LV52204MU Datasheet, PDF (3/16 Pages) ON Semiconductor – LED Boost Driver with PWM

LV52204MU
Recommended SWIRE Timing at Ta = 25°C, VCC = 3.6V, unless otherwise specified
Parameter
SWIRE setup time1
from shutdown
SWIRE setup time2
from shutdown
SWIRE mode selectable time
SWIRE delay time to start
digital mode detection
SWIRE low time to switch to
digital mode
SWIRE low time to shutdown
SWIRE start time for digital
mode programming
SWIRE end time for digital
mode programming
SWIRE High time of bit 0
SWIRE Low time of bit 0
SWIRE High time of bit 1
SWIRE Low time of bit1
DCDC startup delay
Delay time of Acknowledge
Duration of Acknowledge
*2 Guaranteed by design
Symbol
Ton1
Ton2
Tsel
Tw0
Tw1
Toff
Tstart
Tend
Th0
Tl0
Th1
Tl1
Tdel
Tackd
Tack
Conditions
PWM duty more than 2%,
VIN≥3.3V, -30°C to 85°C *2
Bit detection = 0
Bit detection = 0
Bit detection = 1
Bit detection = 1
min
2
20
1
100
260
8.9
2
2
2
Th0 × 2
Tl1 × 2
2
Ratings
typ
2
Unit
max
μs
μs
2.2 ms
μs
μs
ms
μs
360 μs
180 μs
360 μs
360 μs
180 μs
ms
2 μs
512 μs
Block Diagram
VBAT
VCC
6
UVLO
OCP
SW
4
OVP
TSD
600kHz PWM
Controler
PWM/
1-Wire
SWIRE ₅
FCAP ₂
VREF VREF
CONTROL
1 ^FB
3 ^GND
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