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| FAN7387 Datasheet, PDF (7/17 Pages) Fairchild Semiconductor – Self-Oscillated, High-Voltage Gate Driver | |||
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Electrical Characteristics
VBIAS (VDD, VB -VS)=14.0V, CL=1nF, RT=50k and CT=330pF and TA=25°C, unless otherwise specified.
Symbol
Parameter
Conditions
Low-Side Supply Characteristics (VDD)
VDDUV+
VDD supply under-voltage positive going
threshold
VDD Increasing
VDDUV-
VDD supply under-voltage negative going
threshold
VDD Decreasing
VDDUVH VDD supply under-voltage lockout hysteresis
VCL Supply clamping voltage
IQDD Low-side quiescent supply current
IST
Start-up supply current
ILK
Offset supply leakage current
IPDD Low-side dynamic operating supply current
High-Side Supply Characteristics (VB-VS)
VBSUV+
VBS supply under-voltage negative going
threshold
IDD=10mA
RDT=100k
VDD=9V
VB=VS=600V
VB -VS Increasing
VBSUV-
VBS supply under-voltage negative going
threshold
VB -VS Decreasing
VBSUVH VBS supply under-voltage lockout hysteresis
IQBS High-side quiescent supply current
IPBS High-side dynamic operating supply current
Oscillator Characteristics
fosc1
fosc2
D
Oscillation frequency 1
Oscillation frequency 2
Duty cycle
RT=50k, CT=330pF
RT=1k, CT=1nF
Running Mode
VRCT+
VRCT-
VIH
VIL
DT
Upper threshold voltage of RCT
Lower threshold voltage of RCT
Logic â1â input voltage of RCT
Logic â0â input voltage of RCT
Dead time
DTMIN Minimum dead time
Output Characteristics
IO+(3)
IO-(3)
Output high, short-circuit pulse current
Output low, short-circuit pulse current
VS
Allowable negative VS pin voltage for input
signal (VRCT) propagation to HO
Running Mode
Running Mode
Running Mode
Running Mode
RDT=100k
VDT/SD=VDD
PW<=10µs
PW=10µs
Note:
3. These parameters, although guaranteed, is not 100% tested in production.
Min. Typ. Max. Unit
9.5 11.0 12.5 V
7.5
9.0 10.5 V
2
V
14.8 15.4
V
220 500 μA
50
130 μA
10 μA
0.8
mA
7.7
9.2 10.7 V
7.1
8.6 10.1 V
0.6
V
50
130 μA
400 800 μA
18
210
47.5
500
300
20
22
kHz
250 290
49.0
%
VDD
V
VDD/4
V
3/4VDD
V
3/5VDD V
600 700
ns
400 500
350
mA
650
mA
-9.8 -7.0 V
Continued on the following page...
© 2008 Fairchild Semiconductor Corporation
FAN7387 Rev. 1.0.0
7
www.fairchildsemi.com
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