MSL3086-IU Atmel, MSL3086-IU Datasheet - Page 10

• Manufacturer Part Number: MSL3086-IU
• Description: LED Lighting Drivers 8-Str LED Driver Internal Boost Cntr
• Manufacturer: Atmel

Specifications of MSL3086-IU

• Rohs: yes
• Input Voltage: 5 V
• Operating Frequency: 200 Hz
• Maximum Supply Current: 18 mA
• Output Current: 350 uA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: VQFN-24
• Minimum Operating Temperature: - 40 C
• Power Dissipation: 1850 mW

6.0 Block Diagram
Figure 6.1. Block Diagram
Block Diagram
Figure 1. MSL3086/MSL3088 Block Diagram
©
5V – 32V
SUPPLY
LED
Atmel Inc., 2011. All rights reserved.
5V
C
BULK
SCTH (SYNC)
C2
R
ILED
CGND
PWM
FLTB
PVIN
ILED
SDA
SCL
VIN
C1
C3
EN
REG
CYCLE SET
FREQ SET
DUTY
GND
V
DD
MSL3086/MSL3087/MSL3088 Datasheet
C
DRIVE LOGIC
IN
STRING
(MSL3088)
MSL3086
EP
L1
GATE
GATE DRIVE
FAULT DETECT
CS
PGND
STRING DRIVERS
EO DAC
Q1
EFFICIENCY
OPTIMIZER
ONE OF 8
SHOWN
Page 10 of 26
R
CS
D1
REF
8-String 60mA LED Drivers with Integrated Boost Controller and Phase Shifted Dimming
FB
COMP
STR0
STR1
STR2
STR3
STR4
STR5
STR6
STR7
C
COMP2
C
OUT1
C
OUT2
Atmel MSL3086/MSL3088 Datasheet
R
C
COMP
COMP1
R
R
TOP
BOTTOM
V
LED
10