TPS79801QDGNRQ1 datasheet(6/25 Pages) TI1

Part #	TPS79801QDGNRQ1

Description	50 mA, 3 V to 50 V, Micropower, Low-Dropout Linear Regulator

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Manufacturer	TI1 [Texas Instruments]

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0

20

40

60

80

100

120

10

20

30

40

50

60

VIN – Input Voltage – V

VOUT = 5 V

TJ(max) = 125°C

0JA = 50°C/W

IOUT = 5 m A

IOUT = 30 m A

IOUT = 50 m A

D C

O pe ra t io n

T ra ns ie nt

( <5 0 0 m s )

TPS79801-Q1, TPS79850-Q1

SLVS822E – MARCH 2009 – REVISED SEPTEMBER 2015

www.ti.com

Electrical Characteristics (continued)

VIN = VOUT(NOM) + 1 V or 4 V (whichever is greater for either fixed or adjustable versions), ILOAD = 1 mA, VEN = 3 V,

COUT = CIN = 2.2 μF (unless otherwise noted). For TPS79801, FB pin tied to VOUT. Typical values are at TJ = 25°C.

PARAMETER

TEST CONDITIONS

TJ

(1)

MIN

TYP

MAX

UNIT

Input reverse leakage

IRL

VIN = –60 V, VOUT = open, CIN open

Full range

6

mA

current(reverse battery test)

IRO

Reverse output current(10)

VOUT = VOUT(NOM), VIN = ground

25°C

19

25

μA

Shutdown, temperature increasing

135

Thermal shutdown temperature

TSD

°C

(TJ)

(11)

Reset, temperature decreasing

135

(10) Reverse output current is tested with the IN pin tied to ground and the output forced to VOUT(NOM) +0.1 V. This current flows into the

OUT pin and out of the GND pin and then measured.

(11) Specified by design

Figure 1. Safe Operating Area

6.6 Dissipation Ratings

(1)

DERATING FACTOR

TA ≤ 25°C

TA = 70°C

TA = 85°C

BOARD

PACKAGE

ABOVE TA = 25°C

POWER RATING

High-K(2)

DGN

16.6 mW/°C

1.83 W

1.08 W

0.833 W

(1)

See Thermal Considerations for more information related to thermal design.

(2)

The JEDEC High-K (1s) board design used to derive this data was a 4.5-inch × 3-inch, 2-layer board with 2-ounce copper traces on top

of the board.

6

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Product Folder Links: TPS79801-Q1 TPS79850-Q1

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