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FR9884 데이터시트 PDF : 부품 기능 및 핀배열

부품번호 FR9884
기능 340KHz Synchronous Step-Down DC/DC Converter
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FR9884 데이터시트 및 FR9884 PDF

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FR9884 pdf, 반도체, 판매, 대치품
fitipower integrated technology lnc.
FR9884
Absolute Maximum Ratings
85T
Input Supply Voltage VIN --------------------------------------------------------------------------------- -0.3V to +21V
SW Voltage VSW -------------------------------------------------------------------------------------------- -1V to VIN +0.3V
Boost Trap Voltage VBS ----------------------------------------------------------------------------------- Vsw -0.3V to Vsw +6V
All Other Pins Voltage ------------------------------------------------------------------------------------ -0.3V to +6V
Maximum Junction Temperature (TJ) ----------------------------------------------------------------- +150°C
Storage Temperature (TS) ------------------------------------------------------------------------------- -65°C to +150°C
Lead Temperature (Soldering, 10sec.) --------------------------------------------------------------- +260°C
Power Dissipation @TA=25°C, (PD)
SOP-8 (Exposed Pad) ------------------------------------------------------------------------ 1.25W
● Package Thermal Resistance, (θJA):
SOP-8 (Exposed Pad) ------------------------------------------------------------------------ 50°C/W
● Package Thermal Resistance, (θJC):
SOP-8 (Exposed Pad) ------------------------------------------------------------------------ 15°C/W
Note 1Stresses beyond those listed under “Absolute Maximum Ratings" may cause permanent damage to the device.
Recommended Operating Conditions
Input Supply Voltage (VIN) ------------------------------------------------------------------------------- +4.5V to +18V
Output Voltage (VOUT) ------------------------------------------------------------------------------------- +0.925V to +14V
Operation Temperature Range ------------------------------------------------------------------------- -40°C to +85°C
FR9884-1.7-DEC-2011
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FR9884 전자부품, 판매, 대치품
fitipower integrated technology lnc.
FR9884
Typical Performance Curves (Continued)
85T
VIN = 12V, VOUT = 3.3V, C1 =10μF x 1, C6=100μF x 1, C2 = 22μF x 2, L1 = 10μH, TA = +25°C, unless otherwise noted.
IOUT=0A
IOUT=3A
VIN 50mV/div.
VOUT 20mV/div.
IL 1A/div.
VSW 5V/div.
VIN 500mV/div.
VOUT 20mV/div.
IL 1A/div.
4μs/div.
Figure 11. DC Ripple Waveform
IOUT=0.1A
VEN, 5V/div.
VOUT 1V/div.
IL 2A/div.
VSW 5V/div.
4ms/div.
Figure 13. Startup Through Enable Waveform
IOUT=0.1A
VEN, 5V/div.
VSW 5V/div.
4μs/div.
Figure 12. DC Ripple Waveform
IOUT=3A
VEN, 5V/div.
VOUT 1V/div.
IL 2A/div.
VSW 5V/div.
4ms/div.
Figure 14. Startup Through Enable Waveform
IOUT=3A
VEN, 5V/div.
VOUT 1V/div.
IL 2A/div.
VSW 5V/div.
2ms/div.
Figure 15. Shutdown Through Enable Waveform
FR9884-1.7-DEC-2011
VOUT 1V/div.
IL 2A/div.
VSW 5V/div.
2ms/div.
Figure 16. Shutdown Through Enable Waveform
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