Integrated Circuits (ICs)

LM5642XMHX

Obsolete

Texas Instruments

IC REG CTRLR BUCK 28ETSSOP

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Integrated Circuits (ICs)

LM5642XMHX

Obsolete

Texas Instruments

IC REG CTRLR BUCK 28ETSSOP

Deep-Dive with AI

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	LM5642XMHX

Clock Sync	True
Control Features	Current Limit, Soft Start, Enable
Duty Cycle (Max) [Max]	98.9 %
Frequency - Switching	375 kHz
Function	Step-Down
Mounting Type	Surface Mount
Number of Outputs	2
Operating Temperature [Max]	125 ¯C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive
Output Phases	2
Output Type	Transistor Driver
Package / Case	28-PowerTSSOP
Package / Case [custom]	4.4 mm
Package / Case [custom]	0.173 "
Supplier Device Package	28-HTSSOP
Synchronous Rectifier	True
Topology	Buck
Voltage - Supply (Vcc/Vdd) [Max]	36 V
Voltage - Supply (Vcc/Vdd) [Min]	4.5 V

LM5642 Series

Part	Topology	Output Type	Function	Frequency - Switching	Output Configuration	Mounting Type	Number of Outputs	Package / Case [custom]	Package / Case	Package / Case [custom]	Output Phases	Operating Temperature [Min]	Operating Temperature [Max]	Control Features	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Supplier Device Package	Duty Cycle (Max) [Max]	Package / Case	Package / Case [y]
Texas Instruments LM5642XMH/NOPB	Buck	Transistor Driver	Step-Down	375 kHz	Positive	Surface Mount	2	4.4 mm	28-PowerTSSOP	0.173 "	2	-40 °C	125 ¯C	Current Limit Enable Soft Start	4.5 V	36 V	28-HTSSOP	98.9 %
Texas Instruments LM5642XMTX/NOPB	Buck	Transistor Driver	Step-Down	375 kHz	Positive	Surface Mount	2		28-TSSOP		2	-40 °C	125 ¯C	Current Limit Enable Soft Start	4.5 V	36 V	28-TSSOP	98.9 %	0.173 in	4.4 mm
Texas Instruments LM5642XMHX	Buck	Transistor Driver	Step-Down	375 kHz	Positive	Surface Mount	2	4.4 mm	28-PowerTSSOP	0.173 "	2	-40 °C	125 ¯C	Current Limit Enable Soft Start	4.5 V	36 V	28-HTSSOP	98.9 %
Texas Instruments LM5642XMHX/NOPB	Buck	Transistor Driver	Step-Down	375 kHz	Positive	Surface Mount	2	4.4 mm	28-PowerTSSOP	0.173 "	2	-40 °C	125 ¯C	Current Limit Enable Soft Start	4.5 V	36 V	28-HTSSOP	98.9 %
Texas Instruments LM5642XMT/NOPB	Buck	Transistor Driver	Step-Down	375 kHz	Positive	Surface Mount	2		28-TSSOP		2	-40 °C	125 ¯C	Current Limit Enable Soft Start	4.5 V	36 V	28-TSSOP	98.9 %	0.173 in	4.4 mm
Texas Instruments LM5642XMH	Buck	Transistor Driver	Step-Down	375 kHz	Positive	Surface Mount	2	4.4 mm	28-PowerTSSOP	0.173 "	2	-40 °C	125 ¯C	Current Limit Enable Soft Start	4.5 V	36 V	28-HTSSOP	98.9 %
Texas Instruments LM5642MH/NOPB	Buck	Transistor Driver	Step-Down	200 kHz	Positive	Surface Mount	2	4.4 mm	28-PowerTSSOP	0.173 "	2	-40 °C	125 ¯C	Current Limit Enable Soft Start	4.5 V	36 V	28-HTSSOP	98.9 %
Texas Instruments LM5642MTCX/NOPB	Buck	Transistor Driver	Step-Down	200 kHz	Positive	Surface Mount	2		28-TSSOP		2	-40 °C	125 ¯C	Current Limit Enable Soft Start	4.5 V	36 V	28-TSSOP	98.9 %	0.173 in	4.4 mm
Texas Instruments LM5642MTCX	Buck	Transistor Driver	Step-Down	200 kHz	Positive	Surface Mount	2		28-TSSOP		2	-40 °C	125 ¯C	Current Limit Enable Soft Start	4.5 V	36 V	28-TSSOP	98.9 %	0.173 in	4.4 mm
Texas Instruments LM5642MTC	Buck	Transistor Driver	Step-Down	200 kHz	Positive	Surface Mount	2		28-TSSOP		2	-40 °C	125 ¯C	Current Limit Enable Soft Start	4.5 V	36 V	28-TSSOP	98.9 %	0.173 in	4.4 mm

Pricing

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

Distributor	Package	Quantity	$

Description

General part information

LM5642 Series

Buck Regulator Positive Output Step-Down DC-DC Controller IC 28-HTSSOP

Documents

Technical documentation and resources

No documents available