MAX17061ETI+ Maxim Integrated Products, MAX17061ETI+ Datasheet - Page 13

• Manufacturer Part Number: MAX17061ETI+
• Description: IC LED DRVR WHITE BCKLGT 28-TQFN
• Manufacturer: Maxim Integrated Products
• Type: Backlight, White LEDr

Specifications of MAX17061ETI+

• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 8
• Internal Driver: Yes
• Type - Primary: Automotive, Backlight
• Type - Secondary: White LED
• Frequency: 1MHz
• Voltage - Supply: 4.5 V ~ 26 V
• Voltage - Output: 5V
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN Exposed Pad
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 30mA
• Internal Switch(s): Yes
• Operating Supply Voltage: 5 V
• Maximum Supply Current: 2 mA
• Maximum Power Dissipation: 1667 mW
• Maximum Operating Temperature: + 85 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: Lead free / RoHS Compliant

Figure 2. Control Circuit Block Diagram
PWMO
PWMI
FSET
OSC
CCV
ISET
SDA
SCL
V
CC
IN
BLOCK DIAGRAM
OSCILLATOR
REGULATOR
COMPARATOR
5V LINEAR
______________________________________________________________________________________
DIMMING
3-LEVEL
REF ADJ
V
CC
A
D "1"
"< = 1"
0x03
SMBus for LCD Panel Applications
PWM_MD
0x02
AMPLIFIER
INTERFACE
COMPENSATION
ERROR
SMBus
DPWM SIGNAL GENERATOR
MUX
OV FAULT
MAX17061
CLOCK
SLOPE
8-String White LED Driver with
0x01
gm
8-BIT D/A
0x00
REF
PWM_SEL
SETTING
DPWM
FB OVERVOLTAGE
COMPARATOR
MUX
VSAT
WLED
ON/OFF
V
COMPARATOR
CC
ERROR
+ 0.6V
HVC
LVC
OUTPUT OVERVOLTAGE
COMPARATOR
CURRENT SOURCE
CURRENT SOURCE
CURRENT SOURCE
CURRENT SOURCE
CURRENT SOURCE
CURRENT SOURCE
CURRENT SOURCE
CURRENT SOURCE
CURRENT SENSE
CONTROL AND
DRIVER LOGIC
EN
10
FB8
FB7
FB6
FB5
FB4
FB3
FB2
1.236V
OV
V
LX1, 2
PGND1, 2
FB1
GND
FB2
FB3
FB4
FB5
FB6
FB7
FB8
DD
13