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 XCL100/01, XCL102/03, XCL201/02,
XCL205/06/07, XCL210, XCL232, XCL233, XCL301
 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 400mA

Specification Series XCL210 XCL232 XCL233 XCL201/02 XCL208/09
Configuration BUCK
Output Current 50mA / 200mA 150mA 150mA 400mA 400mA

ON Resistance (Typ.)

N-Ch 0.40Ω 0.40Ω 0.40Ω 0.52Ω 0.52Ω
P-Ch 0.40Ω 0.35Ω 0.35Ω 0.42Ω 0.42Ω
Input Voltage Range 2.0V ~ 6.0V 1.8V ~ 6.0V 1.8V ~ 6.0V 2.0V ~ 6.0V 1.8V ~ 6.0V
Output
Voltage
Fixed 1.0V ~ 4.0V 0.5V ~ 3.6V 0.5V ~ 3.6V 0.8V ~ 4.0V 0.8V ~ 4.0V
Adjustable - - - - 0.8V ~ VIN
Switching Frequency PFM PFM PFM 1.2MHz 3.0MHz
Quiescent Current 0.5μA 0.2μA 0.2μA 15μA 21μA
Protection
Circuits
Current Limit YES YES YES YES YES
Short Circuit YES - YES - -
Inrush Current - - - - -
Product
Select
Fixed PWM - - - XCL201 XCL208
PWM/PFM Auto - - - XCL202 XCL209
PWM/PFM + Mode - - - - -
Fixed PFM XCL210 XCL232 XCL233 - -
Additional
Features
Soft-start - YES YES YES YES
UVLO YES YES YES YES YES
CL Auto Discharge YES YES YES YES YES
 Others - - VSET - -
Internal Inductor Value 8.0μH 2.2μH 2.2μH 4.7μH 1.5μH
Inductor Options Multilayer Multilayer Multilayer Multilayer Multilayer
Package CL-2025-02 CL-2025-03 CL-2025-03 CL-2025-02 USP-10B03
Dimensions (mm) 2.0 x 2.5 x 1.0 2.5 x 2.0 x 1.04 2.5 x 2.0 x 1.04 2.0 x 2.5 x 1.0 2.15 x 2.5 x 1.05
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 XCL233 XCL201/02 XCL208/09

 

Low Voltage Buck Micro DC/DC for Output Currents from 600mA

Specification Series

XCL205/06/07

XCL211/12

 

XCL301

Configuration BUCK INVERTING
Output current 600mA 2.0A -50mA

ON Resistance (Typ.)

N-Ch 0.52Ω 0.12Ω 1.3Ω
P-Ch 0.42Ω 0.11Ω -
Input Voltage Range 1.8V ~ 6.0V 2.7V ~ 6.0V 2.7V ~ 5.5V
Output Voltage Fixed 0.8V ~ 4.0V - 3.3V
Adjustable 0.8V~ VIN 0.9V~ VIN -
Switching Frequency 3.0MHz 2.4MHz -
Quiescent Current 21μA 53μA 40μA
Product Circuits Current Limit YES YES YES
Short Circuit - - -
Thermal Shutdown - YES -
Product Select Fixed PWM XCL205 XCL211 -
PWM/PFM Auto XCL206 XCL212 XCL301
Additional Features
 
Soft-start YES - -
UVLO YES YES YES
CL Auto Discharge YES YES -
Others - - -
Internal Inductor Value 1.5μH 1.5μH 4.7μH
Inductor Options Multilayer Multilayer Multilayer
Package CL-2025-02 USP-11B01 CL-2025-02
Dimensions (mm) 2.0 x 2.5 x 1.0 3.1 x 4.7 x 1.3 2.0 x 2.5 x 1.0
Operating Temperature Range -40 °C ~ +85 °C -40 °C ~ +85 °C -40 °C ~ +85 °C
Automotive AEC-Q100 compliant - - -
Package Page XCL205/06/07 XCL211/12 XCL301

 

Boost Micro DC/DC

Specification Series

XCL100/01

XCL102/03 XCL104/05
Configuration BOOST
Output current More than 100mA Up to 500mA Up to 710mA

ON Resistance (Typ.)

N-Ch 0.6Ω 0.3Ω 0.17Ω
P-Ch 0.65Ω 0.3Ω 0.23Ω
Input Voltage Range 0.7V ~ 5.5V 0.65V ~ 6.0V 0.65V ~ 6.0V
Output Voltage Fixed 1.8V ~5.0V 2.2V ~ 5.5V 1.8V ~ 5.5V
Adjustable - - -
Switching Frequency 1.2MHz 3.0MHz 1.2MHz
Quiescent Current 6.3μA 26μA 19μA
Product Circuits Current Limit - YES YES
Short Circuit - YES YES
Thermal Shutdown - - YES
Product Select Fixed PWM - XCL102 XCL104
PWM/PFM Auto - XCL103 XCL105
Fixed PFM XCL100/01 - -
Additional Features Soft-start YES YES YES
UVLO XCL100 - YES
CL Auto Discharge - YES YES
Others Load Disconnect Load Disconnect Load Disconnect
Input Bypass Mode Input Bypass Mode Input Bypass Mode
- - VOUT "OR"
Internal Inductor Value 4.7μH 1.5μH 4.7μH
Inductor Options Multilayer Multilayer Multilayer
Package CL-2025-02 CL-2025-02 DFN3030-10B
Dimensions (mm) 2.0 x 2.5 x 1.0 2.0 x 2.5 x 1.0 3.0 x 3.0 x 1.7
Operating Temperature Range -40 °C ~ +85 °C -40 °C ~ +85 °C -40 °C ~ +105 °C
Package Page XCL100/01 XCL102/03 XCL104/05

 

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