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PDF FAN7387 Data sheet ( Hoja de datos )
| Número de pieza | FAN7387 | |
| Descripción | High-Voltage Gate Driver | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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March 2014
FAN7387
Self-Oscillated, High-Voltage Gate Driver
Features
Internal Clock Using RCT
External Sync Function Using RCT
Dead Time Control Using Resistor
Shut Down (Disable Mode)
Internal Shunt Regulator
UVLO Function, High and Low Side
Applications
Half-Bridge Inverter
SMPS
Ballast Solution for High-Intensity Discharge
(HID) Lamp
Ballast for Fluorescent Lamp
Description
The FAN7387 is a simple control IC for common half-
bridge inverters, SMPS, and ballast for fluorescent and
HID lamps. The FAN7387 has an oscillating circuit using
an external resistor and capacitor.
The frequency variation is very stable across a wide
temperature range. The FAN7387 has an external pin
for dead-time control and shutdown. Using this resistor,
the designer can choose the optimum dead time to
reduce power loss on switching devices, such as
transistors and MOSFETs.
8-DIP 8-SOP
Ordering Information
Part Number
FAN7387MX(1)
Package
8-SOP
Operating Temperature
-40 to +125°C
Note:
1. These device passed wave soldering test by JESD22A-111.
Packing Method
Tape & Reel
© 2008 Fairchild Semiconductor Corporation
FAN7387 • 1.0.4
www.fairchildsemi.com
1 page  
Absolute Maximum Ratings
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. TA=25°C unless otherwise specified.
Symbol
Parameter
Min. Typ. Max. Unit
VB
VS
VRCT
ICL
dVS/dt
TA
TSTG
PD
High-Side Floating Supply Voltage
High-Side Offset Voltage
RCT Pins Input Voltage
Clamping current level(2)
Allowable Offset Voltage Slew Rate
Operating Temperature Range
Storage Temperature Range
Power Dissipation
-0.3
625.0
V
-0.3
600.0
V
VCL V
25 mA
50 V/ns
-40
+125
°C
-65
+150
°C
0.625
W
JA Thermal Resistance (Junction-to-Air)
200 °C/W
Note:
2. Do not supply a low-impedance voltage source to the internal clamping Zener diode between the GND and the
VDD pin of this device.
Recommended Operating Ratings
The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended
operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not
recommend exceeding them or designing to absolute maximum ratings.
Symbol
VB
VS
VDD
VHO
VLO
VIH
VIL
RT
CT
TA
Parameter
High-Side Floating Supply Voltage
High-Side Offset Voltage
Low-Side Supply Voltage
High-Side (HO) Output Voltage
Low-Side (LO) Output Voltage
Logic “1” Input Voltage of RCT
Logic “0” Input Voltage of RCT
Timing Resistor Value of RCT
Timing Capacitor Value of RCT
Ambient Temperature
Min.
VS+11
6-VDD
11
GND
GND
(3/4 VDD)+1
2
100
-40
Max.
VS+14
600
14
VDD
VDD
(3/5 VDD)-1
+125
Unit.
V
V
V
V
V
V
V
k
pF
°C
© 2008 Fairchild Semiconductor Corporation
FAN7387 • 1.0.4
5
www.fairchildsemi.com
5 Page 
Typical Performance Characteristics (Continued)
280
270
260
250
240
230
220
210
-40
-20
0
20 40 60 80 100 120
Temperature [°C]
Figure 24. Operating Frequency 2 vs. Temperature
50
40
30
20
10
0
-40 -20
0
20 40 60 80 100 120
Temperature [°C]
Figure 26. Dead-Time Mismatch vs. Temperature
52
51
50
49
48
-40 -20 0 20 40 60 80 100 120
Temperature [°C]
Figure 28. Low-Side Duty Ratio vs. Temperature
500
475
450
425
400
375
350
325
300
-40 -20 0 20 40 60 80 100 120
Temperature [°C]
Figure 25. tDMIN vs. Temperature
52
51
50
49
48
-40 -20 0 20 40 60 80 100 120
Temperature [°C]
Figure 27. High-Side Duty Ratio vs. Temperature
Figure 29. Frequency vs. RT
© 2008 Fairchild Semiconductor Corporation
FAN7387 • 1.0.4
11
www.fairchildsemi.com
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet FAN7387.PDF ] | |
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