Integrated Circuits (ICs)

MAX1844ETP+

Obsolete

IC REG CTRLR BUCK 20-TQFN

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Integrated Circuits (ICs)

Obsolete

IC REG CTRLR BUCK 20-TQFN

Technical Specifications

Parameters and characteristics for this part

Specification	MAX1844ETP+

Clock Sync	False
Control Features	Enable, Current Limit, On Time Control, Power Good
Frequency - Switching	300 kHz, 450 kHz, 200 kHz, 600 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-WFQFN Exposed Pad
Supplier Device Package	20-TQFN (4x4)
Synchronous Rectifier	True
Topology	Buck
Voltage - Supply (Vcc/Vdd) [Max]	5.5 V
Voltage - Supply (Vcc/Vdd) [Min]	4.5 V

Part	Operating Temperature [Max]	Operating Temperature [Min]	Package / Case	Number of Outputs	Applications	Voltage - Output [Max]	Voltage - Output [Min]	Supplier Device Package	Mounting Type	Voltage - Input [Min]	Voltage - Input [Max]	Control Features	Function	Output Type	Output Configuration	Topology	Frequency - Switching	Output Phases	Package / Case [custom]	Package / Case [custom]	Voltage - Supply (Vcc/Vdd) [Max]	Voltage - Supply (Vcc/Vdd) [Min]
Analog Devices Inc./Maxim Integrated MAX1844ETP	85 °C	-40 °C	20-WQFN Exposed Pad	1	Controller Notebook Power System	1.8 V 5.5 V	1 V 2.5 V	20-TQFN (5x5)	Surface Mount	2 V 4.5 V	5.5 V 28 V
Analog Devices Inc./Maxim Integrated MAX1844EGP	85 °C	-40 °C	20-VQFN Exposed Pad	1	Controller Notebook Power System	1.8 V 5.5 V	1 V 2.5 V	20-QFN (5x5)	Surface Mount	2 V 4.5 V	5.5 V 28 V
Analog Devices Inc./Maxim Integrated MAX1844EEP+	85 °C	-40 °C	20-SSOP	1				20-QSOP	Surface Mount			Current Limit Enable On Time Control Power Good	Step-Down	Transistor Driver	Positive	Buck	200 kHz 300 kHz 450 kHz 600 kHz	1	0.154 in	3.9 mm	5.5 V	4.5 V
Analog Devices Inc./Maxim Integrated MAX1844ETP+	85 °C	-40 °C	20-WFQFN Exposed Pad	1				20-TQFN (4x4)	Surface Mount			Current Limit Enable On Time Control Power Good	Step-Down	Transistor Driver	Positive	Buck	200 kHz 300 kHz 450 kHz 600 kHz	1			5.5 V	4.5 V

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

Distributor	Package	Quantity	$

General part information

Buck Regulator Positive Output Step-Down DC-DC Controller IC 20-TQFN (4x4)

Technical documentation and resources