
The MCP1253-33X50 and MCP1253-ADJ?are?inductorless, positive regulating, low noise charge pump DC-to-DC converters.?The MCP1253-33X50?has selectable outputs of either 3.3 or 5.0 V, while the MCP1253-ADJ has an adjustable?output between 1.5 and 5.5 V.?Both can deliver 120 mA of load current at the selected regulated output voltage. Since the device incorporates an automatic buck/boost feature, it will maintain the regulated output voltage whether the input voltage is above or below the output voltage. These charge pumps operateat a switching frequency of 1 MHz (reducing capacitor sizes), and feature?power saving shutdown pins, short circuit protection, thermal shutdown,?and?power-good pins that?report out-of-regulation conditions.
Wide 2.1 to 5.0V input range
Fixed, regulated 3.3 V, 5.0 V, or adjustable (1.5 to 5.5 V) outputs
Supplies regulated output voltages?for up to 120 mA loads
Low 60 μA supply current in no load conditions
High 2.5% voltage accuracy (on fixed voltage outputs)
High?1 MHz operation to aoivd interference with IF bands and allows for small capacitor use to save board space and cost
Logic level shutdown control reduces current consumption to 0.1 μA during standby operation
Power-good output indicator with hysteresis
Thermal shutdown protection with hysteresis
Short circuit protection
Soft-start circuitry to minimize inrush current
-40 oC to +85 oC operation
MCP1253 封裝圖
MCP1253 封裝圖
型號(hào) | 制造商 | 描述 | 購(gòu)買 |
---|---|---|---|
MCP1253T-33X50I/MS | - | - | 立即購(gòu)買 |
MCP1253-ADJI/MS | EPCOS/TDK | THERMISTOR NTC 150 OHM 5% 0603 | 立即購(gòu)買 |
MCP1253-33X50I/MS | EPCOS/TDK | THERMISTOR NTC 1.5K OHM 5% 0603 | 立即購(gòu)買 |
Wurth | 排針 間距2.54mm 2x20P 直插 | 立即購(gòu)買 |
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