LM3533 Datasheet, PDF (35/53 Pages) Texas Instruments – Complete Lighting Power Solution for Smartphone Handsets

LM3533
Bit [7:6]
LVLED3
Configuration
00 = LVLED3 is
controlled by Control
Bank C
01 = LVLED3 is
controlled by Control
Bank D
10 = LVLED3 is
controlled by Control
Bank E (Default)
11 = LVLED3 is
controlled by Control
Bank F
TABLE 2. OUTPUT CONFIGURATION REGISTER 1 (ADDRESS 0x10)
Bits [5:4]
Bits [3:2]
Bit [1]
LVLED2 Configuration LVLED1 Configuration HVLED2 Configuration
Bit 0
HVLED1
Configuration
00 = LVLED2 is
00 = LVLED1 is controlled 0 = HVLED2 is controlled 0 = HVLED1 is
controlled by Control by Control Bank C
by Control Bank A
controlled by Control
Bank C
(Default)
Bank A (Default)
01 = LVLED2 is
01 = LVLED1 is controlled 1 = HVLED2 is controlled 1 = HVLED1 is
controlled by Control by Control Bank D
by Control Bank B
controlled by Control
Bank D (Default)
(Default)
Bank B
10 = LVLED2 is
10 = LVLED1 is controlled
controlled by Control
Bank E
by Control Bank E
11 = LVLED2 is
controlled by Control
11 = LVLED1 is controlled
by Control Bank F
Bank F
Bits [7:4]
Not used
TABLE 3. OUTPUT CONFIGURATION REGISTER 2 (ADDRESS 0x11)
Bits [3:2]
Bits [1:0]
LVLED5 Configuration
LVLED4 Configuration
00 = LVLED5 is controlled by Control Bank C
00 = LVLED4 is controlled by Control Bank C
01 = LVLED5 is controlled by Control Bank D
01 = LVLED4 is controlled by Control Bank D
10 = LVLED5 is controlled by Control Bank E
10 = LVLED4 is controlled by Control Bank E
11 = LVLED5 is controlled by Control Bank F (Default) 11 = LVLED4 is controlled by Control Bank F
(Default)
TABLE 4. LED CURRENT STARTUP/SHUTDOWN TRANSITION TIME REGISTER (ADDRESS 0x12)
Bits [7:6]
Not Used
Bits [5:3]
Startup Transition Time
000 = 2048µs (Default)
001 = 262ms
010 = 524ms
011 = 1.049s
100 =2.097s
101 = 4.194s
110 = 8.389s
111 = 16.78s
Startup time is from when the device is enabled via
I²C to when the initial target current is reached.
Bits [2:0]
Shutdown Transition Time
000 = 2048µs (Default)
001 = 262ms
010 = 524ms
011 = 1.049s
100 =2.097s
101 = 4.194s
110 = 8.389s
111 = 16.78s
Shutdown ramp time is from when the device is
shutdown via I²C until the current sink ramps to 0.
TABLE 5. LED CURRENT RUN-TIME TRANSITION TIME REGISTER (ADDRESS 0x13)
Bits [7:6]
Not Used
Bits [5:3]
Transition Time Ramp Up
000 = 2048µs (Default)
001 = 262ms
010 = 524ms
011 = 1.049s
100 =2.097s
101 = 4.194s
110 = 8.389s
111 = 16.78s
Bits [2:0]
Transition Time Ramp Down
000 = 2048µs (Default)
001 = 262ms
010 = 524ms
011 = 1.049s
100 =2.097s
101 = 4.194s
110 = 8.389s
111 = 16.78s
Copyright © 1999-2012, Texas Instruments Incorporated
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