LD29300 View Datasheet(PDF) - South African Micro Electronic Systems

Part Name

Description

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LD29300

3A, Very low drop voltage regulators

South African Micro Electronic Systems 

LD29150

Electrical characteristics

Table 7.

Electrical characteristics of LD29300#50

(IO = 10mA, TJ = 25°C, VI = 7V, VINH = 2V (Note 3), CI = 330nF, CO = 10µF, unless otherwise

specified)

Symbol

Parameter

Test conditions

Min. Typ. Max. Unit

VO Output voltage

IO = 10mA to 3A, VI = 6 to 10.5V

TJ = -40 to 125°C

4.95 5 5.05

V

4.9

5.1

ΔVO Load regulation

ΔVO Line regulation

SVR Supply voltage rejection

IO = 10mA to 3A

VI = 6 to 13V

f = 120 Hz, VI = 7 ±1V, IO = 1.5A

(Note: 1)

0.2 1.0

%

0.06 0.5

%

49

64

dB

IO = 500mA, TJ = -40 to 125°C (Note 2)

VDROP Dropout voltage

IO = 1.5A, TJ = -40 to 125°C (Note 2)

IO = 3A, TJ = -40 to 125°C (Note 2)

IO = 1.5A, TJ = -40 to 125°C

Iq Quiescent current

IO = 3A, TJ = -40 to 125°C

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

Isc Short circuit current

VI - VO = 5.5V

VIL Control input logic low

OFF MODE, (Note 3), TJ = -40 to 125°C

VIH Control input logic high ON MODE, (Note 3), TJ = -40 to 125°C

2

IINH Control input current

TJ = -40 to 125°C, VINH = 13V

eN Output noise voltage

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

0.1

0.2

V

0.4 0.7

20

50

mA

45 100

130 180 µA

4.5

A

0.8

V

V

5

10

µA

200

µVRMS

Note: 1 Guaranteed by design.

2 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.

3 Only for version with Inhibit function.

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