metawells
產品描述
Wide Input Voltage Range Boost/SEPIC/Flyback Converter with Random Spread Spectrum
產品特點
Wide Input Voltage of 2.9V to 45V
Low Operating Bias Current of 600µA (Typ.)
Programmable 100kHz to 2.2MHz Adjustable Switching Frequency
Integrated Error Amplifier Allows Primary-side Regulation for Flyback Converter
Selectable Random Spread Spectrum
Input transient protection up to 50 V
Low shutdown current 2µA (Typ.)
48mΩ RDSON Switch
PGOOD indicator
Selectable clock synchronization
Programmable line UVLO
Selectable Hiccup Overload Protection
Over Voltage Protection
Undervoltage Lockout with Hysteresis
Thermal Shutdown
Adjustable Soft Start
QFN3X3-16
產品規格
Recommended Operating Conditions
拖曳表格以查看完整資訊。
Parameter
Specification
BIAS Voltage Range
2.9V~45V
Fsw
100KHz~2200KHz
Operating junction temperature
-40°C~150°C
Key Electrical Characteristics
拖曳表格以查看完整資訊。
Parameter
Condition
Specification
BIAS Voltage Range
2.9V~45V
BIAS operating current
VBIAS=12V, VUVLO=2V, VFB= VREF, RT=220kΩ
600uA (Typ.)
VCC Regulation
VBIAS=12V, IVCC=18mA
3.4V (Typ.)
Spread Spectrum
±8%
Internal MOSFET current limit
6.5A~
FB reference
1V (Typ.)
Thermal shutdown
threshold
Temperature rising
165°C (Typ.)
Overvoltage threshold
FB rising
(reference to VREF )
110% (Typ.)
Internal Soft-Start Current
10uA (Typ.)
相關檔案
技術資料
No.
項目
檔案格式
下載
PJ32157_Datasheet
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