LT1725CS Linear Technology, LT1725CS Datasheet - Page 25

• Manufacturer Part Number: LT1725CS
• Description: IC CNTRLR ISOLATD FLYBACK 16SOIC
• Manufacturer: Linear Technology
• Type: Flybackr

Specifications of LT1725CS

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Frequency - Switching: 50kHz ~ 250kHz
• Operating Temperature: 0°C ~ 100°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Output: -
• Voltage - Output: -
• Voltage - Input: -
• Power - Output: -
• Other names: Q1122680

TYPICAL APPLICATIO S
48V to Isolated 5V Application Parts List
T1: Coiltronics CTX02-14989
M1: International Rectifier IRF620. 200V, 0.8Ω N-channel
MOSFET
D1: International Rectifier 12CWQ06FN. 12A, 60V Schottky
diode
D2: BAS16. 75V switching diode
C1: AVX TPSD156M035R0300. 15µF, 35V tantalum
capacitor
C2: Vishay/Vitramon VJ1825Y155MXB. 1.5µF, 100V, X7R
ceramic capacitor
C3: Sanyo 6SA150M. 150µF, 6.3V, OS-CON electrolytic
capacitor
C4: 150pF, 100V, X7R ceramic capacitor
C5: 470pF, 50V, X7R ceramic capacitor
C6: 1nF, 25V X7R ceramic capacitor
C7: 47pF, 25V, NPO ceramic capacitor
C8: 0.1µF, 25V, Z5U ceramic capacitor
U
C9: 100pF, 25V, X7R ceramic capacitor
C10: 1µF, 25V, Z5U ceramic capacitor
R1: 47k, 1/4W, 5% resistor
R2: Panasonic type ERJ-14RSJ. 0.18Ω, 1/4W, 5%
resistor
R3: 35.7k, 1% resistor
R4: 3.01k, 1% resistor
R5, R6, R7: 51k, 5% resistor
R8: 2.7k, 5% resistor
R9: 18Ω, 5% resistor
R10: 22Ω, 5% resistor
R11: 51Ω, 1W, 5% resistor
R12: 68Ω, 5% resistor
R13: 820k, 5% resistor
R14: 33k, 5% resistor
LT1725
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1725fa