MAX1986ETE+ Maxim Integrated Products, MAX1986ETE+ Datasheet - Page 10
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MAX1986ETE+
Manufacturer Part Number
MAX1986ETE+
Description
IC LED DRVR WHITE BCKLGT 16-TQFN
Manufacturer
Maxim Integrated Products
Type
Backlight, White LEDr
Datasheet
1.MAX1986ETET.pdf
(17 pages)
Specifications of MAX1986ETE+
Topology
PWM, Step-Up (Boost)
Number Of Outputs
4
Internal Driver
Yes
Type - Primary
Backlight
Type - Secondary
White LED
Frequency
800kHz ~ 1.2MHz
Voltage - Supply
2.7 V ~ 5.5 V
Mounting Type
Surface Mount
Package / Case
16-TQFN Exposed Pad
Operating Temperature
-40°C ~ 85°C
Current - Output / Channel
25mA
Internal Switch(s)
Yes
Efficiency
90%
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Output
-
Lead Free Status / Rohs Status
Details
Ultra-High-Efficiency White
LED Drivers
Figure 2. System Functional Diagram
10
______________________________________________________________________________________
CONTROL
DIMMING
V
LED SELECT
IN
C
R
C
IN
SETI
REF
2.4V
REF
MODE
BITA
BITB
BITC
SETI
SEL
IN
COMP
UVLO
SHUTDOWN
MAX1984
MAX1985
MAX1986
MIN
CONTROL
DIMMING
LOGIC
REF AND
BLOCK
BLOCK
BIAS
FB
IREF
L
CONTROLLER
STEP-UP
EN [8:1]
CURRENT
*MAX1984 AND MAX1985 ONLY.
**MAX1984 ONLY.
SENSE
EN1
IREF
EN2
IREF
EN3
IREF
EN4
IREF
EN5
IREF
EN6
IREF
EN7
IREF
EN8
IREF
LX
LDG
LDG
LDG
LDG
LDG
LDG
LDG
LDG
LD1
LD2
LD3
LD4
LD5
LD6
LD7
LD8
OUT
GND
LD1
LD2
LD3
LD4
LD5*
LD6*
LD7**
LD8**
LDG
C
OUT