NCV4949A datasheet(2/9 Pages) ONSEMI

Part #	NCV4949A

Description	100 mA, 5.0 V, Low Dropout Voltage Regulator with Reset and Sense

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Manufacturer	ONSEMI [ON Semiconductor]

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NCV4949A

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ABSOLUTE MAXIMUM RATINGS

Rating

Symbol

Value

Unit

DC Operating Supply Voltage

VCC

28

V

Transient Supply Voltage (t < 1.0 s)

VCC TR

40

V

Output Current

Iout

Internally

Limited

--

Output Voltage

Vout

20

V

Sense Input Current

ISI

1.0

mA

Sense Input Voltage

VSI

VCC

--

Output Voltages

V

Reset Output

VReset

20

Sense Output

VSO

20

Output Currents

mA

Reset Output

IReset

5.0

Sense Output

ISO

5.0

Preregulator Output Voltage

VZ

7.0

V

Preregulator Output Current

IZ

5.0

mA

ESD Protection at any pin

V

Human Body Model

--

4000

Machine Model

--

200

Thermal Resistance, Junction--to--Air

RθJA

C/W

D Suffix, SOIC--8 Plastic Package, Case 751

200

Operating Junction Temperature Range

TJ

--40 to +150

C

Storage Temperature Range

Tstg

--65 to +150

C

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the

Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect

device reliability.

ELECTRICAL CHARACTERISTICS (VCC =14 V, --40C<TA < 125C, unless otherwise specified.)

Characteristic

Symbol

Min

Typ

Max

Unit

Output Voltage (TA =25C, Iout =1.0 mA)

Vout

4.95

5.0

5.05

V

Output Voltage (6.0 V < VCC <28 V, 1.0 mA <Iout <50 mA)

Vout

4.9

5.0

5.1

V

Output Voltage (VCC = 35V,t< 1.0s,1.0 mA < Iout <50 mA)

Vout

4.9

5.0

5.1

V

Dropout Voltage

Vdrop

V

Iout =10 mA

--

0.1

0.25

Iout =50 mA

--

0.2

0.40

Iout = 100 mA

--

0.3

0.50

Input to Output Voltage Difference in Undervoltage Condition

VIO

--

0.2

0.4

V

(VCC =4.0 V, Iout =35 mA)

Line Regulation (6.0 V < VCC <28 V, Iout =1.0 mA)

Regline

--

1.0

20

mV

Load Regulation (1.0 mA < Iout < 100 mA)

Regload

--

8.0

30

mV

Current Limit

ILim

mA

Vout =4.5 V

105

200

400

Vout =0 V

--

100

--

Quiescent Current (Iout =0.3 mA, TA < 100C)

IQSE

--

150

260

mA

Quiescent Current (Iout = 100 mA)

IQ

--

5.0

mA

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