LDL1117 datasheet(6/23 Pages) STMICROELECTRONICS

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Electrical characteristics

TJ = 25 °C, VIN = VOUT + 1 V or 2.6 V, whichever is greater; CIN = 1 μF; COUT = 4.7 μF; IOUT = 10 mA.

Table 4. Electrical characteristics

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VIN

Operating input voltage

2.6

VUVLO

Turn-on threshold

2.3

2.4

Hysteresis

200

VOUT

VOUT accuracy

IOUT = 10 mA, TJ = 25 °C

-2

IOUT = 10 mA, -40 °C < TJ < 125°C

-3

∆VOUT

Line regulation

VOUT + 1 V (1) ≤ VIN ≤ 18 V,

IOUT = 10 mA -40 °C < TJ< 125 °C

0.002

0.02

%/V

∆VOUT

Load regulation

IOUT = 10 mA to 1.2 A,

- 40 °C < TJ < 125 °C

VDROP

Dropout voltage (2)

IOUT = 1.2 A, VOUT > 2.5 V

- 40°C < TJ < 125 °C

350

600

Output noise voltage

10 Hz to 100 kHz, IOUT = 100 mA

µVRMS/

VOUT

SVR

Supply voltage rejection

VIN = VOUT(NOM) +1 V ± VRIPPLE

VRIPPLE = 0.5 V, f = 120 Hz

VIN = VOUT(NOM) +1 V ± VRIPPLE

VRIPPLE = 0.5 V, f = 1 kHz

VIN= VOUT(NOM) +1 V ± VRIPPLE

VRIPPLE = 0.5 V, f = 100 kHz

Quiescent current

IOUT = 0 mA to 1.2 A, -40 °C < TJ < 125 °C

250

500

µA

ISC

Output current

1.5

TSHDN

Thermal shutdown

175

°C

Hysteresis

1. VIN = VOUT + 1 V or 2.6 V, whichever is greater.

2. Dropout voltage is the input-to-output voltage difference at which the output voltage is 100 mV below its nominal value; this

specification does not apply for nominal output voltages below 2.5 V.

LDL1117

Electrical characteristics

DS12022 - Rev 6

page 6/23

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