simple switcher ® power modules. 2 target customers products what is simple switcher ® power...
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![Page 1: SIMPLE SWITCHER ® Power Modules. 2 Target Customers Products What is Simple Switcher ® Power Modules? Design Novice Design Generalist Simple Switcher](https://reader036.vdocument.in/reader036/viewer/2022062321/56649dd05503460f94ac532e/html5/thumbnails/1.jpg)
SIMPLE SWITCHER®
Power Modules
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Target Customers
Products
What is Simple Switcher® Power Modules?
Design NoviceDesign Generalist
Simple Switcher Power Module
Simple SwitcherSimple 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
Synchronous
(Internal-FET+Inductor) Regulators
+ +
Maximum Ease Of Use !
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Simple Switcher® Power Modules (1st Generation)
LMZ14201/02/03 LMZ13606/08/10
LMZ10503/04/05
1.0 3.0 5.0 10 20
Vin(V)
24V Rail
42V
12V Rail
36V
2.95V
6V 5.5V
5V Rail
Iout(A)
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National’s Value Advantage
• Heat dissipation– Does not require air-flow– Excels in thermal performance
• Ease-of-Use packaging– One solid exposed pad on the bottom
with standard IC leads– Easy prototyping and manufacturing
• Low EMI – with shielded inductor
Competitors
10.16 mm
9.85 mm
4.57 mm
NationalSemiconductor
National (LMZ10504) Competitor
≈42oC case ≈46oC case
Operating Conditions: VIN=5.0V, VOUT=1.8V, IOUT= 4A
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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
3.92 mm
4.57 mm
9.85 mm
NationalSemiconductor Competitor packages
difficult to layout and manufacture
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LMZ10503/04/05 5.5Vin, 3A, 4A, 5A Simple Switcher® Power Module
VIN
EN
SS GND FB
SW
CSS
RFB1
RFB2
Vout
Vin
RCOMP
CCOMP
CIN
EN
COUT
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
• Powering Digital ICs such as FPGAs, ASICs, DSPs
10.16 mm
4.57 mm
9.85 mm
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
Ron
CSS
RFB1
RFB2
Vout
Vin
CIN Cout
Ron
VIN
SS FB
VOUT
GND
ENEN
10.5 mm
9 mm
4.57 mm
Ease-of-Use: Pin-Out and Footprint the same for all currents in family
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
20 mm
20 mm
5 mm
Ease-of-Use: Pin-Out and Footprint the same for all currents in family
Sampling – End July
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