LD39050 datasheet(7/28 Pages) STMICROELECTRONICS

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LD39050

Electrical characteristics

TJ = 25 °C, VIN = 1.8 V, CIN = COUT = 1 µF, IOUT = 10 mA, VEN = VIN, unless otherwise

specified.

Table 5. Electrical characteristics for the LD39050 (adjustable)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VIN

Operating input voltage

1.5

5.5

VADJ

VADJ accuracy

IOUT = 10 mA, TJ = 25 °C

784

800

816

IOUT = 10 mA, -40 °C < TJ < 125 °C

776

800

824

IADJ

Adjustable pin current

µA

ΔVOUT Static line regulation

VOUT +1 V ≤ VIN ≤ 5.5 V,

IOUT = 1 mA

0.01

%/V

ΔVOUT Transient line regulation(1)

ΔVIN = 500 mV, IOUT = 10 mA,

tR = 5 µs

mVpp

ΔVIN = 500 mV, IOUT = 10 mA,

tF = 5 µs

ΔVOUT Static load regulation

IOUT = 10 mA to 500 mA

0.002

%/mA

ΔVOUT Transient load regulation(1)

IOUT = 10 mA to 500 mA, tR = 5 µs

mVpp

IOUT = 10 mA to 500 mA, tF = 5 µs

VDROP Dropout voltage

(2)

IO = 500 mA, VOUT fixed to 1.5 V

40 °C < TJ < 125 °C

200

400

Output noise voltage

10 Hz to 100 kHz, IOUT = 100 mA,

VOUT = 0.8 V

µVRMS

SVR

Supply voltage rejection

VOUT = 0.8 V

VIN = 1.8 V+/-VRIPPLE

VRIPPLE = 0.25 V,

frequency = 1 kHz

IOUT = 10 mA

VIN = 1.8 V+/-VRIPPLE

VRIPPLE = 0.25 V,

frequency =10 kHz

IOUT = 100 mA

Quiescent current

IOUT = 0 mA

µA

IOUT = 0 mA, -40 °C < TJ < 125 °C

IOUT = 0 to 500 mA

100

IOUT = 0 to 500 mA,

-40 °C<TJ<125 °C

200

VIN input current in OFF mode:

VEN = GND

(3)

0.001

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