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AME5170 pdf datasheet (fixed o
消耗积分:3 |
格式:rar |
大小:333 |
2008-12-01
王刚
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The AME5170 is a fixed off-time step-up DC/DC converter
in a small SOT-25 package. The AME5170 is ideal
for LCD panels requiring low current and high efficiency
as well as LED application for cellular phone backlighting,
PDAs, and other hand-held devices. The low 400ns off
time allows the use of tiny external components.
AME5170 is designed to drive up to four white LEDs in
series with a constant current from a single Li-lon battery.
To control LED brightness, the LED current can be
adjusted by applying a PWM (pulse width modulated)
signal with a frequency range of 100Hz to 50KHz to the
EN pin.
in a small SOT-25 package. The AME5170 is ideal
for LCD panels requiring low current and high efficiency
as well as LED application for cellular phone backlighting,
PDAs, and other hand-held devices. The low 400ns off
time allows the use of tiny external components.
AME5170 is designed to drive up to four white LEDs in
series with a constant current from a single Li-lon battery.
To control LED brightness, the LED current can be
adjusted by applying a PWM (pulse width modulated)
signal with a frequency range of 100Hz to 50KHz to the
EN pin.
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