Specification	MAX8544EEP+

Clock Sync	True
Control Features	Soft Start, Current Limit, Power Good, Enable
Frequency - Switching [Max]	1.2 MHz
Frequency - Switching [Min]	800 kHz
Function	Step-Down
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature [Max]	85 C
Operating Temperature [Min]	-40 ¯C
Output Configuration	Positive
Output Phases	1
Output Type	Transistor Driver
Package / Case	20-SSOP
Package / Case [x]	0.154 in
Package / Case [y]	3.9 mm
Supplier Device Package	20-QSOP
Synchronous Rectifier	True
Topology	Buck
Voltage - Supply (Vcc/Vdd) [Max]	13.2 V
Voltage - Supply (Vcc/Vdd) [Min]	3 V

MAX8544 Series

Part	Package / Case [x]	Package / Case [y]	Package / Case	Frequency - Switching [Min]	Frequency - Switching [Max]	Control Features	Operating Temperature [Max]	Operating Temperature [Min]	Mounting Type	Function	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Output Type	Output Configuration	Supplier Device Package	Output Phases	Topology	Number of Outputs
Analog Devices Inc./Maxim Integrated MAX8544EEP+	0.154 in	3.9 mm	20-SSOP	800 kHz	1.2 MHz	Current Limit Enable Power Good Soft Start	85 C	-40 ¯C	Surface Mount	Step-Down	3 V	13.2 V	Transistor Driver	Positive	20-QSOP	1	Buck	1
Analog Devices Inc./Maxim Integrated MAX8544EEP+T	0.154 in	3.9 mm	20-SSOP	800 kHz	1.2 MHz	Current Limit Enable Power Good Soft Start	85 C	-40 ¯C	Surface Mount	Step-Down	3 V	13.2 V	Transistor Driver	Positive	20-QSOP	1	Buck	1
Analog Devices Inc./Maxim Integrated MAX8544EEP	0.154 in	3.9 mm	20-SSOP	800 kHz	1.2 MHz	Current Limit Enable Power Good Soft Start	85 C	-40 ¯C	Surface Mount	Step-Down	3 V	13.2 V	Transistor Driver	Positive	20-QSOP	1	Buck	1

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	$ 5.53
	Tube	1	$ 6.64
		10	$ 4.50
		25	$ 3.95
		100	$ 3.33
		250	$ 3.02
		500	$ 2.84
		1000	$ 2.69
		2500	$ 2.53
Mouser	N/A	1	$ 7.07
		10	$ 5.51
		50	$ 4.43
		100	$ 4.05
		250	$ 3.03
		500	$ 2.86

Description

General part information

MAX8544 Series

The MAX8543/MAX8544 current-mode, constant-frequency PWM buck controllers operate from a 3V to 13.2V input supply and generate adjustable 0.8V to 0.9 x VINoutput voltages at loads up to 25A. They feature adjustable switching frequency and synchronization for noise-sensitive applications.The MAX8543/MAX8544 can start with (or without) a preexisting bias on the output, without discharging the output. This feature simplifies tracking supply designs for core and I/O applications and redundant supply designs.The MAX8543/MAX8544 use the DC resistance of the output inductor as the current-sense element for lossless, low-cost current sensing. The current-sense threshold can be set to four discrete levels to accommodate inductors with different DC resistance values.The MAX8544 features a power-OK monitor and two MAX8544 controllers that can operate at 180° out-of-phase for dual-output applications.ApplicationsNetworks and TelecomServersStorageWireless Base Stations