ST715 datasheet(7/24 Pages) STMICROELECTRONICS

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ST715

Electrical characteristics

TJ = 25 °C, VIN = VOUT(NOM) + 1 V, CIN = 0.1 µF, COUT = 1 µF, IOUT = 1 mA, VOUT = 3.3 V

unless otherwise specified.(1)

Table 7. Electrical characteristics - fixed version

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VIN

Operating input voltage

IOUT = 85 mA, TJ = -40 °C to 125 °C

VOUT

+VDRO

PTYP

IOUT

Output current

VIN = 4.3 to 24 V, TJ = -40 °C to 125 °C

VOUT

VOUT total accuracy

(1)

VIN = VOUT+1 to 24 V, IOUT = 0 to 85 mA,

TJ = -40 °C to 125 °C

-5

ΔVOUT Line regulation

VIN = 4.3 to 24 V, IOUT = 1 mA,

TJ = -40 °C to 125 °C

0.001

0.004

%/V

ΔVOUT Load regulation

IOUT =100 µA to 85 mA,

TJ = -40 °C to 125 °C

0.002

0.003

%/mA

VDROP

Dropout voltage(2)

IOUT = 85 mA, TJ= -40 °C to 125 °C

500

1000

Output noise voltage(3)

200 Hz to 100 kHz, IOUT = 50 mA,

COUT= 10 µF, TJ = -40 °C to 125 °C

210

µVRMS

SVR

Supply voltage rejection

VIN = VOUTNOM+1 V+/-

VRIPPLE, VRIPPLE = 0.2 V,

IOUT = 1 mA, COUT = 10 µF

f = 1 kHz

TJ = -40 °C to 125 °C

f = 100 kHz

Quiescent current

IOUT=0 mA to 85 mA,

TJ = -40 °C to 125 °C

3.75

4.5

µA

VIN=24 V

4.15

5.5

ISC

Short-circuit current

VOUT = 0, TJ =-40 °C to 125 °C VIN = 3.8 V

120

TON

Turn-on time (4)

VIN = 4.2 V, COUT = 10 µF, IOUT = 60 mA,

TJ = -40 °C to 125 °C

0.7

COUT

Output capacitor

Capacitance f = 100 kHz

0.47

µF

For VOUT(NOM) < 2 V, VIN = 2.5 V.

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 to output voltages below 2 V.

Guaranteed by design.

Turn-on time is time measured between the input just exceeding 90% of its final value and the output voltage just reaching

95% of its nominal value.

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