TPS7A8500RGRT datasheet(6/48 Pages) TI1

No de pièce	TPS7A8500RGRT

Description	LDO Voltage Regulator

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Fabricant	TI1 [Texas Instruments]

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6

TPS7A85

SBVS267A – JANUARY 2016 – REVISED FEBRUARY 2016

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Electrical Characteristics (continued)

Over operating junction temperature range (TJ = –40°C to +125°C), VIN = 1.4 V or VIN = VOUT(nom) + 0.5 V (whichever is

greater), VBIAS = open, VOUT(nom) = 0.8 V

(1), OUT connected to 50 Ω to GND(2), V

EN = 1.1 V, CIN = 10 μF, COUT = 47 μF, CNR/SS

without CFF, and PG pin pulled up to VIN with 100 kΩ, unless otherwise noted. Typical values are at TJ = 25°C.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

IEN

EN pin current

VIN = 6.5 V, VEN = 0 V and 6.5 V

–0.1

0.1

µA

IBIAS

BIAS pin current

VIN = 1.1 V, VBIAS = 6.5 V,

VOUT(nom) = 0.8 V, IOUT = 4 A

2.3

3.5

mA

VIL(EN)

EN pin high-level input voltage

(enable device)

0

0.5

V

VIH(EN)

EN pin low-level input voltage

(disable device)

1.1

6.5

V

VIT(PG)

PG pin threshold

For falling VOUT

82% × VOUT

88.3% ×

VOUT

93% × VOUT

V

VHYS(PG)

PG pin hysteresis

For rising VOUT

1% × VOUT

V

VOL(PG)

PG pin low-level output voltage

VOUT < VIT(PG), IPG = –1 mA

(current sunk into pin)

0.4

V

Ilkg(PG)

PG pin leakage current

VOUT > VIT(PG), VPG = 6.5 V

1

µA

INR/SS

NR/SS pin charging current

VNR/SS = GND, VIN = 6.5 V

4.0

6.2

9.0

µA

IFB

FB pin leakage current

VIN = 6.5 V

–100

100

nA

PSRR

Power-supply ripple rejection

VIN – VOUT = 0.5 V,

IOUT = 4 A, CNR/SS = 100 nF,

CFF = 10 nF, COUT =

47

μF || 10 μF || 10 μF

f = 10 kHz,

VOUT = 0.8 V,

VBIAS = 5.0 V

42

dB

f = 500 kHz,

VOUT = 0.8 V,

VBIAS = 5.0 V

39

f = 10 kHz,

VOUT = 3.3 V

40

f = 500 kHz,

VOUT = 3.3 V

25

Vn

Output noise voltage

BW = 10 Hz to 100 kHz, VIN = 1.2 V,

VOUT = 0.8 V, VBIAS = 5.0 V, IOUT = 4 A,

CNR/SS = 100 nF, CFF = 10 nF,

COUT = 47 μF || 10 μF || 10 μF

4.4

μVRMS

BW = 10 Hz to 100 kHz,

VOUT = 5.0 V, IOUT = 4 A, CNR/SS = 100 nF,

CFF = 10 nF, COUT = 47 μF || 10 μF || 10 μF

8.4

Tsd

Thermal shutdown temperature

Shutdown, temperature increasing

160

°C

Reset, temperature decreasing

140

TJ

Operating junction temperature

–40

125

°C

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