Datasheet > XPS628438YKAR

XPS628438YKAR

更新时间： 2023-09-03 20:30:23

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
26页	1855K
描述
1.8-V to 5.5-V input, 600-mA ultra-low IQ step-down converter in WCSP \| YKA \| 6 \| -40 to 125

阅读下载

获取价格

数据手册

如果您发现信息不准确，欢迎纠错

XPS628438YKAR 数据手册

TPS62843

www.ti.com.cn

ZHCSLS3A –JANUARY 2022 –REVISED MAY 2023

7.4 Thermal Information

THERMAL METRIC⁽¹⁾

YKA (DSBGA) 6 PINS

UNIT

°C/W

R_θJA

Junction-to-ambient thermal resistance

Junction-to-case (top) thermal resistance

147.7

1.7

R_θJC(top)

R_θJB

Junction-to-board thermal resistance

47.5

0.5

Junction-to-top characterization parameter

Junction-to-board characterization parameter

Junction-to-case (bottom) thermal resistance

ψ_JT

47.6

ψ_JB

R_θJC(bot)

–

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

report.

7.5 Electrical Characteristics

T_J= –40°C to +125°C, V_IN= 1.8 V to 5.5 V. Typical values are at T_J= 25°C, V_IN= 3.6 V and V_OUT= 0.7 V (unless otherwise

noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

SUPPLY

Non-switching, V_EN= V_IN, I_OUT= 0 µA, T_J=

–40°C to 85°C

275

350

1500

Operating Quiescent Current (Power Save

Mode)

I_Q

Switching, V_EN= V_IN, I_OUT= 0 µA, V_OUT

0.7 V

V_EN= 0 V, VSET = GND, T_J= –40°C to

85°C

I_SD

Shutdown Current

850

UVLO

V_UVLO(R)

V_UVLO(F)

V_UVLO(H)

VSET PIN

V_SET(LKG)

V_SET(H)

R_SET

Undervoltage Lockout Rising Threshold

Undervoltage Lockout Falling Threshold

Undervoltage Lockout Hysteresis

V_INrising, I_OUT= 0 µA

V_INfalling, I_OUT= 0 µA

1.75

1.65

100

1.8

1.7

VSET Input leakage current

VSET High-level detection

RSET accuracy

T_J= -40°C to 85°C

800

Voltage at VSET during startup

T_J= –20°C to 125°C

T_J= –40°C to 125°C

1.0

–4

R_SET

RSET accuracy

3.5

–3.5

ENABLE

V_EN(R)

EN voltage rising threshold

EN voltage falling threshold

EN Input leakage current

EN rising, enable switching

EN falling, disable switching

V_EN> 0.8 V, T_J= –40°C to 85°C

EN pin to GND

0.8

V_EN(F)

0.4

V_EN(LKG)

R_EN;PD

EN internal pull-down resistance

425

500

kΩ

VOUT VOLTAGE

V_OUT

DC Output voltage accuracy

TPS628436

+1.5

0.8

PWM operation, T_J= –20°C to 125°C

PWM operation, T_J= –40°C to 125°C

–1

–1.5

0.4

V_OUT

TPS628437

0.8

1.8

TPS628438

1.8

3.6

TPS628436, V_EN= V_IN, V_VOS= 0.7 V, T_J=

–40°C to 85°C

100

250

450

TPS628437, V_EN= V_IN, V_VOS= 1.2 V, T_J=

–40°C to 85°C

I_VOS(LKG)

VOS input leakage current

100

TPS628438, V_EN= V_IN, V_VOS= 3.3 V, T_J=

–40°C to 85°C

275

1.5

f_SW

I_OUT= 400 mA

MHz

STARTUP

Submit Document Feedback

Product Folder Links: TPS62843

English Data Sheet: SLVSFU8

1 2 3 456 7 8...26

下载PDF

与XPS628438YKAR相关器件

型号	品牌	描述	获取价格	数据表
XPS62876QWRZVRQ1	TI	汽车类 2.7V 至 6V 输入、25A 可堆叠同步降压转换器 \| RZV \| 24 \|	获取价格
XPS62A01QDRLRQ1	TI	采用 SOT563 封装的汽车类、2.5V 至 5.5V 输入、1A 输出降压转换器 \|	获取价格
XPS62A06ADRLR	TI	采用 SOT-563 封装并具有强制 PWM 的 2.5V 至 5.5V 输入、6A 高效	获取价格
XPS62A06DRLR	TI	采用 SOT-563 封装的 2.5V 至 5.5V 输入、6A 高效降压转换器 \| DR	获取价格
XPS-6340WG	OPTOWAY	16GFC XFP SM LC	获取价格
XPS-6341W-DXXG	OPTOWAY	16GFC XFP SM LC DWDM	获取价格