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AP1605,pdf,datasheet (PWM/PFM
消耗积分:3 |
格式:rar |
大小:433 |
2009-10-19
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AP1605 consists of CMOS step-down switching
regulator with PWM/PFM dual mode control. These
devices include a reference voltage source, oscillation
circuit, error amplifier, internal PMOS and etc.
AP1605 provides low-ripple power, high efficiency,
and excellent transient characteristics. The
PWM/PFM control circuit is able to very the duty ratio
linearly 0%~0.25% (PFM) and 25%~100% (PWM).
With the addition of an internal P-channel Power MOS,
a coil, capacitors, and a diode connected externally,
these ICs can function as step-down switching
regulators. They serve as ideal power supply units for
portable devices when coupled with the SOP–8L
mini-package, providing such outstanding features as
low current consumption. Since this converter can
accommodate an input voltage of up to 7V, it is also
ideal when operating via an AC adapter.
regulator with PWM/PFM dual mode control. These
devices include a reference voltage source, oscillation
circuit, error amplifier, internal PMOS and etc.
AP1605 provides low-ripple power, high efficiency,
and excellent transient characteristics. The
PWM/PFM control circuit is able to very the duty ratio
linearly 0%~0.25% (PFM) and 25%~100% (PWM).
With the addition of an internal P-channel Power MOS,
a coil, capacitors, and a diode connected externally,
these ICs can function as step-down switching
regulators. They serve as ideal power supply units for
portable devices when coupled with the SOP–8L
mini-package, providing such outstanding features as
low current consumption. Since this converter can
accommodate an input voltage of up to 7V, it is also
ideal when operating via an AC adapter.
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