TS317L datasheet(2/10 Pages) TSC

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TS317L

3-Terminal Adjustable Positive Voltage Regulator

2/10

Version: C14

Electrical Characteristics

(VI -VO = 5.0 V, Io=40mA; TJ =TLOW to THIGH see [Note 1]; PMAX per [Note 2]; unless otherwise specified.)

Parameter

Fig

Symbol

Min.

Typ.

Max.

Unit

Reference voltage, 3V ≤ VI-VO ≤ 40V

10mA

≤ Io ≤ Imax, P

≤ P

MAX,

VREF

1.20

1.25

1.30

Line regulation (Note 3)

TA = 25

oC, 3V≤ V

I-VO ≤40V

REGLINE

0.01

0.07

%/V

Load regulation TA = 25

oC, 10mA ≤ I

O ≤ Imax (Note 3)

REGLOAD

5.0

0.1

0.5

Thermal regulation, TA = 25

oC (Note 6), 20mS Pulse

REGTHERMAL

0.03

0.07

%Vo/W

Adjustment pin current

IADJ

100

µA

Adjustment pin current change, 3V ≤ VI - VO ≤ 40V

10mA ≤ IO ≤ IMAX, PD ≤ PMAX,

1.2

∆IADJ

0.2

5.0

µA

Maximum output current

IMAX

100

200

Temperature stability (TLOW ≤ TJ ≤ THIGH)

% Vo

Minimum load current to maintain regulation

(VI - VO = 40 V)

ILMIN

3.5

RMS Noise, % of VO, TA =25

oC, 10Hz ≤ f ≤ 10KHz

0.003

% Vo

Ripple Rejection, Vo =10V, f =120Hz (Note 4)

Without CADJ

CADJ = 10µF

PSRR

Long-term stability (Note 5), TJ= THIGH

TA =25

oC for endpoint measurements,1000hrs

0.3

1.0

Notes:

1. TLOW to THIGH = -20

oC to +125oC

2. PMAX, is internally limited

3. 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 cycle is used.

4. CADJ, when used, is connected between the adjustment pin and ground.

5. 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.

6. Power dissipation within an IC voltage regulator produces a temperature gradient on the die, affecting individual IC

components on the die. These effects can be minimized by proper integrated circuit design and layout techniques.

Thermal Regulation in the effect of these temperature gradients on the output voltage and is expressed in the

percentage of output change per watt of power change in a specified time.

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