FDMF8705 Fairchild Semiconductor, FDMF8705 Datasheet - Page 8

• Manufacturer Part Number: FDMF8705
• Description: IC MODULE DRIVER/FET POWER88-56
• Manufacturer: Fairchild Semiconductor
• Type: Step-Down (Buck)r

Specifications of FDMF8705

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Current - Output: 18A
• Frequency - Switching: 500kHz
• Voltage - Input: 12V
• Operating Temperature: -55°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: 56-MLP
• Power - Output: 6.25W
• Supply Voltage (min): 6.4 V
• Supply Current: 8 mA
• Maximum Operating Temperature: + 150 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 55 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: FDMF8705TR

FDMF8705 Rev. C
VSWH
HDRV
PWM
LDRV
Figure 22. Switching Waveform (Rising edge)
V
V
V
f
I
sw
OUT
IN
CIN
OUT
= 500KHz
= 12V
= 18A
= 12V
= 1.3V
8
VSWH
HDRV
LDRV
PWM
Figure 23. Switching Waveform (Falling Edge)
V
V
V
f
I
sw
OUT
www.fairchildsemi.com
IN
CIN
OUT
= 500KHz
= 12V
= 18A
= 12V
= 1.3V