LD39130S datasheet(9/27 Pages) STMICROELECTRONICS

部品番号	LD39130S

部品情報	Portable media players

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DocID025199 Rev 2

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LD39130S

Maximum ratings

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

otherwise specified.

Table 6. LD39130S electrical characteristics (adjustable version)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VIN

Operating input voltage

1.4

5.5

V

VADJ

VADJ accuracy

(fixed normal mode)

IOUT = 5 mA, TJ = 25 °C

780

800

820

mV

IOUT = 5 mA, VGM = VIN ,-40 °C < TJ < 125 °C

770

800

830

mV

ΔVOUT

Static line regulation

(normal mode)

VOUT + 0.5 V ≤ VIN ≤ 5.5 V, IOUT = 10 mA

VIN > 1.4 V

0.02

0.20

%/V

Static line regulation

(green mode)

VOUT + 0.5V ≤ VIN ≤ 5.5 V, IOUT = 1 mA

VIN > 1.4 V

0.20

%/V

ΔVOUT Static load regulation

VOUT > 2 V, IOUT = 1 mA to 12 mA

-1.5

1.5

%

10 mA to 300 mA (normal mode)

0.004

%/mA

VDROP Dropout voltage

(1)

IOUT = 300 mA, VOUT > 2 V

-40 °C < TJ < 125 °C

300

mV

eN

Output noise voltage

10 Hz to 100 kHz, IOUT = 1 mA

97

µVRMS

10 Hz to 100 kHz, IOUT = 15 mA

41

SVR

Supply voltage

rejection VOUT = 1.5V

(normal mode)

VIN = VOUTNOM + 1 V + / - VRIPPLE

VRIPPLE = 0.1 V freq. = 1 kHz

IOUT = 30 mA

70

dB

VIN = VOUTNOM + 0.5 V + / - VRIPPLE

VRIPPLE = 0.1 V, Freq. = 10 kHz

IOUT = 30 mA

65

IQ

Quiescent current

(normal mode)

IOUT = 10 mA

45

µA

Quiescent current

(Green mode)

IOUT = 0 mA

0.8

4

µA

IStandby Standby current

VIN input current in OFF MODE:

VEN = GND

0.1

1

µA

IADJ

Adjust pin current

1µA

ISC

Short-circuit current

RL = 0 (current foldback protection)

50

mA

IOUT

Output current

300

mA

VEN

Enable input logic low

VIN = 1.4 V to 5.5 V, -40 °C < TJ < 125 °C

0.4

V

Enable input logic high

VIN = 1.4 V to 5.5 V, -40 °C < TJ < 125 °C

1

IEN

Enable pin input

current

VSHDN = VIN

100

nA

IGH

Normal mode switch

threshold

Change from light load to normal load

VGM = GND

10

mA

IGL

Green mode switch

threshold

Change from normal load to light load

VGM= GND

12

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