KA7905TU Просмотр технического описания (PDF) - Fairchild Semiconductor

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KA7905TU

3-Terminal 1A Negative Voltage Regulator

Fairchild Semiconductor 

KA79XX/KA79XXA

Electrical Characteristics (KA7915A) (Continued)

(VI = -23V, IO = 500mA, 0°C ≤TJ ≤ +125°C, CI =2.2μF, CO =1μF, unless otherwise specified.)

Parameter

Output Voltage

Line Regulation (Note1)

Load Regulation (Note1)

Quiescent Current

Quiescent Current Change

Temperature Coefficient of VD

Output Noise Voltage

Ripple Rejection

Dropout Voltage

Short Circuit Current

Peak Current

Symbol

VO

ΔVO

ΔVO

IQ

ΔIQ

ΔVo/ΔT

VN

RR

VD

ISC

IPK

Conditions

TJ = +25°C

IO = 5mA to 1A, PO ≤ 15W

VI = -18V to -30V

TJ =+25°C

VI = -17.5V to -30V

Io = 1A

VI = -20V to -26V

Io = 1A

VI = -17.9V to -30V

VI = -20V to -26V, Io = 1A

TJ = +25°C, IO = 5mA to 1.5A

TJ = +25°C, IO = 250mA to 750mA

TJ =+25°C

IO = 5mA to 1A

VI = -18.5V to -30V

IO = 5mA

f = 10Hz to 100kHz, TA =+25°C

f = 120Hz, ΔVI = 10V

TJ = +25°C, IO = 1A

TJ =+25°C, VI = -35V

TJ =+25°C

Min. Typ. Max. Unit

-14.7 -15 -15.3

V

-14.4 -15 -15.6

- 12 150

- 6 75 mV

- 12 150

- 6 150

- 12 150

mV

- 4 75

- 3 6 mA

- 0.05 0.5

mA

- 0.1 1

- -0.9 - mV/°C

- 250 - μV

54 60 - dB

-2-

V

- 300 - mA

- 2.2 -

A

Note

1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken

into account separately. Pulse testing with low duty is used.

11

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