LM3668SD-2833 NSC [National Semiconductor], LM3668SD-2833 Datasheet - Page 10

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

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Typical Switching Waveform in Buck Mode
Typical Switching Waveform in Buck Mode
V
V
IN
V
IN
IN
= 3.5V, V
= 3.6V, V
Load Transient in Boost Mode
= 3.6V, V
(Forced PWM Mode)
OUT
OUT
(PWM Mode)
OUT
(PFM Mode)
= 5.0V, Load = 0-500mA
= 3.0V, Load = 500mA
= 3.0V, Load = 50mA
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Typical Switching Waveformt in Boost Mode
Typical Switching Waveform in Boost Mode
Typical Switching Waveform in Boost Mode
V
V
V
IN
IN
IN
= 2.7V, V
= 2.7V, V
= 3V, V
OUT
OUT
(PWM Mode)
(PWM Mode)
OUT
(PFM Mode)
= 3.4V, Load = 500mA
= 3.0V, Load = 500mA
= 3.0V, Load = 50mA
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