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LED2000DR Datasheet(PDF) 8 Page - STMicroelectronics

Part # LED2000DR
Description  3 A monolithic step-down current source with synchronous rectification
PDF  40 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LED2000DR Datasheet(HTML) 8 Page - STMicroelectronics

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Electrical characteristics
LED2000
8/40
DocID023432 Rev 4
4
Electrical characteristics
TJ = 25 °C, VCC = 12 V, unless otherwise specified.
Table 4. Electrical characteristics
Symbol
Parameter
Test conditions
Value
Unit
Min.
Typ.
Max.
VIN
Operating input voltage range
See(1)
1. Specifications referred to TJ from -40 to +125 °C. Specifications in the -40 to +125 °C temperature range
are assured by design, characterization and statistical correlation.
318
V
Device ON level
2.6
2.75
2.9
Device OFF level
2.4
2.55
2.7
VFB
Feedback voltage
TJ = 25 °C
90
97
104
mV
TJ = 125 °C
90
100
110
IFB
VFB pin bias current
See(1)
600
nA
RDSON-P High-side switch on-resistance ISW = 750 mA
95
m
RDSON-N Low-side switch on-resistance
ISW = 750 mA
69
m
ILIM
Maximum limiting current
See(2)
2. Guaranteed by design.
5A
Oscillator
FSW
Switching frequency
0.7
0.85
1
MHz
D
Duty cycle
See(2)
0100
%
DC characteristics
IQ
Quiescent current
1.5
2.5
mA
Dimming
VDIM
DIM threshold voltage
Switching activity
1.2
V
Switching activity
prevented
0.4
IDIM
DIM current
2
A
Soft-start
TSS
Soft-start duration
1
ms
Protection
TSHDN
Thermal shutdown
150
°C
Hystereris
15



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