| TYPE | DESCRIPTION |
|---|
| Mounting Style | Through Hole |
| Frequency | 500 kHz |
| Number of Pins | 8 Pin |
| Case/Package | PDIP-8 |
| Number of Outputs | 1 Output |
| Output Voltage | 2.7V ~ 5.5V |
| Output Current | 200 mA |
| Number of Positions | 8 Position |
| Switching Frequency | 500 kHz |
| Input Voltage (Max) | 5.5 V |
| Input Voltage (Min) | 0.7 V |
| Output Voltage (Max) | 5.5 V |
| Output Voltage (Min) | 2.7 V |
| Output Current (Max) | 0.2 A |
| Operating Temperature (Max) | 70 ℃ |
| Operating Temperature (Min) | 0 ℃ |
| Supply Voltage | 0.7 V |
| Supply Voltage (Max) | 7 V |
| Supply Voltage (Min) | 0.7 V |
| Input Voltage | 0.7V ~ 5.5V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Unknown |
| Packaging | Cut Tape (CT) |
| Size-Length | 9.91 mm |
| Size-Width | 7.87 mm |
| Size-Height | 4.45 mm |
| Operating Temperature | 0℃ ~ 70℃ |
The MAX757CPA+ is a CMOS Step-up DC-DC Switching Regulator for small, low input voltage or battery-powered systems. The MAX757 is an adjustable version that accepts an input voltage down to 0.7V and generates a higher adjustable output voltage in the range from 2.7 to 5.5V. Typical full-load efficiencies for the MAX757 is greater than 87%. The MAX757 provide three improvements over previous devices. Physical size is reduced-the high switching frequencies (up to 0.5MHz) made possible by MOSFET power transistors allow for tiny (<5mm diameter) surface-mount magnetic. Efficiency is improved to 87% (10% better than with low-voltage regulators fabricated in bipolar technology). Supply current is reduced to 60µA by CMOS construction and an unique constant-off-time pulse-frequency modulation control scheme.
● Operates down to 0.7V input supply voltage
● 87% Efficiency at 200mA
● 60µA Quiescent current
● 20µA Shutdown mode with active reference and LBI detector
● ±1.5% Reference tolerance over-temperature
● Low-battery detector (LBI/LBO)
●ESD sensitive device, take proper precaution while handling the device.
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