microdcdc

MICRO DC/DC SOLUTIONS

Synchronous DC/DC Converters with Integrated Coil

 

One Concept - Three Solutions

Torex offer MICRO DC/DC with Three different internal constructions. Each one has advantages, so you can choose the one that best fits your application. Please see the table below.

  Packaged DC/DC
Embedded into coil
DC/DC chip on top of coil DC/DC chip beside coil
Packaging Style

2.5 x 2.0 x 1.0mm

 

2.5 x 2.15 x 1.05mm

 

4.7 x 3.1 x 1.35mm

Construction      
Series XCL101, XCL102/03, XCL201/02,
XCL205/06/07, XCL210, XCL232
 XCL208/09  XCL211/12
Coil The coil lies flat on the IC package.
This shortens the path of the switching
current and minimizes noise.
Lowest cost as very standard coil can be used. The IC and coil have good heat
dissipation, so large currents can be used.

 

 

Low Voltage Buck Micro DC/DC for Output Currents up to 600mA

Specification Series XCL210 XCL232 XCL201/02 XCL208/09 XCL205/06/07
Configuration BUCK
Output Current 50mA / 200mA 150mA 400mA 400mA 600mA

ON Resistance (Typ.)

N-Ch 0.40Ω 0.40Ω 0.52Ω 0.52Ω 0.52Ω
P-Ch 0.40Ω 0.35Ω 0.42Ω 0.42Ω 0.42Ω
Input Voltage Range 2.0V ~ 6.0V 1.8V ~ 6.0V 2.0V ~ 6.0V 1.8V ~ 6.0V 1.8V ~ 6.0V
Output
Voltage
Fixed 1.0V ~ 4.0V 0.5V ~ 3.6V 0.8V ~ 4.0V 0.8V ~ 4.0V 0.8V ~ 4.0V
Adjustable - - - 0.8V ~ VIN 0.8V ~ VIN
Switching Frequency PFM PFM 1.2MHz 3.0MHz 3.0MHz
Quiescent Current 0.5μA 0.2μA 15μA 21μA 21μA
Protection
Circuits
Current Limit YES YES YES YES YES
Short Circuit YES - - - -
Inrush Current - - - - -
Product
Select
Fixed PWM - XCL232 XCL201 XCL208 XCL205
PWC/PFM Auto - - XCL202 XCL209 XCL206
PWM/PFM + Mode - - - - XCL207
Fixed PFM  XCL210 - - - -
Additional
Features
Soft-start - YES YES YES YES
UVLO YES YES YES YES YES
CL Auto Discharge YES YES YES YES YES
 Others - - - - -
Internal Inductor Value 8.0μH 2.2μH 4.7μH 1.5μH 1.5μH
Inductor Options Multilayer Multilayer Multilayer Multilayer Multilayer
Package CL-2025-02  CL-2025-03 CL-2025-02 USP-10B03 CL-2025-02
Dimensions (mm) 2.0 x 2.5 x 1.0 2.5 x 2.0 x 1.04 2.0 x 2.5 x 1.0 2.15 x 2.5 x 1.05 2.0 x 2.5 x 1.0
Operating Temperature Range -40 °C ~ +85 °C -40 °C ~ +85 °C -40 °C ~ +85 °C -40 °C ~ +85 °C -40 °C ~ +85 °C
Product Page XCL210 XCL232 XCL201/02 XCL208/09 XCL205/06/07

 

Low Voltage Buck Micro DC/DC for Output Currents from 700mA

Specification Series

XCL211/12

Configuration  
Output current 2.0A

ON Resistance (Typ.)

N-Ch 0.12Ω
P-Ch 0.11Ω
Input Voltage Range 2.7V ~ 6.0V
Output Voltage Fixed -
Adjustable 0.9V~ VIN
Switching Frequency 2.4MHz
Quiescent Current 53μA
Product Circuits Current Limit YES
Short Circuit -
Thermal Shutdown YES
Product Select Fixed PWM XCL211
PWM/PFM Auto XCL212
Additional Features
 
Soft-start -
UVLO YES
CL Auto Discharge YES
Others -
Internal Inductor Value 1.5μH
Inductor Options Multilayer
Package USP-11B01
Dimensions (mm) 3.1 x 4.7 x 1.3
Operating Temperature Range -40 °C ~ +85 °C
Automotive AEC-Q100 compliant -
Package Page XCL211/12

 

Boost Micro DC/DC

Specification Series

XCL101

XCL102/03
Configuration BOOST
Output current More than 100mA Up to 500mA

ON Resistance (Typ.)

N-Ch 0.6Ω 0.3Ω
P-Ch 0.65Ω 0.3Ω
Input Voltage Range 0.7V ~ 5.5V 0.65V ~ 6.0V
Output Voltage Fixed 1.8V ~5.0V 2.2V ~ 5.5V
Adjustable - -
Switching Frequency 1.2MHz 3.0MHz
Quiescent Current 6.3μA 26μA
Product Circuits Current Limit - YES
Short Circuit - YES
Thermal Shutdown - -
Product Select Fixed PWM - XCL102
PWM/PFM Auto - XCL103
Fixed PFM XCL101 -
Additional Features Soft-start YES YES
UVLO YES -
CL Auto Discharge - YES
Others Load Disconnect Load Disconnect
Input Bypass Mode Input Bypass Mode
Internal Inductor Value 4.7μH 1.5μH
Inductor Options Multilayer Multilayer
Package CL-2025-02 CL-2025-02
Dimensions (mm) 2.0 x 2.5 x 1.0 2.0 x 2.5 x 1.0
Operating Temperature Range -40 °C ~ +85 °C -40 °C ~ +85 °C
Package Page XCL101 XCL102/03

 

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