LM317LBDR2 datasheet(3/12 Pages) ONSEMI

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LM317L

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ELECTRICAL CHARACTERISTICS (VI−VO = 5.0 V; IO = 40 mA; TJ = Tlow to Thigh (Note 1); Imax and Pmax (Note 2);

unless otherwise noted.)

LM317L, LB

Characteristics

Figure

Symbol

Min

Typ

Max

Unit

Line Regulation (Note 3)

TA = 25°C, 3.0 V ≤ VI − VO ≤ 40 V

Regline

−

0.01

0.04

%/V

Load Regulation (Note 3), TA = 25°C

10 mA

≤ IO ≤ Imax − LM317L

VO ≤ 5.0 V

VO ≥ 5.0 V

Regload

−

5.0

0.1

0.5

% VO

Adjustment Pin Current

IAdj

−

100

Adjustment Pin Current Change

2.5 V

≤ VI − VO ≤ 40 V, PD ≤ Pmax

10 mA

≤ IO ≤ Imax − LM317L

1, 2

DIAdj

−

0.2

5.0

Reference Voltage

3.0 V

≤ VI − VO ≤ 40 V, PD ≤ Pmax

10 mA

≤ IO ≤ Imax − LM317L

Vref

1.20

1.25

1.30

Line Regulation (Note 3), 3.0 V

≤ VI − VO ≤ 40 V

Regline

−

0.02

0.07

%/V

Load Regulation (Note 3)

10 mA

≤ IO ≤ Imax − LM317L

VO ≤ 5.0 V

VO ≥ 5.0 V

Regload

−

0.3

1.5

% VO

Temperature Stability (Tlow ≤ TJ ≤ Thigh)

−

0.7

−

% VO

Minimum Load Current to Maintain Regulation (VI − VO = 40 V)

ILmin

−

3.5

Maximum Output Current

VI − VO ≤ 6.25 V, PD ≤ Pmax, Z Package

VI − VO ≤ 40 V, PD ≤ Pmax, TA = 25°C, Z Package

Imax

100

−

200

−

RMS Noise, % of VO

TA = 25°C, 10 Hz ≤ f ≤ 10 kHz

−

0.00

−

% VO

Ripple Rejection (Note 4)

VO = 1.2 V, f = 120 Hz

CAdj = 10 mF, VO = 10.0 V

−

Long Term Stability, TJ = Thigh (Note 5)

TA = 25°C for Endpoint Measurements

−

0.3

1.0

%/1.0 k

Hrs.

3. Tlow to Thigh = 0° to +125°C for LM317L

−40

° to +125°C for LM317LB

4. Imax = 100 mA

Pmax = 625 mW

5. 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.

6. CAdj, when used, is connected between the adjustment pin and ground.

7. 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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