FDMF8705 Fairchild Semiconductor, FDMF8705 Datasheet - Page 4

• 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
Electrical Characteristics
Note 1: Package power dissipation based on 4 layer, 2 square inch, 2 oz. copper pad. R
Note 2: When combined with controller, driver UVLO must be less than that of controller.
Note 3: t
V
Parameter
PWM Input Low Voltage
PWM Input Current
Output Disable Input High Voltage
Output Disable Input Low Voltage
Output Disable Input Current
Output Stage Leakage Current
Propagation Delay
IN
= 12V, T
thermal resistance with PCB temperature referenced at VSWH pin.
PDL(LDRV/HRDV)
A
= 25°C unless otherwise noted
refers to HIGH-to-LOW transition, t
V
I
V
V
I
I
t
t
t
t
IL(PWM)
DISB
IN_LEAKAGE
PDL(LDRV)
PDL(HDRV)
PDH(LDRV)
PDH(HDRV)
Symbol
IL(PWM)
IH(DISB)
IL(DISB)
.
(3)
(3)
(3)
(3)
V
V
f
sw
DISB
IN
= 500KHz, I
= 12V, V
PDH(LDRV/HDRV)
= 0V
4
Conditions
OUT
O
= 1.3V,
= 18A
refers to LOW-to-HIGH transition.
JPCB
is the steady state junction to PCB
Min.
2.5
-1
-1
Typ.
250
51
39
47
46
Max.
0.8
0.8
1
1
www.fairchildsemi.com
Units
µA
µA
µA
ns
ns
ns
ns
V
V
V