1A SIMPLE SWITCHER® Nano Module with 5.5V Maximum Input Voltage
LMZ10501
October 5, 2011
1A SIMPLE SWITCHER® Nano Mod...
1A SIMPLE SWITCHER® Nano Module with 5.5V Maximum Input
Voltage
LMZ10501
October 5, 2011
1A SIMPLE SWITCHER® Nano Module with 5.5V Maximum Input
Voltage
8 Pin LLP-Footprint Package
System Performance
(Quick Overview Links: VOUT = 1.2V, 1.8V, 2.5V, 3.3V)
SE08A 8 Pin Package
30124731
3.0 x 2.5 x 1.2 mm (0.118 x 0.098 x 0.047 in)
RoHS Compliant
Electrical Specifications
■ Up to 1A 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 301247
RADIATED EMISSIONS (dBμV/m)
EFFICIENCY (%)
Typical Efficiency at VIN = 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...