Datasheet > TPS62933_V01

TPS62933_V01

更新时间： 2022-05-14 22:22:09

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描述
TPS62933 3.8-V to 30-V, 3-A Synchronous Buck Converter in SOT583 Package

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TPS62933_V01 数据手册

TPS62933

www.ti.com

SLUSEA4A – JUNE 2021 – REVISED DECEMBER 2021

7.4 Thermal Information

TPS62933

THERMAL METRIC⁽¹⁾

DRL (SOT583), 8 PINS

UNIT

JEDEC⁽²⁾

EVM⁽³⁾

R_θJA

R_θJC(top)

R_θJB

Ψ_JT

Junction-to-ambient thermal resistance

Junction-to-case (top) thermal resistance

Junction-to-board thermal resistance

112.2

29.1

19.3

1.6

N/A

°C/W

N/A

Junction-to-top characterization parameter

Junction-to-board characterization parameter

N/A

Ψ_JB

19.2

N/A

Junction-to-ambient thermal resistance on official

EVM board

R_{θJA_EVM}

N/A

60.2

°C/W

(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application

report.

(2) The value of R_θJAgiven in this table is only valid for comparison with other packages and can not be used for design purposes. These

values were simulated on a standard JEDEC board. They do not represent the performance obtained in an actual application.

(3) The real R_θJAon TPS62933EVM is about 60.2°C/W, test condition: V_IN= 24 V, V_OUT= 5 V, I_OUT= 3 A, T_A= 25°C.

7.5 Electrical Characteristics

The electrical ratings specified in this section apply to all specifications in this document, unless otherwise noted. These

specifications are interpreted as conditions that do not degrade the device parametric or functional specifications for the life

of the product containing it. T_J= –40°C to +150°C, V_IN= 3.8 V to 30 V, unless otherwise noted.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

POWER SUPPLY (VIN PIN)

V_IN

Operation input voltage

3.8

µA

I_Q

Nonswitching quiescent current

Shutdown supply current

EN = 5 V, V_FB= 0.85 V

I_SHDN

V_EN= 0 V

Rising threshold

Falling threshold

Hysteresis

3.4

3.1

3.6

3.3

300

3.8

3.5

Input undervoltage lockout

thresholds

V_{IN_UVLO}

ENABLE (EN PIN)

V_{EN_RISE}Enable threshold

V_{EN_FALL}

Rising enable threshold

Falling disable threshold

1.21

1.17

1.28

Disable threshold

1.1

I_p

I_h

EN pullup current

V_EN= 1.0 V

V_EN= 1.5 V

0.7

1.4

µA

EN pullup hysteresis current

VOLTAGE REFERENCE (FB PIN)

T_J= 25°C

792

788

784

800

808

812

816

0.15

μA

V_FB

FB voltage

T_J= 0°C to 85°C

T_J= –40°C to 150°C

V_FB= 0.8 V

I_FB

Input leakage current

INTEGRATED POWER MOSFETS

R_{DSON_HS}High-side MOSFET on-resistance T_J= 25°C, V_BST– SW = 5 V

R_{DSON_LS}

CURRENT LIMIT

mΩ

Low-side MOSFET on-resistance

T_J= 25°C

I_{HS_LIMIT}

I_{LS_LIMIT}

I_{PEAK_MIN}

High-side MOSFET current limit

TPS62933

4.2

2.9

5.8

4.5

Low-side MOSFET current limit

Minimum peak inductor current

3.8

0.75

SOFT START (SS PIN)

I_SS

Soft-start charge current

4.5

5.5

6.5

μA

OSCILLATOR FREQUENCY (RT PIN)

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与TPS62933_V01相关器件

型号	品牌	描述	获取价格	数据表
TPS62933DRLR	TI	TPS62933 3.8-V to 30-V, 3-A Synchronous Buck Converter in SOT583 Package	获取价格
TPS62933F	TI	TPS62933 3.8-V to 30-V, 3-A Synchronous Buck Converter in SOT583 Package	获取价格
TPS62933FDRLR	TI	采用 SOT-583 封装的 3.8V 至 30V 输入、3A、200kHz 至 2.2M	获取价格
TPS62933O	TI	TPS62933 3.8-V to 30-V, 3-A Synchronous Buck Converter in SOT583 Package	获取价格
TPS62933ODRLR	TI	采用 SOT583 封装的 Out-of-Audio 式、3.8V 至 30V、3A、20	获取价格
TPS62933P	TI	TPS62933 3.8-V to 30-V, 3-A Synchronous Buck Converter in SOT583 Package	获取价格

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