UNISONIC TECHNOLOGIES CO., ** **

**78DXX**

**LINEAR INTEGRATED CIRCUIT**

**www.unisonic.com.tw**

** **

1

**Copyright 2005 Unisonic Technologies Co.,**

QW-R101-005,F

3-TERMINALS 0.5A POSITIVE

VOLTAGE REGULATOR

DESCRIPTION

The UTC **78DXX** family is monolithic fixed voltage regulator

integrated circuit. They are suitable for applications that required

supply current up to 0.5 A.

FEATURE

*Output current up to 0.5 A

*Fixed output voltage of 3.3V,4.7V, 5V, 6V, 8V, 9V, 12V, 15V,18V

and 24V available

*Thermal overload shutdown protection

*Short circuit current limiting

*Output transistor SOA protection

TO-252

1

TO-251

1

*Pb-free plating product number:78DXXL

PIN CONFIGURATION

PIN NO.

PIN NAME

1 Input

2 GND

3 Output

ORDERING INFORMATION

Order Number

Normal Lead

free

Package Packing

78Dxx-TM3-T 78DxxL-TM3-T TO-251

Tube

78Dxx-TN3-R 78DxxL-TN3-R TO-252 Tape

Reel

78Dxx-TN3-T 78DxxL-TN3-T TO-252

Tube

Note: xx: Output Voltage, refer to below table.

MARKING INFORMATION

PACKAGE VOLTAGE CODE

MARKING

TO-251

TO-252

3 3 : 3 . 3 V

4 7 : 4 . 7 V

0 5 : 5 V

0 6 : 6 V

0 8 : 8 V

0 9 : 9 V

1 2 : 1 2 V

1 5 : 1 5 V

1 8 : 1 8 V

2 4 : 2 4 V

1

2

3

UTC

78DXXL

VOLTAGE CODE

DATE CODE

Space:Pb/Sn

L:Pb-free

**78DXX**

**LINEAR INTEGRATED CIRCUIT**

UNISONIC TECHNOLOGIES CO., LTD

2

** **

**www.unisonic.com.tw**

QW-R101-005. F

BLOCK DIAGRAM

3

1

2

GND

OUTPUT

INPUT

R13

R17

R9

Z2

T12

T14

R19

R18

R12

R11

R10

R8

T8

T9

T13

T10

R14

T11

T5

T6

R5

T4

Z1

R15

T15

R16

R1

R2

R4

C1

R6

T7

T3

T1

T2

R3

R7

TYPICAL APPLICATION CIRCUIT

UTC78DXX

3

2

1

C0

0.1

F

C1

0.33

F

Vi

Vo

Note:Bypass capacitors are recommended for optimum stability and transient response and should be located as

close as possible to the regulators.

**78DXX**

**LINEAR INTEGRATED CIRCUIT**

UNISONIC TECHNOLOGIES CO., LTD

3

** **

**www.unisonic.com.tw**

QW-R101-005. F

ABSOLUTE MAXIMUM RATINGS

(Operating temperature range applies unless otherwise specified. )

PARAMETER SYMBOL

RATINGS

UNIT

V

OUT

=3.3~18V

35 V

Input Voltage

V

OUT

=20~24V

V

IN

40 V

Output Current

I

OUT

0.5 A

Power Dissipation

P

D

Internally

Limited

W

Operating Temperature Range

T

OPR

-20 ~ +85

C

Operating Junction Temperature

T

J

0~+125

C

Storage Temperature Range

T

STG

-40 ~ +150

C

Note:1. Absolute maximum ratings are stress ratings only and functional device operation is not implied. The

device could be damaged beyond Absolute maximum ratings.

2. The device is guaranteed to meet performance specifications within 0

~70

operating temperature

range and assured by design from 20

~85

.

3.The maximum steady state usable output current are dependent on input voltage, heat sinking, lead length

of the package and copper pattern of PCB. The data are showed as electrical characteristics table

represents pulse test conditions with junction temperatures specified at the initiation of test.

ELECTRICAL CHARACTERISTICS

(T

J

=25

, P

D

7W, unless otherwise specified)

**For 78D33**

(V

IN

=8.5V, I

OUT

=0.5A, C1=0.33uF, C0=0.1uF)

PARAMETER SYMBOL

TEST

CONDITIONS

MIN

TYP

MAX UNIT

I

OUT

=5mA~0.5A 3.168

3.3

3.432

V

Output Voltage

V

OUT

V

IN

=5.8~18.3V,I

OUT

=5mA~0.5A 3.135 3.465

V

I

OUT

=5mA~0.5A

33

mV

Load Regulation

V

OUT

I

OUT

=5mA~200mA

17

mV

V

IN

=5.8~18.3V

33

mV

Line Regulation

V

OUT

V

IN

=5.8~18.3V,I

OUT

=0.5A

33

mV

Quiescent Current

I

Q

I

OUT

=0.5A

8

mA

V

IN

=5.8~18.3V

1

mA

Quiescent Current Change

I

Q

I

OUT

=5mA~0.5A

0.5

mA

Output Noise Voltage

eN

10Hz

f

100kHz

55

V

Temperature coefficient of V

OUT

V

OUT

/

T I

OUT

=5mA

-0.4

mV/

C

Ripple Rejection

RR

V

IN

=6.3~16.3V,f=120Hz

57

dB

Peak Output Current

I

PEAK

1.8

A

Short-Circuit Current

I

SC

V

IN

=35V

250

mA

Dropout Voltage

V

D

2 V

**For 78D47 **

(V

IN

=9.7V, I

OUT

=0.5A, C1=0.33uF, C0=0.1uF)

PARAMETER SYMBOL

TEST

CONDITIONS

MIN

TYP

MAX UNIT

I

OUT

=5mA~0.5A 4.512

4.7

4.888

V

Output Voltage

V

OUT

V

IN

=7.2~19.7V, I

OUT

=5mA~0.5A 4.465 4.935

V

I

OUT

=5mA~0.5A

47

mV

Load Regulation

V

OUT

I

OUT

=5mA~200mA

24

mV

V

IN

=7.2~19.7V

47

mV

Line Regulation

V

OUT

V

IN

=7.2~19.7V, I

OUT

=0.5A

47

mV

Quiescent Current

I

Q

I

OUT

=0.5A

8

mA

V

IN

=7.2~19.7V

1

mA

Quiescent Current Change

I

Q

I

OUT

=5mA~0.5A

0.5

mA

Output Noise Voltage

eN

10Hz

f

100kHz

40

V

Temperature coefficient of V

OUT

V

OUT

/

T I

OUT

=5mA

-0.6

mV/

C

Ripple Rejection

RR

V

IN

=7.7~17.7V, f=120Hz

62

80

dB

Peak Output Current

I

PEAK

1.8

A

Short-Circuit Current

I

SC

V

IN

=35V

250

mA

Dropout Voltage

V

D

2 V

**78DXX**

**LINEAR INTEGRATED CIRCUIT**

UNISONIC TECHNOLOGIES CO., LTD

4

** **

**www.unisonic.com.tw**

QW-R101-005. F

ELECTRICAL CHARACTERISTICS(Cont.)

**For 78D05**

(V

IN

=10V, I

OUT

=0.5A, C1=0.33uF, C0=0.1uF)

PARAMETER SYMBOL

TEST

CONDITIONS

MIN

TYP

MAX

UNIT

I

OUT

=5mA~0.5A 4.8

5

5.2

V

Output Voltage

V

OUT

V

IN

=7.5~20V,I

OUT

=5mA~0.5A 4.75

5.25

V

I

OUT

=5mA~0.5A

50

mV

Load Regulation

V

OUT

I

OUT

=5mA~200 mA

25

mV

V

IN

=7V~25V

50

mV

Line Regulation

V

OUT

V

IN

=7.5~20V, I

OUT

=0.5A

50

mV

Quiescent Current

I

Q

I

OUT

=0.5A

8

mA

V

UT

=7.5~20V

1

mA

Quiescent Current Change

I

Q

I

OUT

=5mA~0.5A

0.5

mA

Output Noise Voltage

eN

10Hz

f

100kHz

40 uV

Temperature coefficient of V

OUT

V

OUT

/

T I

OUT

=5mA

-0.6

mV/

C

Ripple Rejection

RR

V

IN

=8~18V,f=120Hz

62

80

dB

Peak Output Current

I

PEAK

1.2

A

Short-Circuit Current

I

SC

V

IN

=35V

250

mA

Dropout Voltage

V

D

2 V

**For 78D06 **

(V

IN

=11V, I

OUT

=0.5A, C1=0.33uF, C0=0.1uF)

PARAMETER SYMBOL

TEST

CONDITIONS

MIN

TYP

MAX

UNIT

I

OUT

=5mA~0.5A 5.76

6

6.24

V

Output Voltage

V

OUT

V

IN

=8.5~21V,I

OUT

=5mA~0.5A 5.7

6.3

V

I

OUT

=5mA~0.5A

60

mV

Load Regulation

V

OUT

I

OUT

=5mA~200mA

30

mV

V

IN

=8~25V

60

mV

Line Regulation

V

OUT

V

IN

=8.5~21V, I

OUT

=0.5A

60

mV

Quiescent Current

I

Q

I

OUT

=0.5A

8

mA

V

IN

=8.5~21V

1

mA

Quiescent Current Change

I

Q

I

OUT

=5mA~0.5A

0.5

mA

Output Noise Voltage

eN

10Hz

f

100kHz

45 uV

Temperature coefficient of V

OUT

V

OUT

/

T I

OUT

=5mA

-0.7

mV/

C

Ripple Rejection

RR

V

IN

=9~19V,f=120Hz

59

75

dB

Peak Output Current

I

PEAK

1.2

A

Short-Circuit Current

I

SC

V

IN

=35V

250 mA

Dropout Voltage

V

D

2 V

**For 78D08**

(V

IN

=14V, I

OUT

=0.5A, C1=0.33uF, C0=0.1uF)

PARAMETER SYMBOL

TEST

CONDITIONS

MIN

TYP

MAX

UNIT

I

OUT

=5mA~0.5A

7.68 8 8.32

V

Output Voltage

V

OUT

V

IN

=10.5~23V, I

OUT

=5mA~0.5A 7.6 8.4 V

I

OUT

=5mA~0.5A

80

mV

Load Regulation

V

OUT

I

OUT

=5mA~200mA

40

mV

V

IN

=10.5~25V

80

mV

Line Regulation

V

OUT

V

IN

=10.5~23V, I

OUT

=0.5A

80

mV

Quiescent Current

I

Q

I

OUT

=0.5A

8

mA

V

IN

=10.5~23V

1

mA

Quiescent Current Change

I

Q

I

OUT

=5mA~0.5A

0.5

mA

Output Noise Voltage

eN

10Hz

f

100kHz

58 uV

Temperature coefficient of V

OUT

V

OUT

/

T I

OUT

=5mA

-0.9 mV/

C

Ripple Rejection

RR

V

IN

=11.5~21.5V, f=120Hz

56

72

dB

Peak Output Current

I

PEAK

1.2 A

Short-Circuit Current

I

SC

V

IN

=35V

250

mA

Dropout Voltage

V

D

2 V

**78DXX**

**LINEAR INTEGRATED CIRCUIT**

UNISONIC TECHNOLOGIES CO., LTD

5

** **

**www.unisonic.com.tw**

QW-R101-005. F

ELECTRICAL CHARACTERISTICS(Cont.)

**For 78D09**

(V

IN

=15V, I

OUT

=0.5A, C1=0.33uF, C0=0.1uF)

PARAMETER SYMBOL

TEST

CONDITIONS

MIN

TYP

MAX

UNIT

I

OUT

=5mA~0.5A

8.64 9 9.36

V

Output Voltage

V

OUT

V

IN

=11.5~24V,I

OUT

=5mA~0.5A 8.55

9.45

V

I

OUT

=5mA~0.5A

90

mV

Load Regulation

V

OUT

I

OUT

=5mA~200mA

45

mV

V

IN

=11.5~25V

90

mV

Line Regulation

V

OUT

V

IN

=11.5~24V, I

OUT

=0.5A

90

mV

Quiescent Current

I

Q

I

OUT

=0.5A

8

mA

V

IN

=11.5~24V

1

mA

Quiescent Current Change

I

Q

I

OUT

=5mA~0.5A

0.5

mA

Output Noise Voltage

eN

10Hz

f

100kHz

58 uV

Temperature coefficient of V

OUT

V

OUT

/

T I

OUT

=5mA

-1.1

mV/

C

Ripple Rejection

RR

V

IN

=12.5~22.5V,f=120Hz 56

72

dB

Peak Output Current

I

PEAK

1.2 A

Short-Circuit Current

I

SC

V

IN

=35V

250

mA

Dropout Voltage

V

D

2 V

**For 78D12 **

(V

IN

=19V, , I

OUT

=0.5A, C1=0.33uF, C0=0.1uF)

PARAMETER SYMBOL

TEST

CONDITIONS

MIN

TYP

MAX

UNIT

I

OUT

=5mA~0.5A 11.52

12

12.48

V

Output Voltage

V

OUT

V

IN

=14.5~27V,I

OUT

=5mA~0.5A 11.4

12.6

V

I

OUT

=5mA~0.5A

120

mV

Load Regulation

V

OUT

I

OUT

=5mA~200mA

60

mV

V

IN

=14.5~30V

120

mV

Line Regulation

V

OUT

V

IN

=14.6~27V, I

OUT

=0.5A

120

mV

Quiescent Current

I

Q

I

OUT

=0.5A

8

mA

V

IN

=14.5~30V

1

mA

Quiescent Current Change

I

Q

I

OUT

=5mA~0.5A

0.5

mA

Output Noise Voltage

eN

10Hz

f

100kHz

75 uV

Temperature coefficient of V

OUT

V

OUT

/

T I

OUT

=5mA

-1.5

mV/

C

Ripple Rejection

RR

V

IN

=15~25V, f=120Hz

55

72

dB

Peak Output Current

I

PEAK

1.2

A

Short-Circuit Current

I

SC

V

IN

=35V

250

mA

Dropout Voltage

V

D

2 V

**For 78D15 **

(V

IN

=23V, I

OUT

=0.5A, C1=0.33uF, C0=0.1uF)

PARAMETER SYMBOL

TEST

CONDITIONS

MIN

TYP

MAX

UNIT

I

OUT

=5mA~0.5A

14.4 15 15.6

V

Output Voltage

V

OUT

V

IN

=17.5~30V, I

OUT

=5mA~0.5A 14.25 15.75

V

I

OUT

=5mA~0.5A

150

mV

Load Regulation

V

OUT

I

OUT

=5mA~200mA

75

mV

V

IN

=18.5~30V

150

mV

Line Regulation

V

OUT

V

IN

=17.5~30V, I

OUT

=0.5A

150

mV

Quiescent Current

I

Q

I

OUT

=0.5A

8

mA

V

IN

=17.5~30V

1

mA

Quiescent Current Change

I

Q

I

OUT

=5mA~0.5A

0.5

mA

Output Noise Voltage

eN

10Hz

f

100kHz

90 uV

Temperature coefficient of V

OUT

V

OUT

/

T I

OUT

=5mA

-1.8

mV/

C

Ripple Rejection

RR

V

IN

=18.5~28.5V, f=120Hz

54

70

dB

Peak Output Current

I

PEAK

1.2

A

Short-Circuit Current

I

SC

V

IN

=35V

250

mA

Dropout Voltage

V

D

2 V