MB39A126PFV-G-BND - Brand New FUJITSU IC Chips
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■DESCRIPTION
MB39A125/126 is a DC/DC converter IC for charging Li-ion battery, which is suitable for down-conversion, and
uses pulse width modulation (PWM) for controlling the output voltage and current independently. This IC integrates the build-in comparator for the voltage detection of the ACadapter, and selects the AC adapter or battery auto matically for power supply to the system.■FEATURES
• High efficiency : 97%(MAX)
• Built-in two constant current control circuits
• Analog control of the charging current value (+INE1, +INE2 terminal)
• Built-in AC adapter voltage detection function (ACOK, XACOK terminal)
• External output voltage setting resistor : MB39A125
• Built-in output voltage setting resistor : MB39A126
• Built-in charge stop function at low VCC
• Output voltage setting accuracy : ±0.74%(Ta = −10 °C to +85 °C) : MB39A125
: 12.6 V/16.8 V ±0.8%(Ta = −10 °C to +85 °C) : MB39A126
• Built-in high accuracy current detection amplifier (±5%) (At input voltage difference 100 mV) ,
(±15%) (At input voltage difference 20 mV)
• In IC standby mode (Icc =0 µA Typ) , make output voltage setting resistor open to prevent inefficient current loss
• Built-in soft-start circuit
• Standby current : 0 µA (Typ)
• Totem-pole type output for Pch MOS FET -
Similar parts: 430483 , Click to view
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Datasheet
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Popular parts of the same kind
- Datasheet: Download MB39A126PFV-G-BND
- Chipdatas Part: CD87-MB39A126PFV-G-BND
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/10/01 18:56 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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