PIFE32251B-R68MS datasheet(18/157 Pages) TI1

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TPS650830

SLVSCF4A – DECEMBER 2014 – REVISED JULY 2016

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Specifications

(1)

For more information about traditional and new thermal metrics, see Semiconductor and IC Package Thermal Metrics application report.

5.4

Thermal Information

THERMAL METRIC (1)

TPS650830

UNIT

ZAJ (NFBGA)

ZCG (NFBGA)

168 PINS

159 PINS

RθJA

Junction-to-ambient thermal resistance

37.7

34.7

°C/W

RθJC(top)

Junction-to-case (top) thermal resistance

15.1

°C/W

RθJB

Junction-to-board thermal resistance

11.8

13.7

°C/W

ψJT

Junction-to-top characterization parameter

0.3

°C/W

ψJB

Junction-to-board characterization parameter

11.7

13.8

°C/W

RθJC(bot)

Junction-to-case (bottom) thermal resistance

N/A

°C/W

5.5

Electrical Characteristics

Over recommended free-air temperature range and over recommended input voltage range (typical at an ambient

temperature range of 25°C) (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

CONTROL

CONTROL - SYSTEM

VIN Parametric

System input voltage

Parametric and functional

5.4

7.4

VIN Functional

System input voltage

Functional

5.4

7.4

System quiescent current (includes

IDDQ for LDO5V, LDO3V, and

VREF1.25V, all registers are

default setting)

Measured at VIN = 7.4 V

150

μA

VUVLO_5V_Main

System under voltage lockout

threshold - All IC functionality

including 5VLDO, except LDO3V

and internal refsys

VVIN voltage decreasing - measured at

VIN (falling edge)

4.95

5.1

5.25

VHys_5V_Main

System under voltage lockout

threshold hysteresis

VVIN voltage increasing - measured at VIN

200

CONTROL - INTERNAL REFERENCES

VO(VLDO5)

LDO5V output

VIN = 5.4 V - 21 V, 10-mA load

4.9

5.0

5.1

Line regulation

VO(LDO5V)

Line regulation for regulator over

operating voltage range

VIN = 5.4 V to 21 V, Measured as

(ΔVO(LDO5V)/VO(LDO5V)) over this operating

range with 40-mA load current. measured

at LDO5V pin with respect to AGND pin

0.5%

Load regulation

VO(LDO5V)

Load regulation for regulator over

operating current range

VIN = 5.4 V - 21 V Measured as

(ΔVO(LDO5V)/VO(LDO5V)) over this operating

range with 10-mA to 100-mA load current.

measured at LDO5V pin with respect to

AGND pin

ISC (LDO5V)

Over current protection

Measured at 90% of the regulation

voltage

115

CO (LDO5V)

External output capacitance range

after derating

Actual capacitance after derating. ex: 2.7-

µF capacitance, then use a 4.7-µF

capacitor with 60% deratingat 5 V.

2.7

4.7

μF

VO(VREF1V25)

VREF1V25 output - Internal

buffered bandgap output

See below for output capacitance.

measured at VREF1V25 pin with respect

to AGND pin

1.244

1.25

1.256

CO (VREF1V25)

External output capacitance range

after derating

Actual capacitance after derating. ex:

0.27-µF capacitance, then use a 0.47-µF

capacitor with 60% derating at 1.25 V

0.2

1.0

μF

VI(LDO3V)

LDO3V input

Parametric and functional

5.4

7.4

VI(LDO3V)

LDO3V input

Functional

3.45

7.4

VO(LDO3V)

LDO3V output

VIN = 7.4 V, 1-mA load

3.267

3.3

3.333

PIFE32251B-R68MS 데이터시트(PDF) 18 Page - Texas Instruments

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