ML4827CS-1 Ver la hoja de datos (PDF) - Micro Linear Corporation
Número de pieza
componentes Descripción
Fabricante
ML4827CS-1 Datasheet PDF : 16 Pages
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ML4827
PIN CONFIGURATION
ML4827
16-Pin PDIP (P16)
16-Pin Wide SOIC (S16W)
IEAO 1
16 VEAO
IAC 2
ISENSE 3
VRMS 4
SS 5
15 VFB
14 VREF
13 VCC
12 PFC OUT
VDC 6
RAMP 1 7
11 PWM OUT
10 GND
RAMP 2 8
9 DC ILIMIT
TOP VIEW
PIN DESCRIPTION
PIN NAME
1 IEAO
2 IAC
3 ISENSE
4 VRMS
5 SS
6 VDC
7 RAMP 1
8 RAMP 2
FUNCTION
PFC transconductance current error
amplifier output
PFC gain control reference input
Current sense input to the PFC current
limit comparator
Input for PFC RMS line voltage
compensation
Connection point for the PWM soft start
capacitor
PWM voltage feedback input
PFC (master) oscillator input; fOSC set
by RTCT
When in current mode, this pin
functions as as the current sense input;
when in voltage mode, it is the PWM
(slave) oscillator input.
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
2
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