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參數(shù)資料
| 型號： | FDMF8705 |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | MOSFETs |
| 英文描述： | Driver plus FET Multi-chip Module |
| 中文描述： | HALF BRDG BASED MOSFET DRIVER, QCC56 |
| 封裝： | 8 X 8 MM, ROHS COMPLIANT, MO-220WLLD-5, SMD-56 |
| 文件頁數(shù)： | 3/13頁 |
| 文件大?。?/td> | 742K |
| 代理商： | FDMF8705 |
3
www.fairchildsemi.com
FDMF8705 Rev. C
F
Pin Description
Absolute Maximum Rating
Recommended Operating Range
Electrical Characteristics
V
IN
= 12V, T
A
= 25°C unless otherwise noted.
Parameter
Symbol
Pin
Name
Function
1,6,51
CGND
IC Ground. Ground return for driver IC.
2,3,22-28,52-54
NC
No connect
4
VCIN
IC Supply. +12V chip bias power. Bypass with a 1μF ceramic capacitor.
5
BOOT
Bootstrap Supply Input. Provides voltage supply to high-side MOSFET driver. Connect
bootstrap capacitor.
7,21,40-50
VSWH
Switch Node Input. SW Provides return for high-side bootstrapped driver and acts as a
sense point for the adaptive shoot-thru protection.
8,9,11-20
VIN
Power Input. Output stage supply voltage.
10
TEST PAD 1
For manufacturing test only. HDRV pin. This pin must be floated. Must not be connected to
any pin.
29-38
PGND
Power ground. Output stage ground. Source pin of low side MOSFET(s).
39
TEST PAD 2
For manufacturing test only. LDRV pin. This pin must be floated. Must not be connected to
any pin.
55
DISB
Output Disable. When low, this pin disable FET switching (HDRV and LDRV are held low).
56
PWM
PWM Signal Input. This pin accepts a logic-level PWM signal from the controller.
Parameter
Min.
Max.
Units
V
CIN
to PGND
V
IN
to PGND
PWM, DSIB to GND
-0.5
15
V
-0.5
15
V
-0.3
5.5
V
VSWH to PGND
Continuous
-1
15
V
Transient (t = 100ns, f
sw
= 500KHz)
-5
25
V
BOOT to VSWH
-0.3
15
V
BOOT to PGND
Continuous
-0.3
30
V
Transient (t = 100ns, f
sw
= 500KHz)
V
IN
= 12V, V
O
= 1.3V, f
sw
= 500KHz, T
PCB
= 100°C
V
IN
= 12V, t
PULSE
= 10μs
Junction to PCB Thermal Resistance (note 1)
-0.3
33
V
I
O(AV)
I
O(PK)
R
JPCB
P
D
Operating and Storage Junction Temperature Range
18
A
65
A
8
°C/W
T
PCB
= 100°C (note 1)
6.25
W
-55
150
°C
Parameter
Min.
Typ.
Max.
Units
V
CIN
V
IN
Control Circuit Supply Voltage
6.4
12
13.5
V
Output Stage Supply Voltage
6.4
12
14
V
Conditions
Min.
Typ.
Max.
Units
Control Circuit Supply Current
I
CIN
f
SW
= 0Hz, V
DISB
= 0V
f
SW
= 500KHz, V
DISB
= 5V
Turn-on
3.5
8
mA
18
Undervoltage lockout threshold
V
TH(UVLO)(2)
6
V
Turn-off
5.25
V
PWM Input High Voltage
V
IH(PWM)
3.5
V
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