Datasheet > XC9509F396DL

XC9509F396DL

更新时间： 2024-02-18 23:03:54

品牌	Logo	应用领域
特瑞仕 - TOREX		/
页数	文件大小	规格书
41页	2005K
描述
Switching Regulator/Controller

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XC9509F396DL 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
包装说明：	,	Reach Compliance Code：	compliant
风险等级：	5.84	湿度敏感等级：	1

XC9509F396DL 数据手册

XC9509Series

ETR1006_001

Synchronous Step-Down DC/DC Converter

with Built-In LDO Regulator in Parallel Plus Voltage Detector

■GENERAL DESCRIPTION

The XC9509 series consists of a step-down DC/DC converter and a high-speed LDO regulator connected in parallel with the

DC/DC converter's output. A voltage detector is also built-in. Since the input for the LDO voltage regulator block comes

from the input power supply, it is suited for use with various applications.

The DC/DC converter block incorporates a P-channel driver transistor and a synchronous N-channel switching transistor.

With an external coil, diode and two capacitors, the XC9509 can deliver output currents up to 600mA at efficiencies over 90%.

The XC9509 is designed for use with small ceramic capacitors.

A choice of three switching frequencies are available, 300kHz, 600kHz, and 1.2MHz. Output voltage settings for the DC/DC

and VR are set-up internally in 100mV steps within the range of 0.9V to 4.0V (± 2.0%). For the VD, the range is of 0.9V to

5.0V (± 2.0%). The soft start time of the series is internally set to 5ms. With the built-in U.V.L.O. (Under Voltage Lock Out)

function, the internal P-channel driver transistor is forced OFF when input voltage becomes 1.4 V or lower. The functions of

the MODE pin can be selected via the external control pin to switch the DC/DC control mode and the disable pin to shut down

either the DC/DC block or the regulator block.

■APPLICATIONS

●CD-R / RW, DVD

■FEATURES

Input Voltage Range : 2.4V ~ 6.0V

Low ESR Capacitor

VD Function

: Ceramic capacitor compatible

●HDD

: Sense internally either VDD, DCOUT,

or VROUT. N-ch open drain output

: MSOP-10, USP-10

●PDAs, portable communication modem

●Cellular phones

Small Package

●Palmtop computers

●Cameras, video recorders

Output Voltage Range : 0.9V ~ 4.0V (Accuracy±2%)

Output Current

: 600mA (for MSOP-10 package)

400mA (for USP-10 package)

: PWM or PWM/PFM Selectable

Control Method

Oscillation Frequency : 300kHz, 600kHz, 1.2MHz

Reglator Output

: Parallel Input to DC/DC Converter

Output Voltage Range : 0.9V ~ 4.0V (Accuracy±2%)

Current Limit

: 300mA

Dropout Voltage

: 80mV @ IOUT=100mA (VOUT=2.8V)

High Ripple Rejection : 60dB @1kHz (VOUT=2.8V)

■TYPICAL PERFORMANCE

■TYPICAL APPLICATION CIRCUIT

CHARACTERISTICS

XC9509Hxxxx

VIN=3.6V, Topr=25℃, L=4.7μH (CDRH4D28C),

CIN:4.7μF (ceramic), CL1:10μF (ceramic), CL2: 4.7μF (ceramic)

MSOP-10 (TOP VIEW)

* Please refer to the typical application circuit when

external components are selected.

1/41

12 3 4 5 6 7...41

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XC9509H	TOREX	Synchronous Step-Down DC/DC Converter with Built-In LDO Regulator in Parallel plus Voltage	获取价格
XC9509H033AL	TOREX	Synchronous Step-Down DC/DC Converter with Built-In LDO Regulator in Parallel Plus Voltage	获取价格
XC9509H033AR	TOREX	Synchronous Step-Down DC/DC Converter with Built-In LDO Regulator in Parallel Plus Voltage	获取价格
XC9509H033DL	TOREX	Synchronous Step-Down DC/DC Converter with Built-In LDO Regulator in Parallel Plus Voltage	获取价格

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