SIMPLE SWITCHER Power Modules

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SIMPLE SWITCHERPower Modules
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What is Simple Switcher Power Modules?
Design Novice
Design Generalist
Simple Switcher Power Module
Simple Switcher Simple Switcher Controller
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More Integration
Synchronous
(Internal-FET) Regulators

• Design requirements
• Choose right inductor
• Select the switching frequency
• Layout requirements
• Optimize the switch node
• Place the inductor

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Simple Switcher Power Modules (1st Generation)
Vin(V)
42V
36V
24V Rail
12V Rail
6V
5.5V
5V Rail
2.95V
Iout(A)
1.0 3.0 5.0
10 20
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Nationals Value Advantage

• Heat dissipation
• Does not require air-flow
• Excels in thermal performance
• Ease-of-Use packaging
• One solid exposed pad on the bottomwith standard
  IC leads
• Easy prototyping and manufacturing
• Low EMI with shielded inductor

42oC case
46oC case
National (LMZ10504)
Competitor
Operating Conditions VIN5.0V, VOUT1.8V, IOUT
4A
National Semiconductor
Competitors
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Proprietary Packaging Technology

• Ease-of-Use package technology
• Patent pending custom lead frame design with
  single external exposed pad
• Excellent thermal dissipation
• Easy for designer to layout
• Ease of manufacturing / standard pick-and-place
  machine can be used

10.16 mm
4.57 mm
9.85 mm
3.92 mm
National Semiconductor
Competitor packages difficult to layout and
manufacture
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LMZ10503/04/05 5.5Vin, 3A, 4A, 5A Simple
Switcher Power Module

• Features
• 2.95V 5.5V Wide Input Voltage Range
• Adjustable 0.8V-5V output
• Load currents up to 4A
• LMZ10503 3A
• LMZ10504 4A
• LMZ10505 5A
• Peak efficiency of 96
• 2 maximum output tolerance over full line and
  load condition
• External Soft-Start
• Enable pin
• Pre-biased load capability
• Integrated protection features current limit,
  OVP, UVLO, and thermal shutdown
• TO263-7 like package
• Single-Exposed PAD
• Excellent thermal performance
• -40ºC to 125ºC operating junction temperature
  range
• Applications
• Point-of-Load Conversion from the 3.3V and 5V
  rail

Ease-of-Use Pin-out and footprint the same for
all currents in family
Sampling End June
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LMZ14201/02/03 42Vin, 1A, 2A, 3A, Simple
Switcher Power Module

• Features
• 6V 42V Wide Input Voltage Range
• Adjustable 0.8V-12V output
• Load currents up to 3A
• LMZ14201 1A
• LMZ14202 2A
• LMZ14203 3A
• Peak efficiency of 92
• 2 maximum output tolerance over full line and
  load condition
• Enable pin
• External soft-start
• Integrated protection features current limit,
  OVP, UVLO, and thermal shutdown
• TO263-7 like packages
• Single-Exposed PAD
• Excellent thermal performance
• -40ºC to 125ºC operating junction temperature
  range
• Applications
• Conversions from Standard 24V, 12V Input Rails
• Loosely regulated distribution bus systems

Sampling End July
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LMZ13606/08/10 36Vin, 6A, 8A, 10A, Simple
Switcher Power Module

• Features
• 6V 36V Wide Input Voltage Range
• Adjustable 0.6V-5V output
• Load currents up to 10A
• LMZ13606 6A
• LMZ13608 8A
• LMZ13610 10A
• Peak efficiency of 94
• 3 maximum output tolerance over full line and
  load condition
• Enable pin
• Internal soft-start
• Integrated protection features current limit,
  OVP, UVLO, and thermal shutdown
• 9-pin leaded package w/ exposed thermal pad
• Single-Exposed PAD
• Excellent thermal performance
• -40ºC to 125ºC operating junction temperature
  range
• Applications
• Conversions from Standard 24V, 12V Input Rails
• Loosely regulated distribution bus systems

Sampling End July
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