TPS7A4701RGWT datasheet(7/31 Pages) TI1

Part #	TPS7A4701RGWT

Description	36-V, 1-A, 4-VRMS, RF LDO Voltage Regulator

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Manufacturer	TI1 [Texas Instruments]

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7 / 31 page

TPS7A4700, TPS7A4701

www.ti.com

SBVS204F – JUNE 2012 – REVISED SEPTEMBER 2014

6.5 Electrical Characteristics

At –40°C

≤ TJ ≤ 125°C; VI = VO(nom) + 1.0 V or VI = 3.0 V (whichever is greater); VEN = VI; IO = 0 mA; CIN =10 µF; COUT = 10

µF; CNR = 10 nF; SENSE/FB tied to OUT; and 0P1V, 0P2V, 0P4V, 0P8V, 1P6V, 3P2V, 6P4V1, 6P4V2 pins OPEN, unless

otherwise noted.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VI

Input voltage range

3

35

V

VI rising

2.67

V

VUVLO

Under-voltage lockout threshold

VI falling

2.5

V

V(REF)

Reference voltage

V(REF) = V(FB), TPS7A4701 only

1.4

V

VUVLO(HYS)

Under-voltage lockout hysteresis

177

mV

TPS7A4700, TPS7A4701 using ANY-OUT

VOUT

V

option

VNR

Noise reduction pin voltage

TPS7A4701 in adjustable mode only

1.4

V

TPS7A4700,

TPS7A4701

1.4

20.5

V

using ANY-

VI ≥ VO(nom) + 1.0 V or 3 V

OUT option

Output voltage range

(whichever is greater),

TPS7A4701

COUT = 20 µF

using

VO

1.4

34

V

adjustable

option

Nominal accuracy

TJ = 25°C, COUT = 20 µF

–1.0

1.0

%VO

VO(nom) + 1.0 V ≤ VI ≤ 35 V,

Overall accuracy

–2.5

2.5

%VO

0 mA

≤ IO ≤ 1 A, COUT = 20 µF

ΔVO(ΔVI)

Line regulation

VO(nom) + 1.0 V ≤ VI ≤ 35 V

0.092

%VO

ΔVO(ΔIO)

Load regulation

0 mA

≤ IO ≤ 1 A

0.3

%VO

VI = 95% VO(nom), IO = 0.5 A

216

mV

V(DO)

Dropout voltage

VI = 95% VO(nom), IO = 1 A

307

450

mV

I(CL)

Current limit

VO = 90% VO(nom)

1

1.26

A

IO = 0 mA

0.58

1.0

mA

I(GND)

Ground pin current

IO = 1 A

6.1

mA

VEN = VI

0.78

2

µA

I(EN)

Enable pin current

VI = VEN = 35 V

0.81

2

µA

VEN = 0.4 V

2.55

8

µA

I(SHDN)

Shutdown supply current

VEN = 0.4 V, VI = 35 V

3.04

60

µA

V+EN(HI)

Enable high-level voltage

2.0

VI

V

V+EN(LO)

Enable low-level voltage

0.0

0.4

V

I(FB)

Feedback pin current

350

nA

VI = 16 V, VO(nom) = 15 V, COUT = 50 µF,

PSRR

Power-supply rejection ratio

78

dB

IO = 500 mA, CNR = 1 µF, f = 1 kHz

VI = 3 V, VO(nom) = 1.4 V, COUT = 50 µF,

4.17

µVRMS

CNR = 1 µF, BW = 10 Hz to 100 kHz

Vn

Output noise voltage

VIN = 6 V, VO(nom) = 5 V, COUT = 50 µF,

4.67

µVRMS

CNR = 1 µF, BW = 10 Hz to 100 kHz

Shutdown, temperature increasing

170

°C

Tsd

Thermal shutdown temperature

Reset, temperature decreasing

150

°C

TJ

Operating junction temperature

–40

125

°C

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