LM317M_15 データシートの表示（PDF） - STMicroelectronics

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LM317M_15

Medium current 1.2 to 37 V adjustable voltage regulator

STMicroelectronics 

Electrical characteristics

LM217M, LM317M

4

Electrical characteristics

Refer to the test circuits, TJ = - 40 to 125 °C, VI - VO = 5 V, IO = 100 mA, PD ≤ 7.5 Ω, unless

otherwise specified.

Symbol

Table 4: LM217M electrical characteristics

Parameter

Test conditions

Min. Typ. Max. Unit

ΔVO Line regulation

TJ = 25 °C

VI - VO = 3 to 40 V

0.01 0.02

%/V

0.02 0.05

ΔVO Load regulation

VO ≤ 5 V

IO = 10 to 500 mA

VO ≥ 5 V

IO = 10 to 500 mA

TJ = 25 °C

TJ = 25 °C

5

15

mV

20 50

0.1 0.3 %/VO

0.3 1

IADJ

Adjustment pin

current

50 100 µA

ΔIADJ

Adjustment pin

current

VREF Reference voltage

ΔVO/VO

Output voltage

temperature stability

VI - VO = 3 to 40 V,

IO = 10 to 500 mA

VI - VO = 3 to 40 V,

IO = 10 to 500 mA

0.2

5

µA

1.2 1.25 1.3 V

0.7

%

IO(min)

Minimum load

current

VI - VO = 40 V

3.5 5 mA

IO(max)

Maximum output

current

VI - VO ≤ 15 V

500 1000

VI - VO = 40 V,

Pd < PDMAX,

TJ = 25 °C

mA

200

eN

Output noise voltage B = 10 Hz to 100 kHz,

(percentage of VO) TJ = 25 °C

0.003

%

SVR

Supply voltage

rejection (1)

TJ = 25 °C

f = 120 Hz

CADJ = 0

65

CADJ = 10 µF 66 80

dB

Notes:

(1)CADJ is connected between the adjustment pin and ground.

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