LMZ10500 Datasheet, PDF (1/20 Pages) National Semiconductor (TI) – 650mA SIMPLE SWITCHER® Nano Module with 5.5V Maximum Input Voltage

LMZ10500
October 5, 2011
650mA SIMPLE SWITCHER® Nano Module with 5.5V
Maximum Input Voltage
8 Pin LLP-Footprint Package
System Performance
(Quick Overview Links: V_OUT = 1.2V, 1.8V, 2.5V, 3.3V)
SE08A 8 Pin Package
30161631
3.0 x 2.5 x 1.2 mm (0.118 x 0.098 x 0.047 in)
RoHS Compliant
Electrical Specifications
■ ^{Up to 650mA output current}
■ ^{Input voltage range 2.7V to 5.5V}
■ ^{Output voltage range 0.6V to 3.6V}
■ ^{Efficiency up to 95%}
Key Features
■ ^{Integrated inductor}
■ ^{Miniature form factor (3.0 mm x 2.5 mm x 1.2 mm)}
■ ^{8-pin LLP footprint}
■ ^{-40°C to 125°C junction temperature range}
■ ^{Adjustable output voltage}
■ ^{2.0MHz fixed PWM switching frequency}
■ ^{Integrated compensation}
■ ^{Soft start function}
■ ^{Current limit protection}
■ ^{Thermal shutdown protection}
■ ^{Input voltage UVLO for power-up, power-down, and}
brown-out conditions
■ ^{Only 5 external components — resistor divider and 3}
ceramic capacitors
Applications
■ ^{Point of load conversions from 3.3V and 5V rails}
■ ^{Space constrained applications}
■ ^{Low output noise applications}
Performance Benefits
■ ^{Small solution size}
■ ^{Low output voltage ripple}
■ ^{Easy component selection and simple PCB layout}
■ ^{High efficiency reduces system heat generation}
© 2011 National Semiconductor Corporation 301616
Typical Efficiency at V_IN = 3.6V
100
90
80
70
60
50
VOUT = 1.2V
40
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
30
20
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
LOAD CURRENT (A)
30161630
Output Voltage Ripple
V_IN = 5.0V, V_OUT = 1.8V, I_OUT = 650mA
30161633
Radiated EMI (CISPR22)
V_IN = 5.0V, V_OUT = 1.8V, I_OUT = 650mA
80
Emissions
70
CISPR 22 Class B Limit
CISPR 22 Class A Limit
60
50
40
30
20
10
0
0
200 400 600 800 1000
FREQUENCY (MHz)
30161632
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