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LM3503SQ-16 датащи(PDF) 5 Page - Texas Instruments

номер детали LM3503SQ-16
подробное описание детали  Dual-Display Constant Current LED Driver with Analog Brightness Control
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производитель  TI1 [Texas Instruments]
домашняя страница  http://www.ti.com
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LM3503SQ-16 датащи(HTML) 5 Page - Texas Instruments

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LM3503
www.ti.com
SNVS329D – JULY 2005 – REVISED AUGUST 2006
Electrical Characteristics
(1)(2) (continued)
Limits in standard typeface are for TJ = +25°C. Limits in bold typeface apply over the full operating junction temperature
range (
−40°C ≤ TJ ≤ +125°C). Unless otherwise specified,VIN = 2.5V.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
OVP
Over-Voltage
On Threshold (16)
14.5
15.5
16.5
Protection(5)
Off Threshold (16)
14.0
15
16.0
On Threshold (25)
22.5
24
25.5
F Off Threshold (25)
21.5
23
24.5
V
On Threshold (35)
32.0
34
35.0
Off Threshold (35)
31.0
33
34.0
On Threshold (44)
40.5
42
43.5
Off Threshold (44)
39.0
41
42.0
VEn1
PMOS FET Switch and
Off Threshold
0.8
0.3
Device Enabling
V
On Threshold
1.4
0.8
Threshold (Figure 3: P1)
VEn2
NMOS FET Switch and
Off Threshold
0.8
0.3
Device Enabling
V
On Threshold
1.4
0.8
Threshold (Figure 3: N2)
VCntrl
VCntrl Range
VIN = 3.6V
0.2
3.5
V
IEn1
En1 Pin Bias Current(6)
En1 = 2.5V
7
14
µA
En1 = 0V
0.1
IEn2
En2 Pin Bias Current(6)
En2 = 2.5V
7
14
µA
En2 = 0V
0.1
ICNTRL
Cntrl Pin Bias Current(6)
Cntrl = 2.5V
8
14
µA
(5)
The on threshold indicates that the LM3503 is no longer switching or regulating LED current, while the off threshold indicates normal
operation.
(6)
Current flows into the pin.
Copyright © 2005–2006, Texas Instruments Incorporated
Submit Documentation Feedback
5
Product Folder Links: LM3503


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