LM3668SD-2833 NSC [National Semiconductor], LM3668SD-2833 Datasheet - Page 11

• Manufacturer Part Number: LM3668SD-2833
• Description: 1A, High Efficiency Dual Mode Single Inductor Buck-Boost DC/DC Converter
• Manufacturer: NSC [National Semiconductor]

Typical Switching Waveform in Buck Mode
Typical Switching Waveform in Boost Mode
(PWM Mode)
(PFM Mode)
V
= 4V, V
= 3.4V, Load = 500mA
V
= 3V, V
= 3.4V, Load = 50mA
IN
OUT
IN
OUT
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20191467
Typical Switching Waveform in Buck Mode
Start up in PWM Mode
(PFM Mode)
(V
= 3.4V, Load = 1mA)
OUT
V
= 4V, V
= 3.4V, Load = 50mA
IN
OUT
20191429
20191468
Start up in PWM Mode
(V
= 3.4V, Load = 500mA)
OUT
20191430
11
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