Datasheet > XPS62A06DRLR

XPS62A06DRLR

更新时间： 2023-09-03 20:28:27

品牌	Logo	应用领域
德州仪器 - TI		转换器
页数	文件大小	规格书
26页	1970K
描述
采用 SOT-563 封装的 2.5V 至 5.5V 输入、6A 高效降压转换器 \| DRL \| 6 \| -40 to 125

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XPS62A06DRLR 数据手册

TPS62A06, TPS62A06A

www.ti.com.cn

ZHCSPP7 –APRIL 2023

8 Detailed Description

8.1 Overview

The TPS62A0x is a high-efficiency synchronous step-down converter. The device operates with an adaptive off

time with a peak current control scheme. The device operates typically at 2.2-MHz frequency pulse width

modulation (PWM) at moderate to heavy load currents. Based on the V_IN/V_OUTratio, a simple circuit sets the

required off time for the low-side MOSFET. This action makes the switching frequency relatively constant

regardless of the variation of the input voltage, output voltage, and load current.

8.2 Functional Block Diagram

VIN

V_I

Device Control

and Logic

HS Limit

Peak Current Detect

UVLO

Soft Start

HICCUP protection

Thermal Shutdown

Modulator and

Power Control

Power Save Mode

& PWM

Gate

Driver

Operation

V_FB

–

100% Mode

VFB

V_REF

LS Limit

Zero Current Detect

Active

Discharge

V_I

T_OFFtimer

V_PG

V_FB

–

V_O

GND

8.3 Feature Description

8.3.1 Power Save Mode

The device automatically enters power save mode to improve efficiency at light load when the inductor current

becomes discontinuous. In power save mode, the converter reduces the switching frequency and minimizes

current consumption. In power save mode, the output voltage rises slightly above the nominal output voltage.

This effect is minimized by increasing the output capacitor or adding a feedforward capacitor.

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Product Folder Links: TPS62A06 TPS62A06A

English Data Sheet: SLUSET0

1...4 5 678 9 10...26

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