MAX1986ETE+T Maxim Integrated Products, MAX1986ETE+T Datasheet - Page 10

• Manufacturer Part Number: MAX1986ETE+T
• Description: IC LED DRVR WHITE BCKLGT 16-TQFN
• Manufacturer: Maxim Integrated Products
• Type: Backlight, White LEDr

Specifications of MAX1986ETE+T

• 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