FP6795 FITIPOWER | Alldatasheet

Document overview

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  • PDF pages: 9

Technical content

Features

  • Operating Voltage from 2.6V to 5.5V
  • Output Voltage from Input Voltage to 16V
  • 90% Efficiency
  • 2A, 0.16Ω Internal Power MOSFET
  • Pin Selectable Switching Frequency (1.2MHz or 640kHz)
  • Programmed Soft Start
  • External Compensation Network
  • 0.1μA Shutdown Current
  • MSOP-8 Package
  • RoHS Compliant

Applications

  • LCD Display
  • Portable Application
  • Hand-Held Device
  • Digital Camera P: Green G: Green TR: Tape/Reel Package Type MS: MSOP-8 MP: MSOP-8 (Exposed Pad) FP6795□□□

fitipower integrated technology lnc. Figure 2. Typical Application Circuit of FP6795 COMP Compensation Pin for Error Amplifier. Connect a series RC from COMP to ground. Enable Pin. Connect SHDN low to turn off FP6795. connected to VIN, the frequency is 1.2MHz. the capacitor. Leave this pin floating for not using soft-start.

fitipower integrated technology lnc. Figure 3. Block Diagram of FP6795

  • Power Dissipation @TA=25°C (PD)
  • Package Thermal Resistance (θJA) +110°C/W Note 1：Stresses beyond those listed under “Absolute Maximum Ratings" may cause permanent damage to the device. Recommended Operating Conditions

FP6795-1.5-FEB-2012 4 FP6795 09A 85T fitipower integrated technology lnc.

Electrical Characteristics

(VIN=3V, SHDN=3V, FREQ=GND, TA=25°C, unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Units INPUT Operation Voltage Range VIN 2.6 5.5 V VIN Under Voltage Lockout UVLO VIN rising, typical hysteresis is 100mV 2.25 2.38 2.52 V Quiescent Current IIN VFB=1.3V, not switching 160 350 µA VFB=1V, switching 0.8 5 mA Shutdown Current ISD SHDN=0V 0.1 10 µA ERROR AMPLIFIER Feedback Voltage VFB 1.227 1.24 1.253 V FB Input Bias Current IFB VFB=1.24V 0 150 nA Feedback Voltage Line Regulation 2.6V< VIN <5.5V 0.08 0.3 %/V Transconductance (Note2) gm ∆I =5µA 70 170 240 µS Voltage Gain (Note2) AV 700 V/V OSCILLATOR Frequency FOSC FREQ=GND 540 640 740 kHz FREQ=VIN 1000 1200 1500 kHz Maximum Duty Cycle TDUTY FREQ=GND 90 % FREQ=VIN 90 % N-CHANNEL SWITCH Current Limit (Note2) ILIM 1.5 2 2.5 A On-Resistance (Note2) RON ILX= 200mA 0.16 0.35 Ω Leakage Current ILXOFF VLX=16V 0.01 30 µA SOFT-START Reset Switching Resistance 100 Ω Charge Current ISS VSS=1.2V 1.5 4 7 µA CONTROL INPUTS Input High Level VIH SHDN, FREQ 0.7*VIN V Input Low Level VIL SHDN, FREQ 0.3*VIN V Hysteresis SHDN, FREQ 0.1*VIN V Frequency Pull-down Current IFREQ 1.8 5 9 µA SHDN Input Current ISHDN 0.001 1 µA PROTECTION Thermal Shutdown Temperature (Note2) TSD 160 °C TSD Hysteresis 25 °C Note 2：Guarantee by design.

fitipower integrated technology lnc. Figure 13. Start-up Waveform without Soft-start Figure 14. OCP Waveform

FP6795-1.5-FEB-2012 8 FP6795 09A 85T fitipower integrated technology lnc. Outline Information SYMBOLS UNIT DIMENSION IN MILLIMETER MIN MAX A 0.75 1.10 A1 0.00 0.15 A2 0.75 0.95 B 0.25 0.35 D 2.90 3.10 E 4.80 5.00 E1 2.90 3.10 e 0.60 0.70 L 0.40 0.80 Carrier Dimensions

FP6795-1.5-FEB-2012 9 FP6795 09A 85T fitipower integrated technology lnc. Outline Information (Continued) MSOP-8 (Exposed Pad) Package (Unit: mm) SYMBOLS UNIT DIMENSION IN MILLIMETER MIN MAX A 0.75 1.10 A1 0.00 0.15 A2 0.75 0.95 B 0.22 0.38 D 2.90 3.10 D1 0.75 2.50 E 4.80 5.00 E1 2.90 3.10 E2 0.75 2.50 e 0.55 0.75 L 0.40 0.80 Carrier Dimensions Life Support Policy Fitipower’s products are not authorized for use as critical components in life support devices or other medical systems.