EVERLIGHT ALS-PDT243-3C-L451

5mm T-1 3/4
Ambient Light Sensor
ALS-PDT243-3C/L451
Features
‧Light to Current, analog output
‧Good output linearity across wide illumination range
‧Operation temperature performance, -30oC to 85oC
‧Wide supply voltage range, 3V to 24V
‧High efficiency light current output
‧Lower dark current 0.1uA
‧Lower cost
‧Size : 5mm Lamp (Flat lens)
‧RoHS compliant and Pb Free package
Description
The ALS-PDT243-3C/L451 is an ambient light sensor using a photo transistor in
a DIP package. It is used to replace traditional CdS sensors, since Cadmium is
no longer allowed by RoHS.
Applications
‧Detection of ambient light to control electrical unit
Lighting devices – Road lamp, Night lamp
Consumer device – LCD TV, Toys, Gaming
Everlight Electronics Co., Ltd.
Document No: DLS-00000xx Rev1
1
http://www.everlight.com
Jun.06, 2011
5mm T-1 3/4
Ambient Light Sensor
ALS-PDT243-3C/L451
Package Dimensions
Notes: 1. All dimensions are in millimeters
2. Tolerances unless dimensions ±0.1mm
Everlight Electronics Co., Ltd.
Document No: DLS-00000xx Rev1
2
http://www.everlight.com
Jun.06, 2011
5mm T-1 3/4
Ambient Light Sensor
ALS-PDT243-3C/L451
Absolute Maximum Ratings (Ta=25℃
℃)
Parameter
Symbol
Rating
Unit
Operating Temperature Range
Topr
-30~85
°C
Storage Temperature Range
Tstg
°C
Collector-Emitter Breakdown Voltage
V(BR)CEO
-30~100
+100
60
Emitter-Collector Breakdown Voltage
V(BR)ECO
8
V
Supply Voltage
Vcc
2~24
V
Soldering Temperature Range
Tsol
260
℃
V
Recommended Operating Conditions (Ta=25℃
℃)
Symbol
Min.
Max.
Unit
Operating Temperature
Topr
-30
+85
°C
Supply Voltage
VCC
3
24
V
Parameter
Everlight Electronics Co., Ltd.
Document No: DLS-00000xx Rev1
3
http://www.everlight.com
Jun.06, 2011
5mm T-1 3/4
Ambient Light Sensor
ALS-PDT243-3C/L451
Electrical and Optical Characteristics (Ta=25℃
℃)
Parameter
Collector –Emitter
Breakdown Voltage
Dark Current
Collector-Emitter
Saturation Voltage
Light Current
Saturation Output
Voltage
Peak Sensitivity
Wavelength
Sensitivity
Wavelength Range
Angle of half
Sensitivity
Symbol
MIN.
TYP.
MAX.
Unit
BVCEO
---
60
---
V
ICEO
---
---
0.1
uA
VCE(sat)
---
---
1
V
IPH1
22
---
55
µA
IC=50mA,
Ev= 1000Lux
VCE=5V, Ev= 10Lux
IPH2
285
---
720
µA
VCE=5V, Ev= 100Lux
IPH3
---
13
---
mA
VCE=5V, Ev= 100Lux
Vo
---
4.7
---
V
λp
---
790
---
nm
λ
400
---
1020
nm
2θ1/2
---
110
---
Deg.
Test Condition
Iceo=500uA
VCE=20V, Ev= 0Lux
[Note1]
[Note1]
[Note2]
VCE=5V, Ev= 1000Lux
[Note2]
RL=2KΩ
Notice:
1. White Fluorescent light (Color Temperature = 6500K) is used as light source. However,
White LED is substituted in mass production.
2. Illuminance by CIE standard illuminant-A / 2856K, incandescent lamp.
Everlight Electronics Co., Ltd.
Document No: DLS-00000xx Rev1
4
http://www.everlight.com
Jun.06, 2011
5mm T-1 3/4
Ambient Light Sensor
ALS-PDT243-3C/L451
Recommend Application Circuit (ALS)
Measurement Voltage Output
Measurement Light Current
Recommend Application Circuit (CDS)
For CDS Circuit
Everlight Electronics Co., Ltd.
Document No: DLS-00000xx Rev1
5
http://www.everlight.com
Jun.06, 2011
5mm T-1 3/4
Ambient Light Sensor
ALS-PDT243-3C/L451
Electrical and Optical Characteristics
Fig.1
Light Current vs. Illuminance
Fig.3
Light current vs. Temperature
Fig.5
Fig.2
Fig.4
Light current vs. Supply Voltage
Fig.6 Voltage Output vs. Illuminance
Spectral Response
Everlight Electronics Co., Ltd.
Document No: DLS-00000xx Rev1
Dark Current vs. Temperature
6
http://www.everlight.com
Jun.06, 2011
5mm T-1 3/4
Ambient Light Sensor
ALS-PDT243-3C/L451
Fig.7 Relative Intensity vs. Angle Displacement
Packing Quantity Specification
1. 500PCS/1Bag
,5Bags/1Box
2. 10Boxes/1Carton
Everlight Electronics Co., Ltd.
Document No: DLS-00000xx Rev1
7
http://www.everlight.com
Jun.06, 2011
5mm T-1 3/4
Ambient Light Sensor
ALS-PDT243-3C/L451
Label Format
CPN: Customer’s Production Number
P/N : Production Number
QTY: Packing Quantity
CAT: Ranks
HUE: Peak Wavelength
REF: Reference
LOT No: Lot Number
Notes
1. Above specification may be changed without notice. EVERLIGHT will reserve authority on
material change for above specification.
2. When using this product, please observe the absolute maximum ratings and the
instructions for using outlined in these specification sheets. EVERLIGHT assumes no
responsibility for any damage resulting from use of the product which does not comply with
the absolute maximum ratings and instructions included in these specification sheets.
3. These specification sheets include materials protected under copyright of EVERLIGHT
corporation. Please don’t reproduce or cause anyone to reproduce them without
EVERLIGHT’s consent.
Everlight Electronics Co., Ltd.
Document No: DLS-00000xx Rev1
8
http://www.everlight.com
Jun.06, 2011