LD29080_07 datasheet(12/21 Pages) STMICROELECTRONICS

12 / 21 page

Electrical characteristics

LD29080 series

12/21

Note:

Guaranteed by design.

Dropout voltage is defined as the input-to-output differential when the output voltage drops

to 99% of its nominal value with VO+1V applied to VI.

Reference Voltage is measured between output and GND pins, with ADJ PIN tied to VO.

In order to avoid any output voltage rise within the whole operating temperature range, due

to output leakage current, a minimum load current of 2mA is required.

Table 10.

Electrical characteristics of LD29080#ADJ

IO = 10mA, (Note 4) TJ = 25°C, VI = 10V, VINH = 2V, CI = 330nF, CO = 10µF, unless otherwise

specified)

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Operating Input Voltage

IO = 10mA to 800mA

2.5

ΔVO

Load Regulation

IO = 10mA to 800mA

0.2

1.0

ΔVO

Line Regulation

VI = 2.5 to 13V, IO = 10mA

0.06

0.5

VREF

Reference voltage

IO = 10mA to 800mA, VI = 2.5 to 6.73V TJ

= -40 to 125°C (Note 3)

1.2177

1.23

1.2423

1.1993

1.2607

SVR

Supply Voltage Rejection

f = 120 Hz, VI = 3.23 ± 1V, IO = 400mA

(Note 1)

Quiescent Current

IO = 10mA, TJ = -40 to 125°C

IO = 400mA, TJ = -40 to 125°C

IO = 800mA, TJ = -40 to 125°C

VI = 13V, VINH = GND, TJ = -40 to 125°C

130

180

µA

IADJ

Adjust Pin Current

TJ = -40 to 125°C

µA

Isc

Short Circuit Current

RL = 0

1.2

VIL

Control Input Logic Low

OFF MODE, TJ = -40 to 125°C

0.8

VIH

Control Input Logic High

ON MODE, TJ = -40 to 125°C

IINH

Control Input Current

VINH = 13V, TJ = -40 to 125°C

µA

Output Noise Voltage

BP = 10Hz to 100KHz, IO = 100mA

µVRMS

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