Power Management Solutions for Automotive

Buck Micro DC/DC

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Automotive Grade Product Line Up (AEC-Q100)


Buck Micro 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 

Grade 2, TA(max): 105°C
Output Current 1.5A 600mA
ON Resistance N-Ch 0.10Ω 0.6Ω
P-Ch 0.14Ω 1.2Ω
Input voltage 2.5V ~ 5.5V 3.0V ~ 36V
Output Voltage 0.8V ~ 3.3V 1.0V ~ 5.0V
Switching Frequency 3.0MHz 2.2MHz
Quiescent Current 400μA 25μA 290μA 13.5μA
Control Method  Hi-SAT COT Voltage and Current Loop
Product Select Fixed PWM XDL601 XDL605
PWM/PFM Auto XDL602 XDL606
Max Duty Cycle 100% 100%
VIN Surge Protection - 46V (≤400ms)
Protection Circuits Current Limit Circuit YES YES
Short Circuit Protection YES YES
Thermal Shutdown YES YES
Additional Features Soft Start YES YES
Optional CL Discharge YES NO
Power good NO YES

Op. Amb. Temp.

-40oC ~ +105oC -40oC ~ +105oC
Package DFN3625-11B (Wettable Flank) DFN3625-11B (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 13.5µA
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 NO
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 XD6702
AEC-Q100 Grade 2, TA(max): 105°C
Output Current 150mA 300mA
Dropout Voltage 300mV @ IOUT=20mA 360mV @ IOUT=100mA 350mV @ IOUT=100mA
Operating Voltage Range 2.0V ~ 28V 1.5V ~ 6.0V 4.5V ~ 36V
VIN Surge Protection - - 46V (≤400ms)
Output Voltages 2.0V ~ 12V (fixed output) 1.2V ~ 5.0V 1.8V ~ 18V
Output Accuracy ±2% (±1% also available) ±2% ±2%
Low Power Consumption 5µA 0.8µA 40µA
Stand-by Current 0.1µA
Ripple Rejection 30dB 65dB
Protection Functions

Current Limit 

Thermal Shutdown

Current Limit Circuit

Current Limit

Thermal Shutdown

Op. Ambient Temperature -40℃ ~ +105℃
AEC-Q100 Grade 2
Packages SOT-89-5, SOT-25 SOT-25 SOT-89-5
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