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HT2269 数据表(PDF) 5 Page - Hotchip Technology Co.,Ltd

部件名 HT2269
功能描述  Extended Burst Mode Control For Improved Efficiency and Minimum Standby Power Design
PDF  13 Pages
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制造商  HOTCHIP [Hotchip Technology Co.,Ltd]
网页  http://www.hotchip.com.cn/English/Index/index.html
标志 HOTCHIP - Hotchip Technology Co.,Ltd

HT2269 数据表(HTML) 5 Page - Hotchip Technology Co.,Ltd

  HT2269 Datasheet HTML 1Page - Hotchip Technology Co.,Ltd HT2269 Datasheet HTML 2Page - Hotchip Technology Co.,Ltd HT2269 Datasheet HTML 3Page - Hotchip Technology Co.,Ltd HT2269 Datasheet HTML 4Page - Hotchip Technology Co.,Ltd HT2269 Datasheet HTML 5Page - Hotchip Technology Co.,Ltd HT2269 Datasheet HTML 6Page - Hotchip Technology Co.,Ltd HT2269 Datasheet HTML 7Page - Hotchip Technology Co.,Ltd HT2269 Datasheet HTML 8Page - Hotchip Technology Co.,Ltd HT2269 Datasheet HTML 9Page - Hotchip Technology Co.,Ltd Next Button
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HT2269
5/13
Current Mode PWM Controller
www.hotchip.com.cn
Ver1.0
Feedback Input Section(FB Pin)
AVCS
PWM Input Gain
△VFB /△Vcs
2.6
V/V
VFB_Open
VFB Open Voltage
6
V
IFB_Short
FB pin short circuit
current
Short FB pin to
GND,
measure current
0.8
mA
VTH_0D
Zero Duty Cycle FB
Threshold Voltage
0.95
V
VTH_BM
Burst Mode FB
Threshold Voltage
1.7
V
VTH_PL
Power Limiting FB
Threshold Voltage
4.4
V
TD_PL
Power limiting
Debounce Time
80
mSec
ZFB_IN
Input Impedance
7.5
Kohm
Current Sense Input(Sense Pin)
T_blanking
Sense Input Leading
Edge Blanking Time
300
nS
ZSENSE_IN
Sense Input
Impedance
39
Kohm
TD_OC
Over Current
Detection and
Control Delay
CL=1nf at
GATE,
120
nSec
VTH_OC_0
Current Limiting
Threshold at No
Compensation
I(VIN) = 0uA
0.9
0.95
V
VTH_OC_1
Current Limiting
Threshold at
Compensation
I(VIN) = 150uA
0.81
V
Oscillator
FOSC
Normal Oscillation
Frequency
60
65
70
KHZ
∆f_Temp
Frequency
Temperature
Stability
-20℃ to 100℃
2
%



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