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LM3550,pdf datasheet (5A Flash
消耗积分:3 |
格式:rar |
大小:554 |
2009-09-30
靓仔峰
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LM3550 is a low noise, switched capacitor DC/DC converter
designed to operate as a current-limited and adjustable (up
to 5.3V) super-capacitor charger. LM3550 features user selectable
super-capacitor charge termination voltages and an
optimal charge termination mode that maximizes flash energy
efficiency by accounting for flash element losses. Additionally,
the device provides one adjustable constant-current output
(up to 200mA) and one NFET controller ideal for driving one
or more high current LEDs either in a high power Flash mode
or a low power Torch mode.
designed to operate as a current-limited and adjustable (up
to 5.3V) super-capacitor charger. LM3550 features user selectable
super-capacitor charge termination voltages and an
optimal charge termination mode that maximizes flash energy
efficiency by accounting for flash element losses. Additionally,
the device provides one adjustable constant-current output
(up to 200mA) and one NFET controller ideal for driving one
or more high current LEDs either in a high power Flash mode
or a low power Torch mode.
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