Datasheet > XC9208A2L6MR

XC9208A2L6MR

更新时间： 2024-01-27 04:26:13

品牌	Logo	应用领域
特瑞仕 - TOREX		/
页数	文件大小	规格书
15页	172K
描述
Switching Regulator/Controller

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数据手册

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XC9208A2L6MR 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
Base Number Matches：	1

XC9208A2L6MR 数据手册

XC9206 / 9207/ 9208 Series

PWM, PWM/PFM Switchable Step-Down DC/DC Converters with Driver Transistor Built-In

September 17, 2003 Ver. 2

! P-Channel Driver Transistor Built-In

" APPLICATIONS

! Input Voltage Range

: 1.8V ~ 6.0V (XC9206/XC9207)

# Mobile phones (PDC, GSM, CDMA, IMT2000 etc.)

# PDA, Portable communication modem

# Portable game

: 2.0V ~ 6.0V (XC9208)

: 0.9V ~ 4.0V

! Output Voltage Range

! Oscillation Frequency

! Output Current

: 300kHz, 600kHz, 1.2MHz

: 500mA

# Camera, Digital camera, Camcorder

# Cordless phone

! Maximum Duty Ratio

! Small Package

: 100%

# Note book computer

: SOT-25

! PWM/PFM Switching Control (XC9207 / XC9208)

! Ceramic Capacitor Compatible

" GENERAL DESCRIPTION

" FEATURES

The XC9206/9207/9208 series is a group of DC/DC converters with a

built-in 0.4Ω P-channel driver transistor, offered in a SOT-25

package. The ICs are designed to provide high efficiencies and a

stable power supply with an output current of 500mA using only a

coil, a diode and two ceramic capacitors connected externally.

Minimum operating voltage of the XC9206/9207 is 1.8V and 2.0V for

XC9208. Output voltage is internally programmable in a range from

0.9V to 4.0V in increments of 100mV (accuracy: ±2.0%).

Oscillation frequency is selectable from 300kHz, 600kHz and 1.2MHz

so that the frequency best suited to your particular application can be

selected.

P ch driver Tr. Built-in

ON resistance 0.4Ω

Output Voltage Range

Oscillation Frequency

0.9V ~ 4.0V (100mV steps)

Fixed output voltage accuracy ±2%

300kHz, 600kHz, 1.2MHz

Fixed oscillation frequency

accuracy ±15%

Stand-by function

Istb = 1µA (MAX.)

Current Limiter Circuit built-in 600mA

Small Package

SOT-25

Each series features different operation modes:

PWM control (XC9206 series), automatic PWM/PFM switching

control (XC9207 series) and manual PWM/PFM switching control

(XC9208 series). The series gives fast transient response, low ripple

and high efficiency over the full range of load (from light load to high

output current conditions). The soft start and current control

functions are internally optimized. During stand-by, all circuits are

shutdown to reduce current consumption to as low as 1.0µA or less.

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 1.4V or lower.

Soft start circuit built-in

" TYPICAL APPLICATION CIRCUIT

" TYPICAL PERFORMANCE CHARACTERISTICS

CE/MODE

XC9208A18C

VOUT=1.8V (Oscillation Frequency 1.2MHz)

VOUT

MODE

CE/

CIN:4.7µF,CL:10µF, L:4.7µH(CDRH3D16),

VSS

SD:CRS02, Topr=25^OC

VOUT

100

PWM/PFM

Switching Control

VIN

(500mA)

VIN

VIN=2.4V

(ceramic)

CIN

(ceramic)

3.6V

4.2V

PWM

Control

0.1

100

1000

Output Current IOUT (mA)

Semiconductor Ltd.

Data Sheet

12 3 4 5 6 7...15

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