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ALED6000 数据表(PDF) 7 Page - STMicroelectronics

部件名 ALED6000
功能描述  Automotive 3 A single channel LED driver with integrated DC-DC converter
PDF  45 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ALED6000 数据表(HTML) 7 Page - STMicroelectronics

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4
Electrical characteristics
TJ = -40 to +125 °C, VIN = VCC = 24 V and VDIM=VEN =3 V unless otherwise specified.
Table 5. Electrical characteristics
Symbol
Parameter
Test conditions
Min.
Typ.
Max. Unit
VIN
Operating input voltage range
4.5
61
V
RDSON HS
High-side RDSON
ILX=0.5 A; TJ = 25 °C
0.25
0.32
Ω
ILX=0.5 A
0.25
0.46
Ω
fSW
Switching frequency
FSW pin floating; TJ = 25 °C
233
250
267
kHz
FSW pin floating
225
250
275
kHz
Selected switching frequency
RFSW=10 kΩ
1350 1500 1650 kHz
IPK
Peak current limit
ILIM pin floating; VFB = 0 V
(1)
3.4
4.1
5.0
A
Selected peak current limit
RILIM=100 kΩ; VFB = 0 V
(1)
0.69
0.84
1.00
A
ISKIP
Pulse skipping peak current
ILIM pin floating
(1)
0.40
A
RILIM=100 kΩ
(1)
0.15
A
TONMIN
Minimum on-time
120
150
ns
TONMAX
Maximum on-time
Refer to Functional description section for
TONMAX details.
12
μs
TOFFMIN
Minimum off-time
(2)
360
ns
VCC / VBIAS
VCCH
VCC UVLO rising threshold
3.85
4.10
4.30
V
VCCHYST
VCC UVLO hysteresis
150
250
380
mV
SWO
VBIAS threshold
Switch internal supply from VIN to VBIAS
2.84
2.90
3.03
V
Hysteresis
80
mV
VCC -VBIAS threshold
Switch internal supply from VCC to
VBIAS. VIN=VCC=24 V, VBIAS falling
from 24 V to GND
3.35
4.05
4.90
V
Hysteresis
900
mV
Power consumption
ISHTDWN
Shutdown current from VIN
VEN = GND; TJ=25 °C
11
16
μA
VEN = GND
23
48
μA
IQUIESC
Quiescent current from VIN and
VCC
LX floating, VFB=1 V, VBIAS=GND, FSW
floating
2.5
3.0
mA
IQOPVIN
Quiescent current from VIN and
VCC
LX floating, VFB=1 V, VBIAS=3.3 V, FSW
floating
1.0
1.3
mA
IQOPVBIAS
Quiescent current from VBIAS
1.6
2.2
mA
Enable
VENL
Device OFF level
0.06
0.30
V
VENH
Device ON level
0.35
0.90
V
Soft-start
ALED6000
Electrical characteristics
DS13018 - Rev 4
page 7/45



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