CR6853
Oscillator (RI Pin)
FOSC
FPFM
Normal Frequency
PFM Frequency
RI=100Kohm
RI=100Kohm
RI=100Kohm
RI=100Kohm
60
65
22
78
78
5
70
KHz
KHZ
%
DCMAX_W Maximum Duty Cycle PWM
DCMAX
_
Maximum Duty Cycle PFM
Frequency Temp. Stability
Leading-Edge Blanking Time
Frequency jitter
%
F
ΔFTEMP
TBLANK
%
-30-100℃
300
nS
%
FJITTER
RI=100Kohm
-4
4
GATE Drive Output (GATE Pin)
Output Low Level
VOL
VDD=16V,
IO=20mA
0.8
V
V
Output High Level
VOH
VDD=16V,
IO=20mA
10
TR1
TF1
TR2
TF2
TR3
TF3
TR4
TF4
Rising Time
Falling Time
Rising Time
Falling Time
Rising Time
Falling Time
Rising Time
Falling Time
CL=500pF
CL=500pF
CL=1000pF
CL=1000pF
CL=1500pF
CL=1500pF
CL=2000pF
CL=2000pF
VDD=20V
123
71
ns
ns
ns
ns
ns
ns
ns
ns
V
248
116
343
153
508
209
18.0
VGCLAMP Output Clamp Voltage
Low EMI technique
fEMI
Low EMI frequency
RI=100Kohm
RI=100Kohm
65
KHz
%
Frequency modulation range
/Base frequency
∆f_osc
-3
3
Oct, 2008 V2.0
5/12
Chengdu Chip-Rail Tech. Co., Ltd.
http://www.chiprail.com
ETC [ ETC ]
