FDMF8704 Fairchild Semiconductor, FDMF8704 Datasheet - Page 3

• Manufacturer Part Number: FDMF8704
• Description: IC MODULE DRIVER/FET 56MLP 8X8
• Manufacturer: Fairchild Semiconductor
• Type: Step-Down (Buck)r

Specifications of FDMF8704

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 3.2 V
• Current - Output: 32A
• Frequency - Switching: 1MHz
• Voltage - Input: 7 ~ 20 V
• Operating Temperature: -55°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: 56-MLP
• Power - Output: 10W
• Supply Voltage (min): 4.5 V
• Supply Current: 50 mA
• Maximum Operating Temperature: + 150 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 55 C
• Number Of Drivers: 1
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: FDMF8704TR

FDMF8704 Rev. G
Absolute Maximum Rating
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above the
recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure to
stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings
only.
Note 1: Package power dissipation based on 4 layers, 2 square inch, 2 oz. copper pad. R
Recommended Operating Range
The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended operating condi-
tions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not recommend exceeding them or
designing to Absolute Maximum Ratings.
Electrical Characteristics
V
Note 2: t
Parameter
V
V
BOOT to VSWH
VSWH to PGND
BOOT to PGND
I
I
R
P
Operating and Storage Junction Temperature Range
Parameter
V
V
V
Parameter
Operating Voltage Range
Control Circuit Supply Current
PWM Input High Voltage
PWM Input Low Voltage
PWM Input Current
DISB Input High Voltage
DISB Input Low Voltage
DISB Input Current
Propagation Delay
O(AV)
O(PK)
IN
CIN
IN
D
CIN
IN
OUT
θJPCB
= 12V, V
to PGND
, PWM, DISB to PGND
thermal resistance with PCB temperature referenced at VSWH pin.
PDL(LDRV/HRDV)
CIN
= 5V, T
Control Circuit Supply Voltage
Output Stage Supply Voltage
Output Voltage
V
V
Junction to PCB Thermal Resistance (note 1)
T
PCB
IN
IN
A
refers to HIGH-to-LOW transition, t
= 12V, V
= 12V, t
= 25°C unless otherwise noted
= 100°C (note 1)
PULSE
O
= 1.3V, f
= 10µs
V
I
V
V
I
V
V
I
t
t
t
t
t
t
CC
IL(PWM)
IL(DISB)
PDL(DISB-LDRV)
PDH(DISB-LDRV)
PDL(LDRV)
PDL(HDRV)
PDH(LDRV)
PDH(HDRV)
CIN
IH(PWM)
IL(PWM)
IHDISB)
IL(DISB)
Symbol
sw
= 1MHz, T
(2)
(2)
(2)
(2)
(2)
(2)
.
PCB
f
f
V
f
PDH(LDRV/HDRV)
SW
SW
sw
IN
= 100°C
= 1MHz, I
= 12V, V
= 0Hz, V
= 1MHz, V
3
Conditions
OUT
DISB
O
DISB
Min.
= 30A
4.5
0.8
refers to LOW-to-HIGH transition.
= 1.3V,
7
= 0V
= 5V
Min.
-0.3
-0.3
-0.3
-1.0
-0.3
-55
θJPCB
Typ.
1.3
12
5
is the steady state junction to PCB
Min.
4.5
2.4
2.4
-2
-2
Max.
150
24
24
30
32
65
10
6
6
5
Max.
Typ.
5.5
3.2
50
22
12
20
20
5
1
8
6
9
Max. Units
5.5
0.8
0.8
3
2
2
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Units
°C/W
Units
°C
W
V
V
V
V
A
A
V
V
V
V
mA
µA
µA
ns
ns
ns
ns
ns
ns
V
V
V
V
V