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ML4827 Folha de dados(PDF) 2 Page - Micro Linear Corporation

Nome de Peças ML4827
Descrição Electrónicos  Fault-Protected PFC and PWM Controller Combo
PDF  16 Pages
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Fabricante Electrônico  MICRO-LINEAR [Micro Linear Corporation]
Página de início  http://www.microlinear.com
Logo MICRO-LINEAR - Micro Linear Corporation

ML4827 Folha de dados(HTML) 2 Page - Micro Linear Corporation

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ML4827
2
PIN CONFIGURATION
PIN DESCRIPTION
PIN
NAME
FUNCTION
9
DC ILIMIT
PWM current limit comparator input
10
GND
Ground
11
PWM OUT PWM driver output
12
PFC OUT
PFC driver output
13
VCC
Positive supply (connected to an
internal shunt regulator)
14
VREF
Buffered output for the internal 7.5V
reference
15
VFB
PFC transconductance voltage error
amplifier input, and TriFault Detect
input
16
VEAO
PFC transconductance voltage error
amplifier output
PIN
NAME
FUNCTION
1
IEAO
PFC transconductance current error
amplifier output
2IAC
PFC gain control reference input
3ISENSE
Current sense input to the PFC current
limit comparator
4VRMS
Input for PFC RMS line voltage
compensation
5
SS
Connection point for the PWM soft start
capacitor
6VDC
PWM voltage feedback input
7
RAMP 1
PFC (master) oscillator input; fOSC set
by RTCT
8
RAMP 2
When in current mode, this pin
functions as as the current sense input;
when in voltage mode, it is the PWM
(slave) oscillator input.
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
IEAO
IAC
ISENSE
VRMS
SS
VDC
RAMP 1
RAMP 2
VEAO
VFB
VREF
VCC
PFC OUT
PWM OUT
GND
DC ILIMIT
TOP VIEW
ML4827
16-Pin PDIP (P16)
16-Pin Wide SOIC (S16W)



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