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

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中文翻译

获取价格

数据手册

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XPS628438YKAR 数据手册

TPS62843

www.ti.com.cn

ZHCSLS3A –JANUARY 2022 –REVISED MAY 2023

7.5 Electrical Characteristics (continued)

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

0.45

1.0

MAX

0.6

UNIT

TPS628436 soft-start time

TPS628438 soft-start time

TPS628437 soft-start time

EN HIGH to start of switching delay

From V_OUT= 0% to V_OUT= 95% of V_OUT

nominal

t_SS

1.4

0.7

1.0

t_{Startup_delay}

POWER STAGE

R_DSON(HS)

R2D = GND

330

560

µs

High-side MOSFET on-resistance

Low-side MOSFET on-resistance

Leakage Current into SW-Pin

V_IN= 3.6 V, I_OUT= 300 mA

170

260

115

mΩ

R_DSON(LS)

V_SW= 0.7 V, T_J= –40°C to 85°C

ILKG_SW

V_SW= 1.2V, T_J= -40°C to 85°C

V_{VIN >}V_SW,V_SW= 3.3 V, T_J= –40°C to

85°C

Leakage Current into SW-Pin

ILKG_SW

OVERCURRENT PROTECTION

I_HS(OC)

High-side peak current limit

0.9

1.1

1.0

1.3

V_IN≧2.2 V

I_LS(OC)

Low-side valley current limit

0.79

1.11

OUTPUT DISCHARGE

R_{DSCH_VOS}

Output discharge resistor on VOS pin

V_EN= GND, I(VOS) = –10 mA

Ω

THERMAL SHUTDOWN

T_J(SD)

Thermal shutdown threshold

Thermal shutdown hysteresis

Temperature rising

160

°C

T_J(HYS)

English Data Sheet: SLVSFU8

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