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HT2269 Fiches technique(PDF) 2 Page - Hotchip Technology Co.,Ltd

No de pièce HT2269
Description  Extended Burst Mode Control For Improved Efficiency and Minimum Standby Power Design
PDF  13 Pages
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Fabricant  HOTCHIP [Hotchip Technology Co.,Ltd]
Site Internet  http://www.hotchip.com.cn/English/Index/index.html
Logo HOTCHIP - Hotchip Technology Co.,Ltd

HT2269 Fiches technique(HTML) 2 Page - Hotchip Technology Co.,Ltd

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HT2269
2/13
Current Mode PWM Controller
www.hotchip.com.cn
Ver1.0
TYPICAL APPLICATION
INV
VIN
RT
FB
VDD
SENSE
RI
GND GATE
EMI
Filter
AC IN
DC Out
PIN CONFIGURATION
Pin Name
Pin Num
Description
GND
1
Ground
FB
2
Feedback input pin. PWM duty cycle is determined by
voltage level into this pin and current-sense signal level
at Pin 6.
VIN
3
Connected through a large value resistor to rectified
line input for Startup IC supply and line voltage sensing.
RI
4
Internal Oscillator frequency setting pin. A resistor
connected between RI and GND sets the PWM
frequency.
RT
5
Temperature sensing input pin. Connected through a
NTC resistor to GND.
SENSE
6
Current sense input pin. Connected to MOSFET current
sensing resistor node.
VDD
7
DC power supply pin.
GATE
8
Totem-pole gate drive output for power MOSFET.
PACKAGE DISSIPATION RATING
Package
RθJA (°C/W)
DIP8
90
SOP8
150
1
2
3
4
5
6
7
8
GND
FB
VIN
RI
RT
SENSE
VDD
GATE



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