5

TPS720

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SBVS100E – JUNE 2008 – REVISED SEPTEMBER 2015

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Copyright © 2008–2015, Texas Instruments Incorporated

(1)

Performance specifications are ensured up to a minimum VIN = VOUT + 0.5 V.

(2)

Whichever is less.

(3)

Minimum VBIAS = (VOUT + 1.4 V) or 2.5 V (whichever is greater) and VIN= VOUT + 0.5 V.

(4)

VO nominal value is factory programmable through the onchip EEPROM.

(5)

Measured for devices with VOUT(NOM) ≥ 1.2 V.

(6)

VBIAS – VOUT with VOUT = VOUT(NOM) – 0.1 V. Measured for devices with VOUT(NOM) ≥ 1.8 V.

6.5 Electrical Characteristics

Over operating temperature range (TJ = –40°C to 125°C), VBIAS = (VOUT + 1.4 V ) or 2.5 V (whichever is greater); VIN ≥ VOUT +

0.5 V, IOUT = 1 mA, VEN = 1.1 V, COUT = 2.2 μF, unless otherwise noted. Typical values are at TJ = 25°C.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VIN

Input voltage

1.1(1)

VBIAS or

4.5(2)

V

VBIAS

Bias voltage

2.5

5.5

V

VOUT

(3)

Output voltage(4)

0.9

3.6

V

Output

accuracy

Nominal

TJ = 25°C

–3

3

mV

Over VBIAS, VIN, IOUT,

TJ = –40°C to 125°C

VOUT + 1.4 V ≤ VBIAS ≤ 5.5 V,

VOUT + 0.5 V ≤ VIN ≤ 4.5 V,

0 mA

≤ IOUT ≤ 350 mA

–2%

2%

Over VBIAS, VIN, IOUT,

TJ = –40°C to 125°C

DRV package only:

VOUT + 1.4 V ≤ VBIAS ≤ 5.5 V,

VOUT + 0.5 V ≤ VIN ≤ 4.5 V,

0 mA

≤ IOUT ≤ 350 mA,

VOUT < 1.2 V

–25

25

mV

Over VBIAS, VIN, IOUT,

TJ = –10°C to 85°C

YZU package only:

VOUT + 1.4 V ≤ VBIAS ≤ 5.5 V,

VOUT + 0.5 V ≤ VIN ≤ 4.5 V,

0 mA

≤ IOUT ≤ 350 mA

1.6 V

≤ VOUT ≤ 3.3 V

–1%

1%

VIN floating

VOUT + 1.4 V ≤ VBIAS ≤ 5.5 V,

0 μA ≤ IOUT ≤ 500 μA

±1%

ΔVOUT/ΔVIN

VIN line regulation

VIN = (VOUT + 0.5 V) to 4.5 V, IOUT = 1 mA

16

μV/V

ΔVOUT/ΔVBIAS VBIAS line regulation

VBIAS = (VOUT + 1.4 V) or 2.5 V (whichever is

greater) to 5.5 V, IOUT = 1 mA

16

μV/V

VIN line transient

ΔVIN = 400 mV, tRISE = tFALL = 1 μs

±200

μV

VBIAS line transient

ΔVBIAS = 600 mV, tRISE = tFALL = 1 μs

±0.8

mV

ΔVOUT/ΔIOUT

Load regulation

0 mA

≤ IOUT ≤ 350 mA (no load to full load)

–15

μV/mA

Load transient

0 mA

≤ IOUT ≤ 350 mA, tRISE = tFALL = 1 μs

±15

mV

VDO_IN

VIN dropout voltage

(5)

VIN = VOUT(NOM) – 0.1 V,

(VBIAS – VOUT(NOM)) = 1.4 V,

IOUT = 350 mA

110

200

mV

VDO_BIAS

VBIAS dropout voltage

(6)

VIN = VOUT(NOM) + 0.3 V, IOUT = 350 mA

1.09

1.4

V

ICL

Output current limit

VOUT = 0.9 × VOUT(NOM)

420

525

800

mA

IGND

Ground pin current

IOUT = 100 μA

38

μA

IOUT = 0 mA to 350 mA

54

80

ISHDN

Shutdown current (IGND)

VEN ≤ 0.4 V, TJ = –40°C to 85°C

0.5

2

μA

PSRR

VIN power-supply rejection ratio

VIN – VOUT ≥ 0.5 V,

VBIAS = VOUT + 1.4 V,

IOUT = 350 mA

f = 10 Hz

85

dB

f = 100 Hz

85

f = 1 kHz

85

f = 10 kHz

80

f = 100 kHz

70

f = 1 MHz

50