KK317 datasheet(2/4 Pages) KODENSHI | THREE-TERMINAL ADJUSTABLE OUTPUT POSITIVE VOLTAGE REGULATORS

2 page

KK317

Electrical characteristics

(Vi-Vo= 5.0V, Io = 0.5 A, TJ = Tlow to Thigh (see Note 1); Imax = 1.5 A and Pmax = 20 W unless otherwise noted)

Characteristic

Symbol

Min

Typ

Max

Unit

Line Regulation (TA=+25

°C)

3.0V

≤ Vi - Vo ≤40 V

Regline

0.01

0.04

%/V

Load Regulation(TJ=+25

°C)

10mA

≤Io≤Imax,

Vin

≤5V

Vin

≥5 V

Regload

5.0

0.1

0.5

%/Vo

Thermal Regulation (TA=+25

°C)

20 ms Pulse

0.03

0.07

%/W

Adjustment Pin Current

IAdj

100

µA

Adjustment Pin Current Change

2.5

≤ Vi - Vo ≤ 40 V

10mA

≤IL≤ Imax, PD ≤ Pmax

∆IAdj

0.2

5.0

µA

Reference Voltage (Note 4)

3.0

≤ Vi - Vo ≤ 40 V

10mA

≤IL≤ Imax, PD ≤ Pmax

Vref

1.2

1.25

1.3

Line Regulation (Note 3)

3.0 V

≤ Vi - Vo ≤40 V

Regline

0.02

0.07

%/V

Load Regulation (Note 3)

10mA

≤Io≤Imax,

Vin

≤5V

Vin

≥5 V

Regload

0.3

1.5

%/V

Temperature Stability (Tlow

≤ Tj ≤ Ttigh)

0.7

Minimum Load Current to

Maintain Regulation (Vi - Vo = 40 V)

ILmin

3.5

Maximum Output Current

Vi - Vo

≤ 15 V , P ≤ 20 W

Vi - Vo = 40 V, P

≤20W, TA=+25°C

Imax

1.5

0.15

2.2

0.4

RMS Nose , % of Vo

TA=+25

°C, 10 Hz ≤ f ≤ 10 kHz

0.003

%/Vo

Ripple Rejection, Vo = 10 V, f = 120 Hz

(Note 5)

Without Cadj

Cadj = 10

µF

Long-Term Stability, Tj = Thigh (Note 6)

TA=+25

°C for Endpoint Measurements

0.3

1.0

%/1.0 k

Hrs.

Thermal Resistance Junction to Case

RθJC

5.0

°C/W

Notes:

(1) Tlow = 0

°C , Thigh = +125 °C

(2) Imax = 0.5 A , Pmax

(3) Load and line regulation are specified at constant junction tempereture. Changes in Vo due to heating effects must

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

(4) Selected devices with tightened tolerance reference voltage available.

(5) Cadj , when used, connected between the adjustment pin and ground.

(6) Since Long - Term Stability cannot be measured on each device before shipment, this specification is an

engineering estimate of average stability from lot to lot.

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