MAX8831EWE+T Maxim Integrated Products, MAX8831EWE+T Datasheet - Page 22

• Manufacturer Part Number: MAX8831EWE+T
• Description: IC LED DRIVR WHITE BCKLGT 16-WLP
• Manufacturer: Maxim Integrated Products
• Type: Backlight, White LED (I²C Interface)r

Specifications of MAX8831EWE+T

• Topology: Linear (LDO), PWM, Step-Up (Boost)
• Number Of Outputs: 5
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 1.8MHz ~ 2.2MHz
• Voltage - Supply: 1.6 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 16-WLP
• Operating Temperature: -40°C ~ 85°C
• Internal Switch(s): Yes
• Efficiency: 90%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Current - Output / Channel: -
• Lead Free Status / Rohs Status: Details
• Other names: MAX8831EWE+T

High-Efficiency, White LED Step-Up Converter
with I
Table 6. ILED#_CNTL Registers for LED1,
LED2 (Addresses: 0x0B, 0x0C)
#Indicates selected LED current regulator (1 or 2).
Table 8. LED#_BLINK_CNTL Registers (Addresses: 0x17, 0x18, 0x19)
#Indicates selected LED current regulator (3, 4, or 5).
22
B7 (MSB)
B0 (LSB)
B7 (MSB)
B0 (LSB)
BIT
______________________________________________________________________________________
B6
B5
B4
B3
B2
B1
BIT
B6
B5
B4
B3
B2
B1
ILED# [6:0]
2
NAME
C Interface in 2mm x 2mm WLP
—
LED#_TOFF_BLINK[1:0]
LED#_TON_BLINK[1:0]
LED#_BLINK_EN
Reserved for future use
Programs LED# current as
indicated in Table 1
NAME
—
—
—
DESCRIPTION
Reserved for future use
0
1
Reserved for future use
Programs LED# blink OFF timer using bits
[4:3] as follows:
00
01
10
11
Reserved for future use
Programs LED# blink ON timer using bits
[1:0] as follows:
00
01
10
11
Table 7. ILED#_CNTL Registers for LED3,
LED4, LED5 (0x0D, 0x0E, 0x0F)
#Indicates selected LED current regulator (3, 4, or 5).
LED# blink function disabled
LED# blink function enabled
LED# blink OFF timer set to 1024ms
LED# blink OFF timer set to 2048ms
LED# blink OFF timer set to 4096ms
LED# blink OFF timer set to 8192ms
LED# blink ON timer set to 256ms
LED# blink ON timer set to 512ms
LED# blink ON timer set to 1024ms
LED# blink ON timer set to 2048ms
B7 (MSB)
B0 (LSB)
BIT
B6
B5
B4
B3
B2
B1
ILED# [4:0]
NAME
DESCRIPTION
—
—
—
Reserved for future use
Reserved for future use
Reserved for future use
Programs LED# current as
indicated in Table 2
DESCRIPTION