78LXXS

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

5 of 6

www.unisonic.com.tw

QW-R101-057.C



ELECTRICAL CHARACTERISTICS (Cont.)

For UTC78L10S

(VIN=16V, IOUT=40mA, 0°C<TJ<150°C, C1=0.33μF, Co=0.1μF, unless otherwise specified)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Output Voltage

VOUT

TJ=25°C

9.6

10

10.4

V

12.5V≤VIN≤25V, IOUT=1mA-40mA

9.5

10.5

V

12.5V≤VIN≤VMAX, IOUT=1mA-70mA

9.5

10.5 V(Note 2)

Load Regulation

∆VOUT

TJ=25°C, IOUT=1mA-100mA

20

90

mV

TJ=25°C, IOUT=1mA-40mA

10

45

mV

Line regulation

∆VOUT

12.5V≤VIN≤25V, TJ=25°C

25

200

mV

14V≤VIN≤25V, TJ=25°C

20

170

mV

Quiescent Current

IQ

VIN=17V,IOUT=0mA, TJ=25°C

2.0

6.0

mA

Quiescent Current Change

IQ

12.5V≤VIN≤25V

1.5

mA

1mA≤IOUT≤40mA

0.1

mA

Output Noise Voltage

eN

10Hz≤f≤100kHz

74

μV

Temperature coefficient of VOUT

VO/T IOUT=5mA

1.7

mV/

C

Ripple Rejection

RR

15V≤VIN≤25V,f=120Hz, TJ=25°C

50

dB

Dropout Voltage

VD

TJ=25°C

1.7

V

For UTC78L12S

(VIN=19V, IOUT=40mA, 0°C<TJ<150°C, C1=0.33μF, Co=0.1μF, unless otherwise specified)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Output Voltage

VOUT

TJ=25°C

11.52

12

12.48

V

14.5V≤VIN≤27V, IOUT=1mA-40mA

11.40

12.60

V

14.5V≤VIN≤VMAX, IOUT=1mA-70mA

11.40

12.60 V(Note 2)

Load Regulation

VOUT

TJ=25°C, IOUT=1mA-100mA

25

100

mV

TJ=25°C, IOUT=1mA-40mA

12

50

mV

Line regulation

VOUT

14.5V≤VIN≤27V, TJ=25°C

25

300

mV

16V≤VIN≤27V, TJ=25°C

20

250

mV

Quiescent Current

IQ

VIN=19V, IOUT=0mA, TJ=25°C

2.0

6.5

mA

Quiescent Current Change

IQ

16V≤VIN≤27V

1.5

mA

1mA≤IOUT≤40mA

0.1

mA

Output Noise Voltage

eN

10Hz≤f≤100kHz

80

μV

Temperature coefficient of VOUT

VO/T IOUT=5mA

1.8

mV/

C

Ripple Rejection

RR

15V≤VIN≤25V, f=120Hz, TJ=25°C

50

dB

Dropout Voltage

VD

TJ=25°C

1.7

V

For UTC78L15S

(VIN=23V, IOUT=40mA, 0°C<TJ<150°C, C1=0.33μF, Co=0.1μF, unless otherwise specified)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Output Voltage

VOUT

TJ=25°C

14.40

15

15.60

V

17.5V≤VIN≤30V, IOUT=1mA-40mA

14.25

15.75

V

17.5V≤VIN≤VMAX, IOUT=1mA-70mA

14.25

15.75 V(Note 2)

Load Regulation

VOUT

TJ=25°C, IOUT=1mA-100mA

25

150

mV

TJ=25°C, IOUT=1mA-40mA

15

75

mV

Line Regulation

VOUT

17.5V≤VIN≤30V, TJ=25°C

25

150

mV

20V≤VIN≤30V, TJ=25°C

15

75

mV

Quiescent Current

IQ

VIN=23V,IOUT=0mA,TJ=25°C

2.2

6.5

mA

Quiescent Current Change

IQ

20V≤VIN≤30V

1.5

mA

1mA≤IOUT≤40mA

0.1

mA

Output Noise Voltage

eN

10Hz≤f≤100kHz

90

μV

Temperature Coefficient of VOUT

VO/T IOUT=5mA

2.0

mV/

C

Ripple Rejection

RR

18.5V≤VIN≤28.5V, f=120Hz, TJ=25°C

50

dB

Dropout Voltage

VD

TJ=25°C

1.7

V

Notes: 1. The Maximum steady state usable output current is dependent on input voltage, heat sinking, lead length

of the package and copper pattern of PCB.

2. Power dissipation<0.5W.