KA350 datasheet(2/8 Pages) FAIRCHILD | 3-Terminal 3A Positive Adjustable Voltage Regulator

2 page

KA350

Absolute Maximum Ratings

Electrical Characteristics

(VI-VO=5V, IO=1.5A, TJ=0

°C to + 125°C; PD ≤ PDMAX, unless otherwise specified)

Note:

1. Regulation is measured at constant junction temperature. Changes in output voltage due to heating effects must be taken

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

Parameter

Symbol

Value

Unit

Input Output Voltage Differential

VI - VO

VDC

Lead Temperature (Soldering, 10sec)

TLEAD

300

°C

Power Dissipation

Internally limited

Operating Temperature Range

TOPR

0 ~ +125

°C

Storage Temperature Range

TSTG

-65 ~ +150

°C

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Unit

Line Regulation (Note1)

Rline

TA = +25

°C, 3V ≤ VI -VO ≤ 35V

0.015

0.03

%/V

Load Regulation (Note1)

Rload

TA = +25

°C, 3V ≤ VI -VO ≤ 35V

≤ 5V

≥ 5V

-5

0.1

0.5

Adjustment Pin Current

IADJ

100

µA

Adjustment Pin Current

Change

∆IADJ

≤ VI -VO ≤ 35V,

10mA

≤ Io ≤ 3A, PD ≤ PMAX

0.2

5.0

µA

Thermal Regulation

REGT

Pulse = 20ms, TA =+ 25

°C

0.002

%/W

Reference Voltage

VREF

≤ VI -VO ≤ 35V, 10mA ≤ I O ≤ 3A,PD ≤ 30W 1.2

1.25

1.30

Line Regulation

Rline

3.0V

≤ VI -VO ≤ 35V

0.02

0.07

%/W

Load Regulation

Rload

10mA

≤ I O ≤ 3.0A

≤ 5.0V

≥ 5.0V

-20

0.3

1.5

Temperature Stability

STT

TJ = 0

°C to + 125°C-

1.0

Maximum Output

Current

Io(MAX)

VI -VO

≤ 10V, PD ≤ PMAX

3.0

4.5

VI -VO = 30V, PD

≤ PMAX,TA = +25°C

0.25

1.0

Minimum Load Current

IL(MIN)

VI -VO = 35V

3.5

RMS Noise, %of VOUT

10Hz

≤ f ≤ 10KHz, TA= +25 °C

0.003

%/Vo

Ripple Rejection

VO = 10V, f = 120Hz,

CADJ = 0

CADJ = 10

µF66

-dB

Long-Term Stability

TJ =+125

°C

0.3

1000HR

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