5.4 Thermal Information

THERMAL METRIC(1)

TPS792

UNIT

DBV (SOT23-6)

DBV (SOT23-6)(2)

DBV (SOT23-5)

DBV (SOT23-5)(2)

6 PINS

6 PINS

5 PINS

5 PINS

RθJA

Junction-to-ambient thermal resistance

225.1

171.7

225.1

171.7

°C/W

RθJC(top) Junction-to-case (top) thermal resistance

78.4

110.8

78.4

110.8

°C/W

RθJB

Junction-to-board thermal resistance

54.7

85.4

54.7

85.4

°C/W

ψJT

Junction-to-top characterization parameter

3.3

54.4

3.3

54.4

°C/W

ψJB

Junction-to-board characterization parameter

53.8

85.2

53.8

85.2

°C/W

RθJC(bot) Junction-to-case (bottom) thermal resistance

N/A

N/A

N/A

N/A

°C/W

(1)

For more information about traditional and new thermal metrics, see the Semiconductor and IC Packaging application note.

(2)

New Chip.

5.5 Electrical Characteristics

over recommended operating temperature range, TJ = –40°C to +125°C VEN = VIN, VIN = VO(typ) + 1V, IOUT = 1 mA, COUT =

10 µF, CNR = 0.01 µF (Legacy Chip) (unless otherwise noted). All typical values at TJ= 25°C.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VOUT

Output

accuracy

TPS79201 (1)

0µA < IOUT <

100mA 1.22V <

VOUT < 5.2V

0.98 VOUT

VOUT

1.02 VOUT

V

TPS79225

(Legacy chip

only)

0µA < IOUT <

100mA 1.22V <

VOUT < 5.2V

2.45

2.5

2.55

V

TPS79228

(Legacy chip

only)

0µA < IOUT <

100mA 1.22V <

VOUT < 5.2V

2.744

2.8

2.856

V

TPS79230

0µA < IOUT <

100mA, 4V <

VIN < 5.5V

2.94

3

3.06

IGND

Quiescent

current (GND

current)

0µA ≤ IO ≤ 100mA (Legacy Chip)

170

250

µA

0µA ≤ IO ≤ 100mA(New Chip)

250

1000

ΔVOUT/ΔIOUT

Load

regulation(2)

0µA ≤ IOUT ≤ 100mA

5

mV

ΔVOUT/ΔVIN

Line regulation

VOUT + 1V ≤ VIN ≤ 5.5V

0.05

0.12

%/V

Vn

Output noise

voltage

(TPS7928)

(Legacy chip

only)

BW = 100Hz to

100kHz, IOUT =

100mA

CNR = 0.001µF

50

µVRMS

BW = 100Hz to

100kHz, IOUT =

100mA

CNR = 0.0047µF

33

BW = 100Hz to

100kHz, IOUT =

100mA

CNR = 0.01µF

31

BW = 100Hz to

100kHz, IOUT =

100mA

CNR = 0.1µF

27

Output noise

voltage

(TPS79230)

BW = 100Hz to

100kHz, IOUT =

100mA

(New Chip)

69

tSTR

Time, start-up

(TPS79230)

RL = 14 Ω,

COUT = 1µF

CNR = 0.001µF

50

µs

CNR = 0.0047µF

70

CNR = 0.01µF

90

(New Chip)

500

TPS792

SLVS337E – MARCH 2001 – REVISED JANUARY 2025

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