型号/规格3.3V升压5V2A品牌/商标天钰科技应用3.3V升压5V2A
3.3V升压5V2A FP6717
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• High Efficiency up to 90% Synchronous Boost Converter.
• Wide Input Voltage from 2.5V to 5.25V.
• True shutdown & Isolate VIN node to VOUT node when ICDisabled.
• Low Rds(on) Integrated Power MOSFET.NMOS 39mΩ 39mΩ / PMOS 42mΩ 42mΩ
• Fixed 550KHz Oscillator Fre
• PWM / PSM dual mode Control, automatically Switch to PSM Mode for Improving Efficiency at Light Load.
• ±2.0% Voltage Reference Accuracy.
• Adjustable Current Limit with External Resistor.
• PMOS Current Limit for Output Short Circuit Protection.
• Low Current.
• Fast Transient Response
• Built-in Soft Start function and Input Under VoltageLockout.
• Over-Temperature Protection With Auto Recovery
• OVP (Over-Voltage) Protection
BOM List:
R1 Resistor 525KΩ 1/10W 1% 0603
R2 Resistor 100KΩ 1/10W 1% 0603
R4 Resistor 0805 2Ω 1/8W 5% 0805 (optional)
R5 Resistor 1% 0603（限流电阻可选用1M）
R6 Resistor 10KΩ 1/10W 1% 0603
C1 Capacitor MLCC 22uF±10% X5R 1206 type /16V
C2 Capacitor Ceramic Cap. 100nF 0603 type /50V
C3 Capacitor MLCC 22uF±10% X5R 1206 type /16V
C4 Capacitor Ceramic Cap. 100nF 0603 type /50V
C5 Capacitor MLCC 22uF±10% X5R 1206 type /16V
C6 Capacitor Ceramic Cap. 100nF 0603 type /50V
C7 Capacitor MLCC 22uF±10% X5R 1206 type /16V
C8 Capacitor Ceramic Cap. 1nF 0603 type /50V (optional)
L1 lnductor 4.7uH 8A
U1 IC FP6717
PCB Demo board FP6717
2A同步DEMO测试如下：
输入 输出 效率
3.3V 3.44A 5V2A 88%
3.6V 3.09A 5V2A 90%
3.8V 2.89A 5V2A 91%
4.2V 2.56A 5V2A 93%