DC / DC Controllers | element14 Australia

element14 offers an exclusive range of DC-DC converters that excel in applications ranging from automotive systems and industrial equipment to telecommunications and consumer electronics.

Modern DC-DC controllers incorporate advanced features such as programmable switching frequencies, synchronization capabilities, and adaptive dead-time control. They support various topologies, including buck, boost, buck-boost, and SEPIC configurations.

The primary function of DC-DC converters is to ensure stable and efficient power delivery. To do this, they convert the voltage of a direct current (DC) source from one level to another. DC-DC converters maintain a constant output voltage in applications where input voltage levels can fluctuate due to factors such as battery discharging over time or changes in load conditions. One significant advantage of DC-DC converters is their superior power conversion efficiency.

Key benefits include high-efficiency power conversion, precise output voltage regulation, comprehensive protection features, flexible design options, and support for a wide input voltage range. When selecting a DC-DC controller, engineers must consider input/output voltage requirements, load current, efficiency targets, PCB space constraints, and thermal management needs. For optimal performance, refer to manufacturer design guidelines and application notes specific to your requirements.

Manufacturer Part No	Order Code	Manufacturer / Description	Price For	Price (Incl GST)	Control Mode	Supply Voltage	Supply Voltage Min	Supply Voltage Max	No. of Outputs	No. of Regulated Outputs	Duty Cycle (%)	IC Case / Package	No. of Pins	Switching Frequency	Topology	Operating Temperature Min	Operating Temperature Max	Product Range	Qualification

MAX1655EEE+	2514064 Data Sheet RoHS	ANALOG DEVICES DC/DC Controller Synchronous Buck (Step Down) 4.5 V to 30 V 1 Output 300 kHz QSOP-16	Each	1+ $22.050($24.26) 10+ $17.400($19.14) 25+ $16.250($17.88) 100+ $14.980($16.48) 300+ $14.260($15.69) More Pricing...	Constant Frequency	-	4.5V	30V	1Outputs	-	99%	QSOP	16Pins	300kHz	Synchronous Buck (Step Down)	-40°C	85°C	-	-
MAX1953EUB+T	2516656 Data Sheet RoHS	ANALOG DEVICES DC/DC Controller Buck Synchronous Buck 3 V to 5.5 V 1 Output 1 MHz µMAX-10	Each (Supplied on Cut Tape) Cut Tape	1+ $12.140($13.35) 10+ $9.400($10.34) 25+ $8.710($9.58) 100+ $7.950($8.74) 250+ $7.750($8.52) More Pricing...	Current Mode Control	-	3V	5.5V	1Outputs	-	89%	µMAX	10Pins	1MHz	Buck, Synchronous Buck	-40°C	85°C	-	-
MAX1856EUB+T	2514337 Data Sheet RoHS	ANALOG DEVICES DC/DC Controller 3V to 28V Supply 1 Outputs 500kHz µMAX-10	Each (Supplied on Cut Tape) Cut Tape	1+ $10.990($12.09) 10+ $8.470($9.32) 25+ $7.850($8.64) 100+ $7.150($7.86) 250+ $6.940($7.63) More Pricing...	Current Mode Control	-	3V	28V	1Outputs	-	-	µMAX	10Pins	500kHz	-	-40°C	85°C	-	-
MAX1856EUB+	2514256 Data Sheet RoHS	ANALOG DEVICES DC/DC Controller PWM SLIC Power 3 V to 28 V 1 Output 500 kHz µMAX-10	Each	1+ $10.810($11.89) 10+ $8.340($9.17) 50+ $7.350($8.09) 100+ $7.050($7.76) 250+ $6.710($7.38) More Pricing...	Current Mode Control	-	3V	28V	1Outputs	-	-	µMAX	10Pins	500kHz	-	-40°C	85°C	-	-
MIC21LV33YML-TR	3758604 Data Sheet RoHS	MICROCHIP DC/DC Controller Synchronous Buck 4.5 to 36V Supply 1 Output 85% Duty Cycle 500 kHz VQFN-EP-32	Each (Supplied on Cut Tape) Cut Tape	1+ $3.080($3.39) 25+ $3.030($3.33) 100+ $2.970($3.27) 3300+ $2.900($3.19)	Current Mode Control	-	4.5V	36V	1Outputs	-	85%	VQFN-EP	32Pins	500kHz	Synchronous Buck (Step Down)	-40°C	125°C	-	-
MAX17692BATC+	3680021 Data Sheet RoHS	ANALOG DEVICES DC/DC CONV FLYBACK 200KHZ 125DEG C	Each	1+ $6.090($6.70) 10+ $4.610($5.07) 25+ $4.240($4.66) 100+ $3.830($4.21) 250+ $3.630($3.99) More Pricing...	Current Mode Control	-	4.2V	60V	1Outputs	-	68%	TDFN-EP	12Pins	200kHz	Flyback	-40°C	125°C	-	-
XC9220C09AMR-G	3535664 Data Sheet RoHS	TOREX DC/DC Controller Buck 2.8V to 16V Supply 1 Output 100% Duty Cycle 1 MHz SOT-25-5	Each (Supplied on Cut Tape) Cut Tape	1+ $1.720($1.89) 10+ $1.120($1.23) 50+ $1.060($1.17) 100+ $0.994($1.09)	Constant Frequency	-	2.8V	16V	1Outputs	-	100%	SOT-25	5Pins	1MHz	Buck (Step Down)	-40°C	85°C	-	-
MAX17693AATC+	3770737 Data Sheet RoHS	ANALOG DEVICES DC/DC Controller Flyback 6.2 to 60V Supply 1 Output 68% Duty Cycle 350 kHz TDFN-EP-12	Each	1+ $4.800($5.28) 10+ $3.600($3.96) 25+ $3.300($3.63) 100+ $2.970($3.27) 250+ $2.810($3.09) More Pricing...	Current Mode Control	-	4.2V	60V	1Outputs	-	68%	TDFN-EP	12Pins	350kHz	Flyback	-40°C	125°C	-	-
XC9103D092MR-G	3535624 Data Sheet RoHS	TOREX DC/DC Controller Boost 1.8V to 10V Supply 1 Output 81% Duty Cycle 180 kHz SOT-25-5	Each (Supplied on Cut Tape) Cut Tape	1+ $2.380($2.62) 10+ $1.560($1.72) 50+ $1.480($1.63) 100+ $1.390($1.53) 250+ $1.320($1.45) More Pricing...	Current Mode Control	-	1.8V	10V	1Outputs	-	81%	SOT-25	5Pins	180kHz	Boost (Step Up)	-40°C	85°C	-	-
MAX15157DATJ+	3796454 Data Sheet RoHS	ANALOG DEVICES DC/DC Controller Buck 8 to 60V Supply 1 Output 50% Duty Cycle 1 MHz TQFN-EP-32	Each	1+ $23.880($26.27) 10+ $18.900($20.79) 25+ $17.660($19.43) 100+ $16.290($17.92) 490+ $15.970($17.57) More Pricing...	Current Mode Control	-	8V	60V	1Outputs	-	50%	TQFN-EP	32Pins	1MHz	Buck (Step Down)	-40°C	125°C	-	-
LTC7803JMSE#WPBF	4033911 Data Sheet RoHS	ANALOG DEVICES DC/DC Controller Synchronous Buck 4.5V to 40V Supply 1 Output 100% Duty Cycle 3MHz MSOP-EP-16	Each	1+ $11.150($12.26) 10+ $8.630($9.49) 37+ $7.760($8.54) 111+ $7.230($7.95) 259+ $6.930($7.62) More Pricing...	Current Mode Control	-	4.5V	40V	1Outputs	-	100%	MSOP-EP	16Pins	3MHz	Synchronous Buck (Step Down)	-40°C	150°C	-	AEC-Q100
LTC3872EDDB#TRMPBF	4026546 Data Sheet RoHS	ANALOG DEVICES DC/DC Controller Boost 2.75V to 9.8V Supply 1 Output 550kHz DFN-EP-8	Each (Supplied on Cut Tape) Cut Tape	1+ $9.240($10.16) 10+ $7.090($7.80) 25+ $6.550($7.20) 100+ $5.950($6.54) 250+ $5.910($6.50) More Pricing...	Current Mode Control	-	2.75V	9.8V	1Outputs	-	-	DFN-EP	8Pins	550kHz	Boost (Step Up)	-40°C	85°C	-	-
LTC3787IUFD#TRPBF	4026442 Data Sheet RoHS	ANALOG DEVICES DC/DC Controller Synchronous Boost 4.5V to 38V Supply 1 Output 96% Duty Cycle 760kHz QFN-EP-28	Each (Supplied on Cut Tape) Cut Tape	1+ $18.780($20.66) 10+ $14.750($16.23) 25+ $13.740($15.11) 100+ $12.930($14.22) 250+ $12.680($13.95) More Pricing...	Current Mode Control	-	4.5V	38V	1Outputs	-	96%	QFN-EP	28Pins	760kHz	Synchronous Boost (Step Up)	-40°C	125°C	-	-
LTC3884EUK#PBF	4026562 Data Sheet RoHS	ANALOG DEVICES DC/DC Controller Synchronous Buck 4.5V to 38V Supply 2 Output 1MHz QFN-EP-48	Each	1+ $28.430($31.27) 10+ $22.640($24.90) 52+ $20.270($22.30) 104+ $19.560($21.52) 260+ $18.810($20.69) More Pricing...	Current Mode Control	-	4.5V	38V	2Outputs	-	-	QFN-EP	48Pins	1MHz	Synchronous Buck (Step Down)	-40°C	125°C	-	-
LTC3850EUF#TRPBF	4026496 Data Sheet RoHS	ANALOG DEVICES DC/DC Controller Synchronous Buck 4V to 24V Supply 2 Output 97.2% Duty Cycle 780kHz QFN-EP-28	Each (Supplied on Cut Tape) Cut Tape	1+ $11.940($13.13) 10+ $9.250($10.18) 25+ $8.570($9.43) 100+ $7.860($8.65) 250+ $7.710($8.48) More Pricing...	Current Mode Control	-	4V	24V	2Outputs	-	97.2%	QFN-EP	28Pins	780kHz	Synchronous Buck (Step Down)	-40°C	85°C	-	-
LTC3824IMSE#TRPBF	4026485 Data Sheet RoHS	ANALOG DEVICES DC/DC Controller Buck 4V to 60V Supply 1 Output 100% Duty Cycle 400kHz MSOP-EP-10	Each (Supplied on Cut Tape) Cut Tape	1+ $11.620($12.78) 10+ $8.990($9.89) 25+ $8.320($9.15) 100+ $7.630($8.39) 250+ $7.480($8.23) More Pricing...	Current Mode Control	-	4V	60V	1Outputs	-	100%	MSOP-EP	10Pins	400kHz	Buck (Step Down)	-40°C	125°C	-	-
LTC7803JUD#WPBF	4033914 Data Sheet RoHS	ANALOG DEVICES DC/DC Controller Synchronous Buck 4.5V to 40V Supply 1 Output 100% Duty Cycle 3MHz QFN-EP-16	Each	1+ $11.360($12.50) 10+ $8.780($9.66) 25+ $8.140($8.95) 121+ $7.350($8.09) 363+ $6.970($7.67) More Pricing...	Current Mode Control	-	4.5V	40V	1Outputs	-	100%	QFN-EP	16Pins	3MHz	Synchronous Buck (Step Down)	-40°C	150°C	-	AEC-Q100
LTC3859ALIUHF#WPBF	4176075 Data Sheet RoHS	ANALOG DEVICES DC/DC Controller Synchronous Boost/Buck 4.5-38V Supply 3 O/P 100% Duty Cycle 835kHz QFN-EP-38	Each	1+ $25.440($27.98) 10+ $20.190($22.21) 52+ $18.050($19.86) 104+ $17.400($19.14) 260+ $16.720($18.39) More Pricing...	Current Mode Control	-	4.5V	38V	3Outputs	-	100%	QFN-EP	38Pins	835kHz	Synchronous Boost, Synchronous Buck	-40°C	125°C	-	AEC-Q100
LT3740EDHC#PBF	4026231 Data Sheet RoHS	ANALOG DEVICES DC/DC Controller Synchronous Buck 2.2 V to 22 V Supply 1 Output 1MHz DFN-EP-16	Each	1+ $9.910($10.90) 10+ $7.610($8.37) 73+ $6.530($7.18) 146+ $6.280($6.91) 292+ $6.070($6.68) More Pricing...	Current Mode Control	-	2.2V	22V	1Outputs	-	-	DFN-EP	16Pins	1MHz	Synchronous Buck (Step Down)	-40°C	85°C	-	-
LTC3855EUJ#PBF	4026515 Data Sheet RoHS	ANALOG DEVICES DC/DC Controller Synchronous Buck 4.5V to 38V Supply 2 Output 95% Duty Cycle 770kHz QFN-EP-40	Each	1+ $15.710($17.28) 10+ $12.260($13.49) 61+ $10.740($11.81) 122+ $10.330($11.36) 305+ $9.910($10.90) More Pricing...	Current Mode Control	-	4.5V	38V	2Outputs	-	95%	QFN-EP	40Pins	770kHz	Synchronous Buck (Step Down)	-40°C	85°C	-	-
LTC3851AIMSE#PBF	4026505 Data Sheet RoHS	ANALOG DEVICES DC/DC Controller Synchronous Buck 4V to 38V Supply 1 Output 99% Duty Cycle 750kHz MSOP-EP-16	Each	1+ $9.870($10.86) 10+ $7.590($8.35) 37+ $6.810($7.49) 111+ $6.350($6.98) 259+ $6.080($6.69) More Pricing...	Current Mode Control	-	4V	38V	1Outputs	-	99%	MSOP-EP	16Pins	750kHz	Synchronous Buck (Step Down)	-40°C	125°C	-	-
LTC3787IUFD#TRPBF	4026442RL Data Sheet RoHS	ANALOG DEVICES DC/DC Controller Synchronous Boost 4.5V to 38V Supply 1 Output 96% Duty Cycle 760kHz QFN-EP-28	Each (Supplied on Cut Tape) Re-Reel	10+ $14.750($16.23) 25+ $13.740($15.11) 100+ $12.930($14.22) 250+ $12.680($13.95) 500+ $12.420($13.66)	Current Mode Control	-	4.5V	38V	1Outputs	-	96%	QFN-EP	28Pins	760kHz	Synchronous Boost (Step Up)	-40°C	125°C	-	-
LT8300IS5#WTRMPBF	4026306RL Data Sheet RoHS	ANALOG DEVICES DC/DC Controller Isolated Flyback 6V to 100V Supply 1 Output 750kHz TSOT-23-5	Each (Supplied on Cut Tape) Re-Reel	10+ $14.220($15.64) 25+ $13.240($14.56) 100+ $12.440($13.68) 250+ $12.200($13.42) 500+ $11.950($13.14)	Current Mode Control	-	6V	100V	1Outputs	-	-	TSOT-23	5Pins	750kHz	Isolated Flyback	-40°C	125°C	-	AEC-Q100
LT1738IG#PBF	4026224 Data Sheet RoHS	ANALOG DEVICES DC/DC Controller Boost Cuk Flyback 4V to 20V Supply 1 Output 93.5% Duty Cycle 250kHz SSOP-20	Each	1+ $21.680($23.85) 10+ $17.110($18.82) 66+ $15.040($16.54) 132+ $14.510($15.96) 264+ $14.090($15.50) More Pricing...	Current Mode Control	-	4V	20V	1Outputs	-	93.5%	SSOP	20Pins	250kHz	Boost, Cuk, Flyback	-40°C	85°C	-	-
LTC3851EMSE#PBF	4026507 Data Sheet RoHS	ANALOG DEVICES DC/DC Controller Synchronous Buck 4 V to 38 V Supply 1 Output 99% Duty Cycle 750kHz MSOP-EP-16	Each	1+ $8.880($9.77) 10+ $6.800($7.48) 37+ $6.090($6.70) 111+ $5.670($6.24) 259+ $5.420($5.96) More Pricing...	Current Mode Control	-	4V	38V	1Outputs	-	99%	MSOP-EP	16Pins	750kHz	Synchronous Buck (Step Down)	-40°C	85°C	-	-