FSP3170
FSP3170 is WIDE INPUT 2A STEP DOWN CONVERTER manufactured by Kexin Semiconductor.
Features z 2A Output Current z Up to 90% Efficiency z 4.75V to 20V Input Range z 40µA Shutdown Supply Current z 400k Hz Switching Frequency z Adjustable Output Voltage z Cycle-by-Cycle Current Limit Protection z Thermal Shutdown Protection z Frequency Foldback at Short Circuit z Stability with Wide Range of Capacitors,
Including Low ESR Ceramic Capacitors z SOP8L Package
SOP-8
- Functional Block Diagram
BS IN SW GND
1 2 3 4
8 N/C 7 EN 6 P 5 FB
- Absolute Maximum Ratings Ta = 25℃
Parameter
Value
Unit
IN Supply Voltage
-0.3 to 20
SW Voltage BS Voltage EN, FB, P Voltage
-1 to VIN + 1 VSW
- 0.3 to VSW + 8
-0.3 to 20
Continuous SW Current
Internally limited
Junction to Ambient Thermal Resistance (θJA) Junction to Ambient Case Resistance (θJC) Maximum Power Dissipation
105 °C/W 50 °C/W 0.76 W
Operating Junction Temperature
-40 to 150
°C
Storage Temperature
-55 to 150
°C
Lead Temperature (Soldering, 10 sec)
300 °C
(Note: Exceeding these limits may damage the device. Exposure to absolute maximum rating conditions for long periods may affect device reliability.)
.kexin..cn 1
SMD Type
Integrate Circuit
- Electrical Characteristics (Ta = 25℃,VEN=5V, VIN=12V,unless otherwise specified)
Parameter
Symbol
Input...