on
Rs
C1
10mF
C1
Tr1
V
V
IN
HT10XX
V
OUT
OUT
Series
GND
V
IN
HT10XX
C2
10mF
V
V
OUT
OUT
Series
GND
C2
10mF
Single point G N D
4 November 30, 1999

Circuit for increasing output voltage
HT10XX
V
IN
V
IN
HT10XX
V
OUT
Series
10mF
C1
GND
I
SS
Common CommonSingle point G N D
V=V(1+
OUT XX SS
» V(1+
XX
V
IN
V
IN
HT10XX
R2
)+I R2
R1
R2
)
R1
V
OUT
Series
10mF
C1
GND
I
SS
D1
C2
10mF
C2
10mF
V
OUT
V
R1
XX
R2
V
OUT
V
XX
R1
Com m on Com m onSingle point G N D
V=V+V
OUT XX
D1
5 November 30, 1999

Constant current regulator
V
IN
Com m on
Dual supply
V
IN
C1
10mF
10mF
V
IN
C1
HT10XX
Series
GND
V
IC 2
IN
I=
OUT
V
V
HT10XX
Series
GND
IN
OUT
I
SS
V
XX
R
A
IC 1
HT10XX
Series
GND
C2
10mF
+I
R1
HT10XX
V
OUT
C2
V
10mF
SS
V
OUT
R
XX
C3
10mF
A
I
OUT
R
L
V
OUT1
V
OUT2
Com m on Com m on
6 November 30, 1999

HT10XX
Holtek Semiconductor Inc. (Headquarters)
No.3 Creation Rd. II, Science-based Industrial Park, Hsinchu, Taiwan, R.O.C.
Tel: 886-3-563-1999
Fax: 886-3-563-1189
Holtek Semiconductor Inc. (Taipei Office)
5F, No.576, Sec.7 Chung Hsiao E. Rd., Taipei, Taiwan, R.O.C.
Tel: 886-2-2782-9635
Fax: 886-2-2782-9636
Fax: 886-2-2782-7128 (International sales hotline)
Holtek Semiconductor (Hong Kong) Ltd.
RM.711, Tower 2, Cheung Sha Wan Plaza, 833 Cheung Sha Wan Rd., Kowloon, Hong Kong
Tel: 852-2-745-8288
Fax: 852-2-742-8657
Copyright Ó 1999 by HOLTEK SEMICONDUCTOR INC.
The information appearing in this Data Sheet is believed to be accurate at the time of publication. However, Holtek
assumes no responsibility arising from the use of the specifications described. The applications mentioned herein are
used solely for the purpose of illustration and Holtek makes no warranty or representation that such applications
will be suitable without further modification, nor recommends the use of its products for application that may pres
ent a risk to human life due to malfunction or otherwise. Holtek reserves the right to alter its products without prior
notification. For the most up-to-date information, please visit our web site at http://www.holtek.com.tw.
7 November 30, 1999
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