2A20112 R2A20112 SOP-16
• Absolute Maximum Ratings
⎯ Supply voltage Vcc: 24 V
⎯ Junction temperature Tj: –40 to +150°C
• Electrical Characteristics
⎯ VREF output voltage Vref: 5.0 V ± 1.5%
⎯ UVLO operation start voltage Vuvlh: 10.5 V ± 0.7 V
⎯ UVLO operation shutdown voltage Vuvll: 9.3 V ± 0.5 V
⎯ UVLO hysteresis voltage Hysuvl: 1.2 V ± 0.5 V
• Functions
⎯ Boost converter control with critical conduction mode
⎯ Interleaving control
⎯ Soft start function for the reference voltage of Error Amp
⎯ Two mode PFC output Over-voltage-protection
Mode1: Dynamic OVP corresponding to a voltage rise by dynamic load change.
Mode2: Static OVP corresponding to over-voltage in stable.
⎯ PFC output Dynamic-under-voltage-protection (DUVP)
⎯ Feedback loop open/short detection
⎯ Master and Slave independence over-current-protection
⎯ 280 μs restart timer
⎯ Slave ZCD signal open detection
⎯ Over current ON/OFF timer protection for boost Diode short
• Package
⎯ Pb-free SOP-16
225,000 تومان
1 در انبار
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توضیحات
The R2A20112A controls a boost converter to provide an active power factor correction.
The R2A20112A adopts critical conduction mode for power factor correction and realizes high efficiency and a low
switching noise by zero current switching.
Interleaving function improves ripple current on input or output capacitor by 180 degrees phase shift.
Soft-star, the feedback loop short detection, two mode over-voltage-protection, over-current-protection, Over current
ON/OFF timer protection for boost Diode short and slave ZCD open detection are built in the R2A20112A, and can
constitute a power supply system of high reliability with few external parts.
توضیحات تکمیلی
| Package |
SOP-16 |
|---|---|
| کیفیت |
original |
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