Datasheet Details
Part number:
SP6645
Manufacturer:
Sipex
File Size:
209.57 KB
Description:
High efficiency boost dc-dc regulator.
Datasheet Details
Part number:
SP6645
Manufacturer:
Sipex
File Size:
209.57 KB
Description:
High efficiency boost dc-dc regulator.
SP6645, High Efficiency Boost DC-DC Regulator
The SP6644/6645 devices are high-efficiency, low-power step-up DC-DC converters ideal for single or dual alkaline cell applications such as pagers, remote controls, pointing devices, medical monitors, and other low-power portable end products.
Designers can control the SP6644 device with an active
® SP6644/6645 Single/Dual Alkaline Cell, High Efficiency Boost DC-DC Regulator 90mA Output Current at 1.3V Input 190mA Output Current at 2.6V Input +2V to +5.5V Output Range 0.88V Guaranteed Start-Up 92% High Efficiency 1.6µA Quiescent Supply Current at VBATT Reverse Battery Protection Internal Synchronous Rectifier 5nA Logic Controlled Shutdown Current From VBATT Low-Battery Detection Active LOW Output VBAT 1 BATTL0 2 RLIM 3 SHDN 4
SP6645 Features
* an active low output for batteries below +1.0V. The SP6645 device features an active low output for batteries below +2.0V. Both devices contain a 0.8Ω synchronous rectifier, a 0.5Ω N-channel MOSFET power switch, an internal voltage reference, circuitry for pulsefrequency-modulation, and an under vol
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