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TS19460CSRLG 数据表(PDF) 3 Page - Taiwan Semiconductor Company, Ltd

部件名 TS19460CSRLG
功能描述  AC/DC WLED Driver with Average-Mode Constant Current Control
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制造商  TSC [Taiwan Semiconductor Company, Ltd]
网页  http://www.taiwansemi.com
标志 TSC - Taiwan Semiconductor Company, Ltd

TS19460CSRLG 数据表(HTML) 3 Page - Taiwan Semiconductor Company, Ltd

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TS19460
Taiwan Semiconductor
Document Number: DS_P0000188
3
Version: D15
ELECTRICAL SPECIFICATIONS (T
A= 25
oC, V
IN= 12V, VLD=PWM=VDD, unless otherwise noted)
PARAMETER
SYMBOL
CONDITION
MIN
TYP
MAX
UNIT
Average Current Sense Logic
Current Sense Reference
Voltage
VCS
238
250
262
mV
LD to Current Sense Ratio
Av(LD)
--
0.18
--
mV
LD input Voltage Shutdown
VLD(OFF)
VLD falling
--
150
--
mV
LD input Voltage Enable
∆V
LD(OFF)
VLD rising
--
200
--
mV
Current Sense Blanking Interval
TBLANK
150
--
280
ns
Minimum On-Time
TON(min)
VCS= VCS + 30mV
--
--
1
μS
Off Time
TOFF
RT=1MΩ
32
--
48
μS
RT=226kΩ
8
--
12
Max. Steady-State Duty Cycle
DMAX
75
--
--
%
Short Circuit Protection
Hiccup Threshold Voltage
VCS
410
--
470
mV
Current Limit Delay CS to Gate
TDELAY
VCS= VCS + 30mV
--
--
150
ns
Short Circuit Hiccup Time
THICCUP
330
--
460
μS
Minimum On-Time (Short Circuit)
TON(min)
VCS= VDD
--
--
430
μS
Gate Driver
Gate Sourcing Current
ISOURCE
VGATE=0V, VDD=7.5V
165
--
--
mA
Gate Sinking Current
ISINK
VGATE=VDD, VDD=7.5V
165
--
--
mA
Gate Output Rise Time
TRISE
CGATE=500pF,
VDD=7.5V
--
30
50
ns
Gate Output Fall Time
TFALL
CGATE=500pF,
VDD=7.5V
--
30
50
ns
Note:
1.
S
tresses listed as the above “Absolute Maximum Ratings” may cause permanent damage to the device. These
are for stress ratings. Functional operation of the device at these or any other conditions beyond those
indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating
conditions for extended periods may remain possibility to affect device reliability.
2.
Limited by package power dissipation, whichever is lower.
3.
Thermal Resistance is specified with the component mounted on a low effective thermal conductivity test board
in free air at TA=25°C.
4.
Denotes the specifications which apply over the full operating ambient temperature range of -40ºC<TA<+125ºC.


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