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LM5010A High Voltage 1A Step Down Switching Regulator


source | post time2010-05-02

Part Number(s)
(NSID)
Top View Type Pins MSL Rating Peak Reflow RoHS
Status
CAD Symbols Models Package
Marking
Format
LM5010AMH/NOPB
LM5010AMH
TSSOP EXP PAD 14 1
1
260
260
Detail Download N/A
NSUZXYTT
L5010
AMH
LM5010AMHX/NOPB
LM5010AMHX
TSSOP EXP PAD 14 1
1
260
260
Detail Download N/A
NSUZXYTT
L5010
AMH
LM5010AQ0MH/NOPB
TSSOP EXP PAD 14 1 260 Detail Download N/A
NSUZXYTT
L5010A
Q0MH
LM5010AQ0MHX/NOPB
TSSOP EXP PAD 14 1 260 Detail Download N/A
NSUZXYTT
L5010A
Q0MH
LM5010AQ1MH/NOPB
TSSOP EXP PAD 14 1 260 Detail Download N/A
NSUZXYTT
L5010A
Q1MH
LM5010AQ1MHX/NOPB
TSSOP EXP PAD 14 1 260 Detail Download N/A
NSUZXYTT
L5010A
Q1MH
LM5010ASD/NOPB
LM5010ASD
LLP 10 1
1
260
260
Detail Download N/A
NS
UZXYTT
L00065B
LM5010ASDX/NOPB
LM5010ASDX
LLP 10 1
1
260
260
Detail Download N/A
NS
UZXYTT
L00065B

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Description

The LM5010A Step Down Switching Regulator is an enhanced version of the LM5010 with the input operating range extended to 6V minimum. The LM5010A features all the functions needed to implement a low cost, efficient, buck regulator capable of supplying in excess of 1A load current. This high voltage regulator integrates an N-Channel Buck Switch, and is available in thermally enhanced LLP-10 and TSSOP-14EP packages. The constant on-time regulation scheme requires no loop compensation resulting in fast load transient response and simplified circuit implementation. The operating frequency remains constant with line and load variations due to the inverse relationship between the input voltage and the on-time. The valley current limit detection is set at 1.25A. Additional features include: VCC under-voltage lock-out, thermal shutdown, gate drive under-voltage lock-out, and maximum duty cycle limiter.

Features

Wide 6V to 75V Input Voltage Range
Valley Current Limiting At 1.25A
Programmable Switching Frequency Up To 1 MHz
Integrated 80V N-Channel Buck Switch
Integrated High Voltage Bias Regulator
No Loop Compensation Required
Ultra-Fast Transient Response
Nearly Constant Operating Frequency With Line and Load Variations
Adjustable Output Voltage
2.5V, 2% Feedback Reference
Programmable Soft-Start
Thermal shutdown
LM5010AQ is AEC-Q100 Grade 1 & 0 qualified

Diagrmas

Typical Application
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Block Diagram
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Typical Performance
*click for larger image


 


PrevLM5010 High Voltage 1A Step Down Switching Regulator
NextLM5574 SIMPLE SWITCHER® 75V, 0.5A Step-Down Switching Regulator


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