ABSOLUTE MAXIMUM RATINGS (Ta=25℃)

Characteristic

Symbol

Value

Unit

Input voltage

Vi

-35

V

Thermal resistance junction-air

65

℃/W

Thermal resistance junction-cases

5

℃/W

Operating Temperature

Topr

0~+125

℃

Storage Temperature

Tstg

-65~+150

℃

Note:

1.

Thermal resistance test board

Size: 76.2mmX114.3mmX1.6mm(1S0P)

JEDEC standard: JESD51-3, JESD51-7

2.

Assume no ambient airflow

SK7905AG/SK7905U ELECTRICAL CHARACTERISTICS

(Refer to test circuits,0<Tj<125

C,Io=500mA,Vi=-10V,Ci=2.2F, Co=1F, unless otherwise specified)

Characteristic

Symbol

Test Conditions

Min

Typ

Max

Units

Output voltage

Vo

Tj=25

C

-4.8

-5.0

-5.2

V

5mA<Io<1A, Po<15W

Vi=-7V to -20V

-4.75

-5.0

-5.25

Line regulation(Note)

Vo

Tj=25

C,Vi=-7V to -25V

-

35

100

mV

Tj=25

C,Vi=-8V to -12V

-

8

50

Load regulation(Note)

Vo

Tj=25

C,Io=5mA to 1.5A

-

10

100

mV

Tj=25

C,Io=250mA to 750mA

-

3

50

Quiescent current

IQ

Tj=25

C

-

3

6

mA

Quiescent current change

IQ

Io=5mA to 1A

-

0.05

0.5

mA

Vi=-8V to -25V

-

0.1

0.8

Temperature coefficient of VD

Vo/T

Io=5mA

-

0.5

-

mV/℃

Output noise voltage

VN

f=10Hz to 100kHz,Ta=25

C

-

40

-

V

Ripple rejection

RR

f=120Hz,

Vi=10V

54

60

-

dB

Dropout voltage

VD

Io=1A,Tj=25

C

-

2

-

V

Short circuit current

Isc

Vi=-35V,Tj=25

C

-

10

-

mA

account separately. Pulse testing with low duty is used.

REV.08

3 TERMINAL 1.5A NEGATIVE VOLTAGE REGULATOR

SK79series