LP3996QSDX-1833NOPB datasheet(5/20 Pages) TI1

Part #	LP3996QSDX-1833NOPB

Description	Dual Linear Regulator with 300 mA and 150 mA Outputs and Power-On-Reset

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LP3996-Q1

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SNVSA17 – OCTOBER 2013

ELECTRICAL CHARACTERISTICS

(1) (2)

Unless otherwise noted, VEN = 950 mV, VIN = VOUT + 1.0V, or 2.0V, whichever is higher, where VOUT is the higher of VOUT1 and

VOUT2. CIN = 1 µF, IOUT = 1 mA, COUT1 = COUT2 = 1.0 µF.

Typical values and limits appearing in normal type apply for TA = 25°C. Limits appearing in boldface type apply over the full

junction temperature range for operation,

−40 to +125°C.

LIMIT

SYMBOL

PARAMETER

CONDITIONS

TYP

UNITS

MIN

MAX

VIN

Input Voltage

See(3)

2

6

V

ΔVOUT

Output Voltage Tolerance

IOUT = 1mA

1.5V < VOUT ≤ 3.3V

–2.5

+2.5

–3.75

+3.75

%

VOUT ≤ 1.5V

–2.75

+2.75

–4

+4

Line Regulation Error

VIN = (VOUT(NOM) + 1.0V) to 6.0V

0.03

0.3

%/V

Load Regulation Error

IOUT = 1 mA to 150 mA

85

155

(LDO 1)

µV/mA

IOUT = 1 mA to 300 mA

26

85

(LDO 2)

VDO

Dropout Voltage(4)

IOUT = 1 mA to 150 mA

110

220

(LDO 1)

mV

IOUT = 1 mA to 300 mA

210

550

(LDO 2)

IQ

Quiescent Current

LDO 1 ON, LDO 2 ON

35

100

IOUT1= IOUT2 = 0 mA

LDO 1 ON, LDO 2 OFF

45

110

IOUT1 = 150 mA

µA

LDO 1 OFF, LDO 2 ON

45

110

IOUT2 = 300 mA

LDO 1 ON, LDO 2 ON

70

170

IOUT1 = 150 mA, IOUT2 = 300 mA

VEN1 = VEN2 = 0.4V

0.5

10

nA

(1)

All Voltages are with respect to the potential at the GND pin.

(2)

Min and Max limits are specified by design, test or statistical analysis. Typical numbers are not ensured, but do represent the most likely

norm.

(3)

VIN(MIN) = VOUT(NOM) +0.5V, or 2.0V, whichever is higher.

(4)

Dropout voltage is voltage difference between input and output at which the output voltage drops to 100 mV below its nominal value.

This parameter only for output voltages above 2.0V

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