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HT2269 Datasheet(PDF) 6 Page - Hotchip Technology Co.,Ltd

Part # HT2269
Description  Extended Burst Mode Control For Improved Efficiency and Minimum Standby Power Design
PDF  13 Pages
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Manufacturer  HOTCHIP [Hotchip Technology Co.,Ltd]
Direct Link  http://www.hotchip.com.cn/English/Index/index.html
Logo HOTCHIP - Hotchip Technology Co.,Ltd

HT2269 Datasheet(HTML) 6 Page - Hotchip Technology Co.,Ltd

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HT2269
6/13
Current Mode PWM Controller
www.hotchip.com.cn
Ver1.0
∆f_VDD
Frequency Voltage
Stability
VDD = 12-25V
2
%
RI_range
Operating RI Range
12
24
60
Kohm
V_RI_open
RI open voltage
2
V
F_BM
Burst Mode Base
Frequency
22
KHZ
DC_max
Maxmum Duty
Cycle
75
80
85
%
DC_min
Minimum Duty
Cycle
_
-
0
%
Gate Drive Output
VOL
Output Low Level
Io = -20 mA
0.3
V
VOH
Output High Level
Io = +20 mA
11
V
VG_Clamp
Output Clamp
Voltage Level
VDD=20V
18
V
T_r
Output Rising Time
CL = 1nf
120
nSec
T_f
Output Falling Time
CL = 1nf
50
nSec
Over Temperature Protection
I_RT
Output Current of
RT pin
70
uA
VTH_OTP
OTP Threshold
Voltage
1
1.065
1.13
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
3.5
V
Frequency Shuffling
∆f_OSC
Frequency
Modulation range
/Base frequency
-3
3
%
Freq_Shuffling
Shuffling Frequency
RI = 24Kohm
32
HZ



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