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LM3668 데이터시트(PDF) 10 Page - Texas Instruments

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부품명 LM3668
상세설명  1A, High Efficiency Dual Mode Single Inductor Buck-Boost DC/DC Converter
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LM3668
SNVS449L – JUNE 2007 – REVISED MARCH 2011
www.ti.com
Typical Performance Characteristics (continued)
Typical Application Circuit (Figure 1): VIN = 3.6V, L = 2.2µH, CIN = 10µF, COUT = 22µF
(1), T
A = 25°C , unless otherwise stated.
Load Transient in Boost Mode
Load Transient in Buck-Boost Mode
(Forced PWM Mode)
(Forced PWM Mode)
VIN = 2.7V, VOUT = 3.0V, Load = 0-500mA
VIN = 3.05V, VOUT = 3.0V, Load = 0-500mA
Figure 29.
Figure 30.
Load Transient in Buck Mode
Load Transient in Boost Mode
(Auto Mode)
(Auto Mode)
VIN = 4.2V, VOUT = 3.3V, Load = 50-150mA
VIN = 2.7V, VOUT = 3.3V, Load = 50-150mA
Figure 31.
Figure 32.
Load Transient in Buck-Boost Mode
Load Transient in Buck Mode
(Auto Mode)
(Forced PWM Mode)
VIN = 3.6V, VOUT = 3.3V, Load = 50-150mA
VIN = 5.5V, VOUT = 5.0V, Load = 0-500mA
Figure 33.
Figure 34.
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