Electrical Characteristics（78D08）

(Refer to the test circuits, 0 < TJ < +125°C, IO=350mA, VI=14V, unless otherwise specified,

CI = 0.33μF, CO=0.1μF)

Parameter

Symbol

Conditions

Value

Unit

Min

Typ

Max

Output Voltage

VO

IO= 5mA～350mA

VI＝10.5～23V

7.6

8

8.4

V

Line Regulation(Note)

△V

O

IO = 200mA

Tj

＝25°C

VI＝10.5V～25V

100

mV

VI＝11V～25V

50

Load Regulation(Note)

△V

O

Tj

＝25°C

IO= 5mA～500mA

160

mV

IO= 5mA～200mA

80

Quiescent Current

IQ

Tj

＝25°C

8.0

mA

Quiescent Current Change

△I

Q

IO=5mA～350mA

0.5

mA

IO = 200mA，VI＝10.5～25V

0.8

Output Voltage Drift

△V /△T

IO = 5mA ，Tj = 0

～125°C

-0.8

mV/°C

Output Noise Voltage

VN

f

＝10HZ～100KHZ

52

μV

Ripple Rejection

RR

f = 120Hz, VI = 11.5～ 21.5V

80

dB

Dropout Voltage

VD

T j =25°C, IO = 500mA

2

V

Short Circuit Current

ISC

T j =25

, VI= 35V

800

mA

Peak Current

IPK

T j

=25°C

900

mA

Notes:

Load and line regulation are specified at constant junction temperature. Change in Vo due to heating

effects must be taken into account separately. Pulse testing with low duty is used.

www.umw-ic.com

友台半导体有限公司

www.umw-ic.com

友台半导体有限公司

4

78DXX

UMW

R