Power Management Solutions for Automotive

Micro Buck DC/DC for Automotive Applications

Need to know more?

Download our new Automotive Brochure Here.



Automotive Grade Product Line Up (AEC-Q100)


Micro Buck DC/DC Converters

Our Micro DC/DC Converters have an integrated coil structure resulting in over 50% saving of PCB area and minimised radiated noise (EMI).




Grade 2, TA(max): 105°C 

Output Current 1.5A
ON Resistance N-Ch 0.10Ω
P-Ch 0.14Ω
Input voltage 2.5V ~ 5.5V
Output Voltage 0.8V ~ 3.3V
Switching Frequency 3.0MHz
Quiescent Current 400μA 25μA
Control Method  Hi-SAT COT
Product Select Fixed PWM XDL601
Max Duty Cycle 100%
VIN Surge Protection -
Protection Circuits Current Limit Circuit YES
Short Circuit Protection YES
Thermal Shutdown YES
Additional Features Soft Start YES
Optional CL Discharge YES
Power good Discharge NO

Op. Amb. Temp.

-40oC ~ +105oC
Package DFN3625-11A (Wettable Flank)

Buck DC/DC Converters

Parameters XD9242/43 XD9260/61 XD9267/68
AEC-Q100  Grade 3, TA(max): 85°C Grade 2, TA(max): 105°C Grade 2, TA(max): 105°C
Output Current 2.0A 1.5A 600mA
Control Method Voltage and Current Loop Hi-SAT COT Voltage and Current Loop
On Resistance N-Ch 0.12Ω (typ) 0.13Ω (typ) 0.44Ω (typ)
P-Ch 0.11Ω (typ) 0.17Ω (typ) 1.12Ω (typ)
Input Voltage  2.7V ~ 6.0V 2.5V ~ 5.5V 3.0V ~ 36V
Output Voltage 0.9V ~ VIN 0.8V ~ 3.6V 1.0V ~ 25V
Switching Frequency 1.2MHz, 2.4MHz 1.2MHz, 3MHz 2.2MHz
VIN Surge Protection - - 46V (≤400ms)
Quiescent Current 41µA 15µA 12.6µA
Max Duty Cycle 100%


Protecton Circuits

Thermal Shutdown YES
Current Limit YES
Short Circuit NO YES


Product Select

Fixed PWM XD9242 XD9260 XD9267
PWM/PFM Auto XD9243 XD2961 XD9268
Soft Start YES
CL Discharge YES
Power Good YES NO Optional 
Op. Amb. Temp. -40℃ ~ +85℃ -40℃ ~ +105℃
Package USP-10B USP-6C USP-6C or SOT89-5

Voltage Regulators

Parameters  XD6216 XD6506
AEC-Q100 Grade 2, TA(max): 105°C
Output Current 150mA
Dropout Voltage 300mV @ IOUT=20mA 360mV @ IOUT=100mA
Operating Voltage Range 2.0V ~ 28V 1.5V ~ 6.0V
Output Voltages 2.0V ~ 12V (fixed output) 1.2V ~ 5.0V
Output Accuracy ±2% (±1% also available) ±2%
Low Power Consumption 5µA 0.8µA
Stand-by Current 0.1µA
Ripple Rejection 30dB


Protection Circuits

Over Current


Current Limit Circuit

Thermal Shutdown
Op. Ambient Temperature -40℃ ~ +105℃
AEC-Q100 Grade 2
Packages SOT-89-5, SOT-25 SOT-25
Low ESR Ceramic capacitor compatible


Parameters  XD6130/31 XD6132 XD6133
AEC-Q100  Grade 1, TA(max): 125°C Grade 1, TA(max): 125°C Grade 1, TA(max): 125°C
Operating Voltage Range 1.5V ~ 6.0V 1.6V ~ 6.0V 1.5V ~ 6.0V
Detect Voltage Range 1.6V ~ 5.0V 0.8V ~ 2.0V 1.0V ~ 5.0V

Detect Voltage Accuracy

±1.0% ±2.7% (2.0V ≥ VDF ≥ 1.5V),
±36mV (<1.5V)
±2.7% (3.0V ≥ VDF ≥ 1.5V), 3.0% (5.0V ≥ VDF ≥ 3.1V), ±36mV (<1.5V)
Temp Characteristics ±50ppm/℃(Typ.)
Output Configuration N-Channel Open Drain CMOS or N-Channel Open Drain
Output Logic L level at detection H level or L level at detection
Power Consumption 8.1µA 1.28µA (at Detection), 1.65µA (at Release)
Hysteresis width VDFx5% (Typ) VDFx0.1% (Typ) VDFx5% (Typ)
Adjustable Hysteresis NO YES NO
Watchdog Output YES NO
ADJ RESET Delay NO YES, with Delay Capacitance Pin
Op. Amb. Temp. -40oC ~ +125oC
Packages SOT26 USP-6C, SOT26



Additional Features

RESET Release delay factory set RESET Release delay / detection delay can be set 4 time ration patterns
- Sense Pin with Surge Voltage Protection Sense Pin
Manual Reset Watchdog Enable Manual Reset