LM2931D-R datasheet(8/23 Pages) STMICROELECTRONICS

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Electrical characteristics

LM2931XX - LM2931AXX33 - LM2931AXX50 - LM2931BXX50

8/23

Table 5.

Electrical characteristics of LM2931Axx50 (refer to the application circuit Figure 3,

TJ = 25 °C, CI = 0.1 µF, CO = 100 µF, VI = 14 V, IO = 10 mA, VINH = 0 V, unless otherwise

specified).

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Maximum operating input

voltage

IO = 10 mA, TJ = -40 to 125°C

Output voltage

4.81

5.19

Output voltage

IO = 100 mA, VI = 6 to 26 V

TJ = -40 to 125°C

4.75

5.25

ΔVO

Line regulation

VI = 9 to 16 V

VI = 6 to 26 V

ΔVO

Load regulation

IO = 5 to 100 mA

Dropout voltage (1) (2)

IO = 10 mA

200

IO = 100 mA

250

600

Quiescent current

ON MODE

IO = 100 mA

2.5

OFF MODE

VINH = 2.5 V, RLOAD = 500 Ω

0.3

ISC

Short circuit current

100

300

SVR

Supply voltage rejection

IO = 100 mA, VI = 14 ± 2 V

f = 120 Hz, TJ = -40 to 125°C

VIL

Control input voltage low

TJ = -40 to 125°C

1.2

VIH

Control input voltage high

TJ = -40 to 125°C

3.25

IINH

Inhibit input current

VINH = 2.5 V

µA

Transient input voltage

RLOAD = 500 Ω, τ < 100ms

Reverse polarity input

voltage

VO = ± 0.3 V, RLOAD = 500 Ω

-15

-50

Reverse polarity input

voltage transient

RLOAD = 500 Ω, τ < 100ms

-50

Output noise voltage

B =10 Hz to 100 kHz

500

µVRMS

Reference voltage is measured from VOUT to ADJ pin.

Vd measured when the output voltage has dropped 100 mV from the nominal value obtained at 14 V.

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