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OB2269AP датащи(PDF) 6 Page - Lite-On Technology Corporation

номер детали OB2269AP
подробное описание детали  Current Mode PWM Controller
PDF  12 Pages
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производитель  LITEON [Lite-On Technology Corporation]
домашняя страница  http://www.liteon.com.tw/databook/default.htm
Logo LITEON - Lite-On Technology Corporation

OB2269AP датащи(HTML) 6 Page - Lite-On Technology Corporation

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©On-Bright Electronics
Confidential
A Liteon Semiconductor Company
- 6 -
V2.1
OB2268
OB2269
Current Mode PWM Controller
TD_OC
Over Current
Detection and
Control Delay
From Over Current Occurs
to GATE output turns off,
Sense voltage ramp at
0.15V/uS.
120
nSec
VTH_OC
Internal Current
Limiting Threshold
Voltage
VDD = 16V, I(VIN) =
55uA
0.86
V
Oscillator
FOSC
Normal Oscillation
Frequency
RI = 100 Kohm
60
65
70
KHZ
∆f_Temp
Frequency
Temperature
Stability
VDD = 16V, RI =
100Kohm, 0
oC to 85 oC
5
%
∆f_Volt
Frequency Voltage
Stability
VDD = 15-25V, RI =
100Kohm
5
%
RI_range
Operating RI Range
50
100
250
Kohm
V_RI_open
RI open load
voltage
2.0
V
F_BM
Burst Mode Base
Frequency
VDD = 16V, RI =
100Kohm
22
KHZ
Gate Drive Output
VOL
Output Low Level
VDD = 16V, Io = 20 mA
0.3
V
VOH
Output High Level
VDD = 16V, Io = 20 mA
11
V
VG_Clamp
Output Clamp
Voltage Level
18
V
T_r
Output Rising Time
VDD = 16V, CL = 1nf
120
nSec
T_f
Output Falling
Time
VDD = 16V, CL = 1nf
50
nSec
Over Temperature Protection
I_RT
Output Current of
RT pin
RI=100K
70
uA
VTH_OTP
OTP Threshold
Voltage
1.015
1.065
1.115
V
VTH_OTP_off
OTP Recovery
Threshold Voltage
1.165
V
TD_OTP
OTP De-bounce
Time
100
uSec
V_RT_Open
RT Pin Open
Voltage
RI=100K
3.5
V
Frequency Shuffling (OB2269 Only)
∆f_OSC
Frequency
Modulation range
/Base frequency
RI=100K
-5
5
%
f_Shuffling
Shuffling
Frequency
RI=100K
65
HZ



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