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LED2001PHR Datasheet(PDF) 8 Page - STMicroelectronics

Part # LED2001PHR
Description  4 A monolithic step-down current source with synchronous rectification
PDF  42 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LED2001PHR Datasheet(HTML) 8 Page - STMicroelectronics

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Electrical characteristics
LED2001
8/42
DocID024346 Rev 1
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
(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 (1)
90
100
110
IFB
VFB pin bias current
(1)
600
nA
RDSON-P
High-side switch on-
resistance
ISW=750 mA
95
m
Ω
RDSON-N
Low-side switch on-
resistance
ISW=750 mA
69
m
Ω
ILIM
Maximum limiting current (2)
2.
Guaranteed by design.
5.6
A
Oscillator
FSW
Switching frequency
0.7
0.85
1
MHz
D
Duty cycle
(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
μA
Soft-start
TSS
Soft-start duration
1
ms
Protection
TSHDN
Thermal shutdown
150
°C
Hystereris
15



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