Datasheet > XC9129B45CAL

XC9129B45CAL

更新时间： 2024-11-26 08:41:31

品牌	Logo	应用领域
特瑞仕 - TOREX		/
页数	文件大小	规格书
13页	294K
描述
Switching Regulator/Controller

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中文翻译

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技术参数
数据手册

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XC9129B45CAL 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	,	Reach Compliance Code：	compliant
风险等级：	5.77	Base Number Matches：	1

XC9129B45CAL 数据手册

XC9128/XC9129Series

ETR0411-005

1A Driver Transistor Built-In, Step-Up DC/DC Converters

■GENERAL DESCRIPTION

The XC9128/XC9129 series are synchronous step-up DC/DC converters with a 0.2Ω (TYP.) N-channel driver transistor and a

synchronous 0.2Ω (TYP.) P-channel switching transistor built-in. A highly efficient and stable current can be supplied up to

1.0A by reducing ON resistance of the built-in transistors. With a high switching frequency of 1.2MHz, a small inductor is

selectable making the series ideally suited for applications requiring low profile or space saving solutions. With the MODE

pin, the series provides mode selection of PWM control or PFM/PWM automatic switching control. In the PWM/PFM

automatic switching mode, the series switches from PWM to PFM to reduce switching loss when load current is small.

When load current is large, the series switches automatically to the PWM mode so that high efficiency is achievable over a

wide range of load conditions. The series also provides small output ripple from light to large loads by using the built-in

circuit which enables the smooth transition between PWM and PFM. With a adaptor enable function of the XC9128 series,

when a voltage higher than the input voltage is applied to the output, the input and the output become isolated making it

possible for the IC to work in parallel with the likes of an AC adaptor.

■FEATURES

High Efficiency, Large Current Step-Up Converter

■APPLICATIONS

●Digital audio equipment

Output Current

: 150mA＠V_OUT=3.3V, V_IN=0.9V

500mA＠V_OUT=3.3V, V_IN=1.8V

: 0.8V~6.0V

: 1.8V~5.3V (Externally set)

Set up freely with a reference voltage

supply of 0.45V (±0.010V) & external

components

●Digital cameras, Video equipment

●Computer Mice

Input Voltage Range

Output Voltage Setting

Range

●Various multi-function power supplies using alkali cells (1

to 3 cells), nickel hydride batteries, or single lithium cells

Oscillation Frequency

: 1.2MHz (Fixed oscillation frequency

accuracy ±15%)

Input Current

: 1.0A

Maximum Current Limit

Control

: 1.2A (MIN.), 2.0A (MAX.)

: PWM, PWM/PFM control

externally selectable

High Speed

Transient Response

Protection Circuits

:100mV @ V_OUT=3.3V,

V_IN=1.8V, I_OUT=10mA→100mA

: Thermal shutdown

: Integral latch method (Over current

limit)

Soft-Start Time

: 5ms (TYP.) internally set

Ceramic Capacitor Compatible

Adaptor Enable Function (XC9128 series)

Packages

: MSOP-10, USP-10B, SOP-8

Flag Output (XC9128 series) : Open-drain output

■TYPICAL PERFORMANCE

CHARACTERISTICS

●Efficiency vs. Output Current

XC9128B45CDx

■TYPICAL APPLICATION CIRCUIT

C_IN

V_OUT

PGND

VOUT

MODE

V_IN

MODE

V_OUT=5.0V, f_OSC=1.2MHz

C_FB

R_FB1

C_L

(ceramic)

L=4.7μH (CDRH4D28C), C_IN=10μF, C_L=32μF

BAT

100

AGND

R_FB2

AEN/

3.7V

VIN=1.8V

PWM(MODE:H)

PWM/PFM(MODE:L)

0.1

100

1000

Output Current : IOUT (mA)

Output Current: I_OUT(mA)

1/13

12 3 4 5 6 7...13

中文翻译

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与XC9129B45CAL相关器件

型号	品牌	获取价格	描述	数据表
XC9129B45CAR	TOREX	获取价格	1A Driver Transistor Built-In, Step-Up DC/DC Converters
XC9129B45CAR-G	TOREX	获取价格	1A Driver Transistor Built-In, Step-Up DC/DC Converters
XC9129B45CDR	TOREX	获取价格	1A Driver Transistor Built-In, Step-Up DC/DC Converters
XC9129B45CDR-G	TOREX	获取价格	1A Driver Transistor Built-In, Step-Up DC/DC Converters
XC9129B45CSL	TOREX	获取价格	Switching Regulator/Controller
XC9129B45CSR	TOREX	获取价格	1A Driver Transistor Built-In, Step-Up DC/DC Converters
XC9129D45CAL	TOREX	获取价格	Switching Regulator/Controller
XC9129D45CAR	TOREX	获取价格	1A Driver Transistor Built-In, Step-Up DC/DC Converters
XC9129D45CAR-G	TOREX	获取价格	1A Driver Transistor Built-In, Step-Up DC/DC Converters
XC9129D45CDL	TOREX	获取价格	Switching Regulator/Controller

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