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ME2188
The ME2188 is a series of PFM synchronous boost DC-DC conversion chips with high conversion efficiency, low power consumption and high operating frequency.
The chip uses the PFM control circuit to automatically switch the duty cycle coefficient according to the load current, which can obtain a series of products with low ripple, high efficiency and wide output voltage range.
Chip built-in synchronous switch tube and chip low current consumption, effectively improve the DC-DC conversion efficiency and equipment life cycle.
Only three components are needed on the periphery to complete the low-input battery voltage boost to the required operating voltage.
The chip uses the PFM control circuit to automatically switch the duty cycle coefficient according to the load current, which can obtain a series of products with low ripple, high efficiency and wide output voltage range.
Chip built-in synchronous switch tube and chip low current consumption, effectively improve the DC-DC conversion efficiency and equipment life cycle.
Only three components are needed on the periphery to complete the low-input battery voltage boost to the required operating voltage.
ME2188 Description:
The ME2188 is a series of PFM synchronous boost DC-DC conversion chips with high conversion efficiency, low power consumption and high operating frequency.
The chip uses the PFM control circuit to automatically switch the duty cycle coefficient according to the load current, which can obtain a series of products with low ripple, high efficiency and wide output voltage range.
Chip built-in synchronous switch tube and chip low current consumption, effectively improve the DC-DC conversion efficiency and equipment life cycle.
Only three components are needed on the periphery to complete the low-input battery voltage boost to the required operating voltage.
The chip uses the PFM control circuit to automatically switch the duty cycle coefficient according to the load current, which can obtain a series of products with low ripple, high efficiency and wide output voltage range.
Chip built-in synchronous switch tube and chip low current consumption, effectively improve the DC-DC conversion efficiency and equipment life cycle.
Only three components are needed on the periphery to complete the low-input battery voltage boost to the required operating voltage.
ME2188 Features:
High efficiency: 93%
Low starting voltage: 0.9V@IOUT =1mA
Low static current: 7uA
Frequency: 320KHz
Optional output voltage: 1.9V~5.0V
Output accuracy: ±2%
Output current: 300mA
Low ripple, low noise
Synchronous rectification
Low starting voltage: 0.9V@IOUT =1mA
Low static current: 7uA
Frequency: 320KHz
Optional output voltage: 1.9V~5.0V
Output accuracy: ±2%
Output current: 300mA
Low ripple, low noise
Synchronous rectification
ME2188 Applications:
Electronic devices with 1 to 2 dry batteries
Digital cameras, LED flashlights, LED lights, blood pressure monitors, remote control toys, wireless headphones, wireless mouse and keyboard, medical devices, car immobilizers, chargers, VCRS, PDAs and other handheld electronic devices
Digital cameras, LED flashlights, LED lights, blood pressure monitors, remote control toys, wireless headphones, wireless mouse and keyboard, medical devices, car immobilizers, chargers, VCRS, PDAs and other handheld electronic devices
ME2188 package form:
5-pin SOT23-5
3-pin SOT23、SOT23-3、SOT89-3、TO92
Typical application diagram of ME2188:
ME2188 Shopping Guide:
Product model | Product description |
ME2188A33M3G | VOUT =3.3V without the enable end. Package format: SOT23-3 |
ME2188A33XG | VOUT =3.3V without the enable end. Package format: SOT23 |
ME2188A33PG | VOUT =3.3V without the enable end. Package format: SOT89-3 |
ME2188A33TG | VOUT =3.3V, without the enable end, package form: TO-92 |
ME2188C33M5G | VOUT =3.3V with the enable end. Package format: SOT23-5 |
ME2188 Product foot map:
ME2188 foot position function description:
ME2188 chip function diagram:
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