LP5526TLX/NOPB National Semiconductor, LP5526TLX/NOPB Datasheet - Page 29

• Manufacturer Part Number: LP5526TLX/NOPB
• Description: IC LED DRVR WT/RGB BCKLT 25-USMD
• Manufacturer: National Semiconductor
• Series: PowerWise®r
• Type: Backlight, White LED, RGB (I²C Interface)r

Specifications of LP5526TLX/NOPB

• Constant Current: Yes
• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 5
• Internal Driver: Yes
• Type - Primary: Backlight, Light Management Unit (LMU)
• Type - Secondary: RGB, White LED
• Frequency: 1MHz
• Voltage - Supply: 3 V ~ 5.5 V
• Voltage - Output: 8 V ~ 20 V
• Mounting Type: Surface Mount
• Package / Case: 25-MicroSMD
• Operating Temperature: -30°C ~ 85°C
• Current - Output / Channel: 150mA
• Internal Switch(s): Yes
• Efficiency: 88%
• For Use With: LP5526TLEV - BOARD EVAL LP5526 LMU LED DRIVER
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LP5526TLX

ENABLES (0BH) – ENABLES REGISTER
BOOST OUTPUT (0DH) – BOOST OUTPUT VOLTAGE CONTROL REGISTER
RW - 0
R - 0
D7
D7
NSTBY
RW - 0
RW - 0
D6
D6
NSTBY
EN_BOOST
EN_FLASH
EN_AUTOLOAD
BOOST[7:0]
EN_BOOST
0000 1000
0000 1001
0000 1010
0000 1011
0000 1100
0000 1101
0000 1110
0000 1111
0001 0000
0001 0001
0001 0010
0001 0011
0001 0100
RW - 0
RW - 0
D5
D5
BOOST output voltage adjustment
Bit 6
Bit 5
Bit 3
Bit 2
RW - 0
0 – LP5526 standby mode
1 – LP5526 active mode
0 – Boost converter disabled
1 – Boost converter enabled
0 – Flash function disabled
1 – Flash function enabled
0 – Boost active load disabled
1 – Boost active load enabled
R - 0
Typical boost output voltage (V)
D4
D4
BOOST[7:0]
29
EN_FLASH
RW - 0
RW - 1
10.00
11.00
12.00
13.00
14.00
15.00
16.00
17.00
18.00
19.00
20.00
8.00
9.00
D3
D3
EN_AUTOLOA
RW - 1
RW - 0
D2
D2
D
RW - 0
R - 0
D1
D1
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RW - 0
R - 0
D0
D0