LP38693QSD-2.5 datasheet(6/34 Pages) TI1

Part #	LP38693QSD-2.5

Description	Low-Dropout CMOS Linear Regulators Stable

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Manufacturer	TI1 [Texas Instruments]

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LP38691, LP38693, LP38691-Q1, LP38693-Q1

SNVS321O – JANUARY 2005 – REVISED DECEMBER 2015

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Electrical Characteristics (continued)

Unless otherwise specified, limits apply for TJ = 25°C, VIN = VOUT + 1 V, CIN = COUT = 10 µF, ILOAD = 10 mA. Minimum and

maximum limits are specified through testing, statistical correlation, or design.

PARAMETER

TEST CONDITIONS

MIN

TYP(1)

MAX

UNIT

VIN ≤ 10 V, IL =100 µA - 0.5 A

55

VIN ≤ 10 V, IL =100 µA - 0.5 A

IQ

Quiescent current

100

Full operating temperature range

µA

VEN ≤ 0.4 V, (LP38693 Only)

0.001

1

VIN – VO ≤ 4 V

IL(MIN)

Minimum load current

100

Full operating temperature range

VIN – VO > 5 V

350

IFB

Foldback current limit

mA

VIN – VO < 4 V

850

PSRR

Ripple rejection

VIN = VO + 2 V(DC), with 1 V(p-p) / 120-Hz Ripple

55

dB

Thermal shutdown activation

TSD

160

(junction temp)

°C

TSD

Thermal shutdown hysteresis

10

(HYST)

(junction temp)

BW = 10 Hz to 10 kHz

en

Output noise

0.7

µV/

√Hz

VO = 3.3 V

VO (LEAK) Output leakage current

VO = VO(NOM) + 1 V at 10 VIN

0.5

12

µA

Output = OFF

0.4

Full operating temperature range

Output = ON, VIN = 4 V

1.8

Full operating temperature range

Enable voltage (LP38693

VEN

V

Only)

Output = ON, VIN = 6 V

3

Full operating temperature range

Output = ON, VIN = 10 V

4

Full operating temperature range

Enable pin leakage

VEN = 0 V or 10 V, VIN = 10 V

IEN

–1

0.001

1

µA

(lLP38693 only)

6

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Product Folder Links: LP38691 LP38693 LP38691-Q1 LP38693-Q1

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