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TLP1037A
TOSHIBA Photointerrupter Infrared LED + Photo IC
TLP1037A
Domestic electrical appliances such as VTRs and CD players Office equipment such as photocopiers, printers and fax machines Vending machines, bank ATMs and automatic ticket machines Position detectors
The TLP1037A is a high-withstanding-voltage photo-interrupter for digital output. The device combines a high-optical-output GaAs infrared LED with a high-sensitivity, high-gain Si photo-IC. The photo-IC, which supports a wide range of systems (3.3 V to 12 V), enables the device to consume less power than conventional devices. The device also features a narrow slit width and high resolution. The device is housed in a deep-slot package. * * * * * * * * * * Deep-slot package (detection slot depth: 12 mm) Designed for direct mounting on printed circuit boards (positioning pins included) Gap: 5 mm Resolution: slit width 0.5 mm Digital output (open-collector, high-level output when no light is present) Direct connection to logic IC Power supply voltage: VCC = 2.7 V~15 V Switching time: tpLH = 15 s (max) Detector impermeable to visible light Package material: Polybutylene-terephthalate (UL94V-0, black) TOSHIBA Weight: 1 g (typ.)
Maximum Ratings (Ta = 25C)
Characteristics Forward current LED Forward current derating Reverse voltage Detector Supply voltage Output voltage Low-level output current (Ta = Topr) (Ta > 25C) (Ta > 85C) Symbol IF DIF/C VR VCC VO IOL Topr Tstg (Note 1) Tsol Rating 50 -0.33 -2 5 15 15 16 -30~95 -40~100 260 Unit mA mA/C V V V mA C C C
Operating temperature Storage temperature Soldering temperature (5 s)
Note 1: Soldering is performed 1.5 mm from the bottom of the package.
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TLP1037A
Recommended Operating Conditions
Characteristics LED forward current Supply voltage Output voltage Low-level output current Operating temperature Symbol IF VCC VO IOL Topr Min 8 (Note 2) 2.7 3/4 3/4 -25 Typ. 3/4 3.3 3/4 3/4 3/4 Max 20 13.2 13.2 16 95 Unit mA V V mA C
Note 2: The value 8 mA takes account of 50% LED optical fluctuation. The initial value of the threshold input current is 4 mA or less.
(unless otherwise specified: Ta = -30~95C, VCC = 2.7~15 V)
Characteristics Forward voltage LED Reverse current Peak emission wavelength operating supply voltage Low-level supply current Detector High-level supply current Low-level output voltage High-level output current Peak sensitivity wavelength Propagation characteristics H (R) L threshold input current Hysteresis Propagation delay time (L (R) H) Propagation delay time (H (R) L) Rise time Fall time Symbol VF IR lP VCC ICCL ICCH VOL IOH lP IFHL IFHL/IFLH tpLH tpHL tr tf VCC = 3.3 V, IF = 15 mA, RL = 10 kW, Ta = 25C (Note 3) Test Conditions IF = 10 mA, Ta = 25C VR = 5 V, Ta = 25C IF = 15 mA, Ta = 25C 3/4 IF = 15 mA, Ta = 25C IF = 15 mA IF = 0 IOL = 16 mA, IF = 15 mA, Ta = 25C IOL = 16 mA, IF = 15 mA IF = 0, VO = 15 V Ta = 25C Ta = 25C Min 1.00 3/4 3/4 2.7 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 Typ. 1.15 3/4 940 3/4 3/4 3/4 3/4 0.05 3/4 3/4 900 3/4 3/4 1.5 3/4 3/4 0.8 0.02 Max 1.30 10 3/4 15 1.6 2.0 1.2 0.3 0.4 6.3 3/4 3 4 3/4 15 9 3/4 3/4 ms mA nm mA 3/4 Unit V mA nm V mA mA V
Electrical and Optical Characteristics
Note 3: The switching time measurement circuit and waveform are as follows:
10 kW
Constant-voltage circuit IF
Amp
VCC = 3.3 V RL VOUT
IF tpHL VOUT tf
50% tpLH 90% 10% tr VOH 1.5 V VOL
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TLP1037A
Markings
Monthly lot number
Month of manufacture (January to December denoted by letters A to L respectively) Year of manufacture (Last digit of year of manufacture)
Precautions
* When removing flux with chemicals after soldering, clean only the soldered part of the leads. Do not immerse the entire package in the cleaning solvent. Chemical residue on the LED emitter or the photodetector inside the photo-IC case may adversely affect the optical characteristics of the device and may drastically reduce the threshold input current. The case is made of polybutylene-terephthalate. Oil or chemicals may cause the package to melt or crack. Care must be taken in relation to the environment in which the device is to be installed. Mount the device on a level surface. Output fluctuates for 100 ms after power-on while the internal circuit stabilizes. To stabilize the power line, insert a bypass capacitor of up to 0.01 mF between VCC and GND, close to the device. The threshold input current increases over time due to current flowing in the infrared LED. The design of circuits which incorporate the device must take into account the change in threshold input current over time. The change in threshold input current is equal to the reciprocal of the change in LED infrared optical output.
* * * * *
I FHL ( t ) ae PO ( t ) o / =c I FHL (0) c PO (0) / o e
*
-1
Choose a high-quality shutter material which is impermeable to light. If the material is of inferior quality, light from the LED may pass through the shutter, causing the device to malfunction.
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TLP1037A
Package Dimensions
Country of origin
Unit: mm
Product number (TL omitted)
LED
Center of sensor
( ): reference value
Weight: 1 g (typ.)
Pin Connection
Enlarged part A 2.0 0.1 Enlarged part B 1.34 0.04 4 - (R0.1) f1.2 0.1 1.34 0.04 (0.1) (C0.2) 5 1: Anode 2: Cathode 3: VCC 4: OUT 5: GND
3
1
Amp
4
2
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2.3 0.1
Constant-voltage circuit
TLP1037A
IF - Ta
60 100 50
IF - VF
(typ.)
(mA)
50
(mA) Forward current IF
Permissible forward current IF
30
40
30
10 5 3 Ta = 75C 50 25 0 -25
20
10
0 -20
0
20
40
60
80
100
1 0.8
0.9
1.0
1.1
1.2
1.3
1.4
Ambient temperature Ta (C)
Forward voltage
VF
(V)
VOL - IOL
0.1
(typ.)
10
tpLH, tpHL - IF
(ms)
Ta = 25C 8 VCC = 3.3 V RL = 10 kW
(typ.)
VOL (V)
Ta = 25C 0.05 0.03 VCC = 3.3 V IF = 15 mA
Propagation delay time tpLH, tpHL
Low-level output voltage
6
tpLH
0.01
4
0.005 0.003 0.002 0.3 0.5 1 3 5 10 30
2 tpHL 0 0 10 20 30 40 50 60
Low-level output current
IOL
(mA)
Forward current
IF
(mA)
tr, tf - RL
20 10 Ta = 25C VCC = 3.3 V 5 I = 15 mA F 3 tr 1 0.5 0.3 0.1 0.05 0.03 0.01 0.1 tf
(typ.)
9
tpLH, tpHL - RL
(ms)
8 7 6 5 4 3 2 1 0 0.1 tpHL tpLH Ta = 25C VCC = 3.3 V IF = 15 mA
(typ.)
0.3 0.5
1
3
5
10
30 50 100
300 500
Propagation delay time tpLH, tpHL
Rise / Fall time tr, tf
(ms)
0.3 0.5
1
3
5
10
30 50
100
Load resistance RL (k9)
Load resistance RL (k9)
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TLP1037A
Detection position (1)
1.2
(typ.)
1.2
Detection position (2)
(typ.)
1.0
1.0 Ta = 25C VCC = 3.3 V RL = 10 kW IF = 20 mA 0 d
Relative output voltage
0.8
Relative output voltage
0.8
Ta = 25C VCC = 3.3 V RL = 10 kW IF = 20 mA Shutter
0.6
+
0.6
0.4 Shutter 0.2 Detection position d = 0 0.3 mm -0.2 0 0.2 0.4 0.6 0.8
0.4
d
0.2
Detection position d = 12 +1.5 mm -1.1
0 -0.4
0 11.0
11.2
11.4
11.6
11.8
12.0
12.2
Distance
d
(mm)
Distance
d
(mm)
Relative Positioning of Shutter and Device
For normal operation, position the shutter and the device as shown in the figure below. By considering the device's detection direction characteristic and switching time, determine the shutter slit width and pitch.
Shutter
A
A' Unit: mm
Center of sensor 13.5 min 10.9 max 12
Cross section between A and A'
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TLP1037A
RESTRICTIONS ON PRODUCT USE
020704EBC
* TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the "Handling Guide for Semiconductor Devices," or "TOSHIBA Semiconductor Reliability Handbook" etc.. * The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). These TOSHIBA products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury ("Unintended Usage"). Unintended Usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in this document shall be made at the customer's own risk. * Gallium (GaAs) Arsenide is a substance used in the products described in this document. GaAs dust or vapor is harmful to the human body. Do not break, cut, crushu or dissolve chemically. * The products described in this document are subject to the foreign exchange and foreign trade laws. * The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or others. * The information contained herein is subject to change without notice.
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