LP3986TL-2528 datasheet(4/13 Pages) NSC

Part #	LP3986TL-2528

Description	Dual Micropower 150 mA Ultra Low-Dropout CMOS Voltage Regulators in micro SMD Package

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Manufacturer	NSC [National Semiconductor (TI)]

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Absolute Maximum Ratings (Notes 1,

2)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

V

IN,VEN

−0.3 to 6.5V

V

OUT

−0.3 to (V

IN+0.3V)

≤ 6.5V

Junction Temperature

150˚C

Storage Temperature

−65˚C to +150˚C

Pad Temp. (Note 3)

235˚C

Maximum Power Dissipation

(Note 4)

364mW

ESD Rating (Note 5)

Human Body Model

Machine Model

2kV

200V

Operating Ratings (Notes 1, 2)

V

IN

2.5 to 6V

V

EN

0to(V

IN+ 0.3V)

≤ 6V

Junction Temperature

−40˚C to +125˚C

Thermal Resistance

θ

JA

220˚C/W

Maximum Power Dissipation (Note 6)

250mW

Electrical Characteristics

Unless otherwise specified: V

IN =VOUT(nom) + 0.5V, CIN = 1 µF, IOUT = 1mA, COUT = 1 µF, CBYPASS = 0.01µF. Typical values

and limits appearing in standard typeface are for T

J = 25˚C. Limits appearing in boldface type apply over the entire junction

temperature range for operation, −40˚C to +125˚C. (Note 7) (Note 8)

Symbol

Parameter

Conditions

Typ

Limit

Units

Min

Max

∆V

OUT

Output Voltage

Tolerance

I

OUT = 1mA

−2.5

−3.0

2.5

3.0

%of

V

OUT(nom)

Line Regulation Error

(Note 9)

V

IN =(VOUT(nom) + 0.5V) to

6.0V,

I

OUT =1 mA

0.006

0.092

0.128

%/V

Load Regulation Error

(Note 10)

I

OUT = 1mA to 150 mA

0.003

0.006

0.01

%/mA

Output AC Line

Regulation

V

IN =VOUT(nom) + 1V,

I

OUT = 150 mA (Figure 1)

1.5

mV

P-P

PSRR

Power Supply Rejection

Ratio

V

IN = 3.1V,

f = 1 kHz,

I

OUT = 50mA(Figure 2)

60

dB

V

IN = 3.1V,

f = 10 kHz,

I

OUT = 50mA(Figure 2)

50

I

Q

Quiescent Current

Both Regulators ON

V

EN = 1.4V, IOUT =0 mA

115

200

µA

Both Regulators ON

V

EN = 1.4V, IOUT = 0 to 150

mA

220

320

One Regulator ON

V

EN = 1.4V IOUT =0 mA

75

130

One Regulator ON

V

EN = 1.4V IOUT = 0 to 150

mA

130

200

V

EN = 0.4V, Both Regulators

OFF (shutdown)

0.001

2

4

Dropout Voltage

(Note 11)

I

OUT =1mA

I

OUT = 150 mA

0.4

60

2

100

mV

I

SC

Short Circuit Current

Limit

Output Grounded

600

mA

I

OUT(PK)

Peak Output Current

V

OUT

≥ V

OUT(nom) - 5%

500

300

mA

T

ON

Turn-On Time

(Note 12)

C

BYPASS = 0.01 µF

200

µs

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