Datasheet > XCL231

XCL231

更新时间： 2024-11-21 02:52:03

品牌	Logo	应用领域
特瑞仕 - TOREX		/
页数	文件大小	规格书
37页	1494K
描述
36V, 600mA Inductor Built-in Step-down âmicro DC/DCâ Converter

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XCL231 数据手册

XCL230/XCL231 Series

36V, 600mA Inductor Built-in Step-down “micro DC/DC” Converter

■GENERAL DESCRIPTION

ETR28019-002

The XCL230/XCL231 Series is a small (3.0mm×3.0mm, h=1.7mm) 36V, 600mA step-down DC/DC converter with an integrated

control IC and coil. Integrating the coil makes for easier circuit board layout and minimizes malfunction and noise from the

component and wiring layout.

The input voltage range is 3.0 to 36V, the switching frequency is 1.2MHz, and a synchronous rectification circuit is used to achieve

a stable power supply at high efficiency. The XCL230 Series fixes the operation frequency using PWM control to suppress output

ripple voltage.

The XCL231 Series automatically switches between PWM and PFM control to reduce loss by lowering the operation frequency

during low loads to achieve high efficiency across the entire range from low to high loads.

A 0.75V standard voltage supply is built in, and the output voltage can be set to 1.0V to 5.0V using an external resistance.

The soft start time is internally set to 2.0ms, and a time that is longer than the internal soft-start can be freely set depending on the

resistance and capacity connected to the EN/SS pin.

An overcurrent protection function and thermal shutdown function are built in as protective functions to ensure safe use in the

event of a short circuit.

■FEATURES

Input Voltage Range

Output Voltage Range

FB Voltage

■APPLICATIONS

● Electricity Meters

● Gas Detectors

3.0V ~ 36V (Absolute Max 40V)

1.0V ~ 5.0V

0.75V ± 1.5%

● Various Sensors

Output Current

600mA

● Industrial Equipment

● Home Appliances

Oscillation Frequency

Efficiency

1.2MHz

86%(V_IN=12V,V_OUT=5V, I_OUT=300mA)

PWM control (XCL230)

PWM/PFM Auto (XCL231)

Soft-start External settings

Control Methods

Function

Power good

Over Current Protection

(Automatic recovery)

Thermal Shutdown

Protection Circuits

Output Capacitor

Operating Ambient Temperature

Packages

Ceramic Capacitor

-40℃ ~ 105℃

DFN3030-10B

Environmentally Friendly

EU RoHS Compliant, Pb Free

■TYPICAL PERFORMANCE

■TYPICAL APPLICATION CIRCUIT

CHARACTERISTICS

XCL230/XCL231

V_IN=V_EN/SS=12V, V_OUT=5.0V

_IN1=4.7μF(UMK212BBJ475KG),

_IN2=0.1μF(UMK107BJ104MAHT)

100

R_PG

C_L=22μF(TMK212BBJ226MG)

V_EN/SS

EN/SS

V_OUT

V_IN

C_FB

V_IN

C_L

R_FB1

C_IN1

C_IN2

GND

R_FB2

XCL230

XCL231

0.1

100

1000

Output current : I_OUT[mA]

1/37

12 3 4 5 6 7...37

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