MAX16807AUI+T Maxim Integrated Products, MAX16807AUI+T Datasheet - Page 12

• Manufacturer Part Number: MAX16807AUI+T
• Description: IC LED DRVR WT/RGB BCKLT 28TSSOP
• Manufacturer: Maxim Integrated Products
• Type: Backlight, White LED, RGB (Serial Interface)r

Specifications of MAX16807AUI+T

• Constant Current: Yes
• Topology: Open Drain, PWM, Step-Down (Buck), SEPIC, Step-Up (Boost)
• Number Of Outputs: 8
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: RGB, White LED
• Frequency: 20kHz ~ 1MHz
• Voltage - Supply: 8 V ~ 26.5 V
• Voltage - Output: 36V
• Mounting Type: Surface Mount
• Package / Case: 28-TSSOP Exposed Pad, 28-eTSSOP, 28-HTSSOP
• Operating Temperature: -40°C ~ 125°C
• Current - Output / Channel: 55mA
• Internal Switch(s): No
• Operating Supply Voltage: 3 V to 5.5 V
• Maximum Supply Current: 5 mA
• Maximum Power Dissipation: 2162 mW
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Efficiency: -
• Lead Free Status / Rohs Status: Details

ode of a string of LEDs connected in series. The con-
stant-current capability is up to 55mA per output, set
for all 8 outputs by an external resistor, R
device can operate in a stand-alone mode (see the
Typical Operating Circuits .)
Integrated 8-Channel LED Driver with
Switch-Mode Boost and SEPIC Controller
Figure 1a. Internal Block Diagram (MAX16807)
12
______________________________________________________________________________________
COMP
AGND
CLK
DIN
CS
OE
FB
LE
SHUTDOWN
THERMAL
MAX16807
VEA
D0
D0
D0
DELAY
REFERENCE
2.5V
300mV
D1
D1
D1
REG_OK
I
LIM
D2
D2
D2
SET
PREREG
2R
SERIAL-TO-PARALLEL SHIFT REGISTER
5V
CONSTANT-CURRENT SINK
. The
D3
D3
D3
OUTPUT LATCHES
R
CPWM
SHUTDOWN
THERMAL
D4
D4
D4
The number of channels can be expanded by using the
MAX6970 and MAX6971 family in conjunction with the
MAX16807.
CLK
D5
D5
D5
UVLO
EN_REF
BG
SNS
OSC
VOLTAGE
DIVIDER
5V REG
D6
D6
D6
V
Q
DD
D7
D7
D7
S
R
Q
VOLTAGE-
DIVIDER
PGND
POWER-ON
REFERENCE
CURRENT
RESET
V+
26.5V
V
CC
V
REF
OUT
RTCT
DOUT
V+
SET
CC