Specification	MAX25203AATJE/VY+

Clock Sync	True
Control Features	Sync, Dead Time Control, Enable, Frequency Control, Soft Start, Current Limit
Frequency - Switching [Max]	2.1 MHz
Frequency - Switching [Min]	220 kHz
Function	Step-Up
Mounting Type	Wettable Flank, Surface Mount
Number of Outputs	1
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-40 C
Output Configuration	Positive
Output Phases	2
Output Type	Transistor Driver
Supplier Device Package	32-WETQFN (5x5)
Synchronous Rectifier	True
Topology	Boost
Voltage - Supply (Vcc/Vdd) [Max]	36 V
Voltage - Supply (Vcc/Vdd) [Min]	4.5 V

MAX25203 Series

Part	Output Type	Frequency - Switching [Max]	Frequency - Switching [Min]	Output Configuration	Function	Output Phases	Topology	Control Features	Number of Outputs	Operating Temperature [Max]	Operating Temperature [Min]	Supplier Device Package	Mounting Type	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]
Analog Devices Inc./Maxim Integrated MAX25203QATJA/VY+	Transistor Driver	2.1 MHz	220 kHz	Positive	Step-Up	2	Boost	Current Limit Dead Time Control Enable Frequency Control Soft Start Sync	1	125 °C	-40 °C	32-WETQFN (5x5)	Surface Mount Wettable Flank	1.8 V	36 V
Analog Devices Inc./Maxim Integrated MAX25203ATJA/VY+	Transistor Driver	2.1 MHz	220 kHz	Positive	Step-Up	2	Boost	Current Limit Dead Time Control Enable Frequency Control Soft Start Sync	1	125 °C	-40 °C	32-WETQFN (5x5)	Surface Mount Wettable Flank	1.8 V	36 V
Analog Devices Inc./Maxim Integrated MAX25203ATJD/VY+	Transistor Driver	2.1 MHz	220 kHz	Positive	Step-Up	2	Boost	Current Limit Dead Time Control Enable Frequency Control Soft Start Sync	1	125 °C	-40 °C	32-WETQFN (5x5)	Surface Mount Wettable Flank	1.8 V	36 V
Analog Devices Inc./Maxim Integrated MAX25203AATJD/VY+	Transistor Driver	2.1 MHz	220 kHz	Positive	Step-Up	2	Boost	Current Limit Dead Time Control Enable Frequency Control Soft Start Sync	1	125 °C	-40 C	32-WETQFN (5x5)	Surface Mount Wettable Flank	4.5 V	36 V
Analog Devices Inc./Maxim Integrated MAX25203QATJA/VY+T	Transistor Driver	2.1 MHz	220 kHz	Positive	Step-Up	2	Boost	Current Limit Dead Time Control Enable Frequency Control Soft Start Sync	1	125 °C	-40 °C	32-WETQFN (5x5)	Surface Mount Wettable Flank	1.8 V	36 V
Analog Devices Inc./Maxim Integrated MAX25203BATJA/VY+	Transistor Driver	2.1 MHz	220 kHz	Positive	Step-Up	2	Boost	Current Limit Dead Time Control Enable Frequency Control Soft Start Sync	1	125 °C	-40 °C	32-WETQFN (5x5)	Surface Mount Wettable Flank	1.8 V	36 V
Analog Devices Inc./Maxim Integrated MAX25203AATJE/VY+	Transistor Driver	2.1 MHz	220 kHz	Positive	Step-Up	2	Boost	Current Limit Dead Time Control Enable Frequency Control Soft Start Sync	1	125 °C	-40 C	32-WETQFN (5x5)	Surface Mount Wettable Flank	4.5 V	36 V
Analog Devices Inc./Maxim Integrated MAX25203ATJE/VY+T	Transistor Driver	2.1 MHz	220 kHz	Positive	Step-Up	2	Boost	Current Limit Dead Time Control Enable Frequency Control Soft Start Sync	1	125 °C	-40 °C	32-WETQFN (5x5)	Surface Mount Wettable Flank	1.8 V	36 V
Analog Devices Inc./Maxim Integrated MAX25203BATJA/VY+T	Transistor Driver	2.1 MHz	220 kHz	Positive	Step-Up	2	Boost	Current Limit Dead Time Control Enable Frequency Control Soft Start Sync	1	125 °C	-40 °C	32-WETQFN (5x5)	Surface Mount Wettable Flank	1.8 V	36 V
Analog Devices Inc./Maxim Integrated MAX25203ATJA/VY+T	Transistor Driver	2.2 MHz	220 kHz	Positive	Step-Up	2	Boost	Current Limit Dead Time Control Enable Frequency Control Soft Start Sync	1	125 °C	-40 °C	32-WETQFN (5x5)	Surface Mount Wettable Flank	1.8 V	36 V

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	N/A	0	$ 2.83

Description

General part information

MAX25203 Series

The MAX25203 automotive dual-phase synchronous boost controller enables infotainment systems to stay in regulation during cold-crank or start-stop operation all the way down to a battery input of 1.8V. It can also be used to generate backlight voltage and Class D audio amplifier voltages. This device can start with an input voltage supply from 4.5V to 42V and can operate down to 1.8V after start-up, and has a low 5µA shutdown supply current.The MAX25203 operates at up to 2.1MHz frequency to allow small external components and reduced output ripple, and to guarantee no AM band interference. The switching frequency is resistor adjustable (220kHz to 2100kHz) or it can be synchronized on-the-fly to an external clock.The MAX25203 has a spread-spectrum option for frequency modulation to minimize EMI interference. A 90° out-of-phase clock output enables synchronizing a second MAX25203 for quad-phase operation.Pass-through operation has over 98% efficiency when the supply voltage exceeds the output regulation voltage. Programmable current-limit blanking handles high peak loads without oversizing the inductor.The MAX25203 features a power-OK monitor and undervoltage lockout. Protection features include cycle-by-cycle current limit and thermal shutdown. It operates over the -40°C to +125°C automotive temperature range.ApplicationsAutomotive Audio AmplifierInfotainment Systems