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PDF MG36203 Data sheet ( Hoja de datos )
| Número de pieza | MG36203 | |
| Descripción | Switching LED Driver | |
| Fabricantes | Megawin | |
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Hay una vista previa y un enlace de descarga de MG36203 (archivo pdf) en la parte inferior de esta página. Total 17 Páginas | ||
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MG36203
Buck type, Switching LED Driver
MG36203
Data Sheet
Version: 1.03
This document contains information on a new product under development by Megawin. Megawin reserves the right to change or
discontinue this product without notice.
© Megawin Technology Co., Ltd. 2014 All rights reserved.
2014/07 version 1.03
1 page  
4. Pin Configurations
5. Pin Descriptions
Pin No.
1
2
Name
VIN
CS
3 GND
4 GATE
5 DIM
6 VDD
7 ATDIM
8 N.C.
I/O
P_hv
I
G
O
I
P_lv
I
Description
Positive power input: 8V ~ 225V
Current sense pin, used to sense the FET current by means of an external
sense resistor.
IC ground pad
PWM signal’s output, for driving the external N-channel power
MOSFET.
Diming Control
If > 6V, gate driver is normally on
If < 1.5V, gate driver is forced off
If it is between 1.5V and 6V, The CS compared level is VDIM/9.23.
If the pin is switching at a frequency >100Hz, it becomes a digital
dimming control input.
7.0V output
Temperature compensation of LED output current.
If ATDIM >=0.65V, CS compare level is 0.65V.
If ATDIM < 0.65V, CS compare level is the voltage level of ATDIM
pin
No Connection.
5
MG36203 Data Sheet
MEGAWIN
5 Page 
Parameter
DIM dimming
DIM input voltage High
DIM input voltage Low
Linear dimming ratio
Symbol
Conditions
VDIM_H
VDIM_L
DIM_RATIO
Min.
ATDIM control
ATDIM input voltage
VATDIM
range
Current Sense Input
Current sense pull-in
VCS_L
Low threshold voltage
Current sense pull-in
VCS_H
High threshold voltage
Current sense blanking TBLANK
interval
Minimum on-time
TON_MIN
Maximum steady-state DMAX
duty cycle
Short Circuit Protection
Hiccup threshold voltage VHIC
Propagation Delay Time
of CS-to-GATE
Short circuit hiccup time
TDELAY
TSCP
Short circuit detection
time
Soft-start time
TSHORT
TSS
Open Circuit Protection
Open circuit detection TOPEN
time
Open circuit hiccup time TOCP
Gate Driver
11
@TA = -40°C to +85°C
0
@TA = -40°C to +85°C
330
@TA = -40°C to +85°C
630
150
@the voltage of CS is 0.68V
Reduction in output LED current
may occur beyond this duty cycle
Define Vcs=2V, Hiccup
protection occurs
@the voltage of CS is 0.68V
The sustained time when Hiccup
protection occurs (Vcs>=2V)
The detected time for Hiccup
protection event when Vcs >=2V
Roughly value, it depends on the
free run frequency of internal
OSC.
@LED Load open
@LED Load open
MG36203 Data Sheet
Typ. Max. Unit
6.0
1.5
1/9.2
3
V
V
0.65 V
350 370 mV
650 670 mV
215 320 ns
1000 ns
75 %
2V
150 ns
8 ms
215 ns
200 ms
2 ms
8 ms
MEGAWIN
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet MG36203.PDF ] | |
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