PHOTOTRANSISTOR OPTOCOUPLERS

Transcription

1 MCT2 MCT2E MCT20 MCT27 WHITE PACKAGE (-M SUFFIX) BLACK PACKAGE (NO -M SUFFIX) DESCRIPTION The MCT2XXX series optoisolators consist of a gallium arsenide infrared emitting diode driving a silicon phototransistor in a -pin dual in-line package. FEATURES UL recognized (File # E90700) VDE recognized (File # 947) -Add option V for white package (e.g., MCT2V-M) -Add option 300 for black package (e.g., MCT2.300) MCT2 and MCT2E are also available in white package by specifying -M suffix, eg. MCT2-M SCHEMATIC NC 4 APPLICATIONS Power supply regulators Digital logic inputs Microprocessor inputs PIN. ANODE 2. CATHODE 3. NO CONNECTION 4. EMITTER 5. COLLECTOR. BASE 200 Fairchild Semiconductor Corporation DS /3/02 OF 3

2 MCT2 MCT2E MCT20 MCT27 ABSOLUTE MAXIMUM RATINGS Parameter Symbol Device Value Units TOTAL DEVICE Storage Temperature T STG ALL -55 to +50 C Operating Temperature T OPR ALL -55 to +00 C Lead Solder Temperature T SOL ALL 20 for 0 sec C -M 250 Total Device Power T A = 25 C mw Non-M 20 P D -M 2.94 Derate above 25 C mw/ C Non-M 3.3 EMITTER -M 0 I DC/Average Forward Input Current F Non-M 00 ma Reverse Input Voltage V R ALL 3 V Forward Current - Peak (300µs, 2% Duty Cycle) I F (pk) ALL 3 A -M 20 LED Power T A = 25 C P D Non-M 50 mw Derate above 25 C -M.4 Non-M 2.0 mw/ C DETECTOR Collector Current I C ALL 50 ma Collector-Emitter Voltage V CEO ALL 30 V Detector Power T A = 25 C ALL 50 mw Derate above 25 C P D -M.7 Non-M 2.0 mw/ C 2 OF 3 /3/02 DS300234

3 MCT2 MCT2E MCT20 MCT27 ELECTRICAL CHARACTERISTICS (T A = 25 C Unless otherwise specified.) INDIVIDUAL COMPONENT CHARACTERISTICS Parameter Test Conditions Symbol Device Min Typ** Max Unit EMITTER MCT2/-M MCT2E/-M MCT27 Input Forward Voltage (I F = 20 ma) V F MCT V MCT220 MCT2202 (T A = 0-70 C, I F = 40 ma) MCT20.33 MCT2/-M MCT2E/-M MCT27 Reverse Leakage Current (V R = 3.0 V) I R MCT µa MCT220 MCT2202 (T A = 0-70 C, V R =.0 V) MCT20 DETECTOR (I C = ma, I F = 0) ALL Collector-Emitter Breakdown Voltage (T A = 0-70 C) BV CEO MCT20 MCT2/-M MCT2E/-M MCT V Collector-Base Breakdown Voltage (I C = 0 µa, I F = 0) BV CBO MCT V MCT220 MCT2202 (T A = 0-70 C) MCT20 30 MCT2/-M MCT2E/-M MCT Emitter-Collector Breakdown Voltage (I E = 00 µa, I F = 0) BV ECO MCT2200 V MCT220 MCT2202 (T A = 0-70 C) MCT20 0 (V CE = 0 V, I F = 0) 50 na Collector-Emitter Dark Current I CEO ALL (V CE = 5 V, T A = 0-70 C) 30 µa Collector-Base Dark Current (V CB = 0 V, I F = 0) I CBO ALL 20 na Capacitance (V CE = 0 V, f = MHz) C CE ALL 8 pf ** Typical values at T A = 25 C DS /3/02 3 OF 3

4 MCT2 MCT2E MCT20 MCT27 TRANSFER CHARACTERISTICS (T A = 25 C Unless otherwise specified.) DC Characteristic Test Conditions Symbol Device Min Typ** Max Unit (T A = 0-70 C) MCT20 50 (I F = 0 ma, V CE = 5 V) Output Collector Current Collector-Emitter Saturation Voltage MCT MCT MCT MCT2 CTR MCT2-M (I F = 0 ma, V CE = 0 V) MCT2E MCT2E-M % 20 MCT (I F = 3.2 ma to 32 ma, V CE = V) (T A = 0-70 C) MCT20 50 MCT2 MCT2-M (I C = 2 ma, I F = ma) MCT2E MCT2E-M MCT27 V (I C = ma, I F = 32 ma, T A = 0-70 C) MCT20 V CE (SAT) MCT2200 (I C = 2.5 ma, I F = 0 ma) MCT220 MCT2202 AC Characteristic (I F = 5 ma, V CC = 5 V, R L = 2 k ) MCT2. Saturated Turn-on Time (R B = Open) (Fig. 20) MCT2E. t from 5 V to V (I on F = 20 ma, V CC = 5 V, R L = 2 k ) MCT2.3 (R B = 00 k ) (Fig. 20) MCT2E.3 (I F = 5 ma, V CC = 5 V, R L = 2 k ) MCT2 50 Saturated Turn-off Time (R B = Open) (Fig. 20) MCT2E 50 t from SAT to 2.0 V (I off F = 20 ma, V CC = 5 V, R L = 2 k ) MCT2 20 (R B = 00 k ) (Fig. 20) MCT2E 20 µs MCT2-M Turn-on Time (I F = 0 ma, V CC = 0 V, R L = 00 ) t on 2 MCT2E-M MCT2-M Turn-off Time (I F = 0 ma, V CC = 0 V, R L = 00 ) t off MCT2E-M 2 MCT2-M Rise Time (I F = 0 ma, V CC = 0 V, R L = 00 ) t r MCT2E-M 2 MCT2-M Fall Time (I F = 0 ma, V CC = 0 V, R L = 00 ) t f MCT2E-M.5 ** Typical values at T A = 25 C 4 OF 3 /3/02 DS300234

5 MCT2 MCT2E MCT20 MCT27 TRANSFER CHARACTERISTICS (Cont.) AC Characteristic Test Conditions Symbol Device Min Typ** Max Unit Saturated turn-on time t on Saturated turn-off time (I F = ma, R L =.9k, V CC = 5 V) (Approximates a typical (Fig. 20) t off 48 TTL interface) MCT27 Saturated turn-on time t on Saturated turn-off time (I F = ma, R L = 4.7k, V CC = 5 V) (Approximates a typical (Fig. 20) t off 98 low power TTL interface) Saturated rise time (I F = ma, R L = 50, V CC = 5 V) t r Saturated fall time (Fig. 20, 2) t f Saturated propagation T PD (HL) MCT20 delay - high to low (I F = ma, R L = 2.7k ) (Fig. 20, 2) Saturated propagation T PD (LH) 50 delay - low to high µs Non-saturated turn on time (I C = 2 ma, V CC = 0 V, R L = 00 Non-saturated (Fig. 20) turn off time T ON MCT MCT220 T OFF MCT Non-saturated rise time (I C = 2 ma, V CC = 5 V, R L = 00 ) t r 2 MCT20 Non-saturated fall time (Fig. 20) t f 2 Non-saturated t on 2 7 turn-on time (I C = 2 ma, V CC = 5 V, R L = 00 ) MCT27 Non-saturated (Fig. 20) t off 2 7 turn-off time ** Typical values at T A = 25 C DS /03/02 5 OF 3

6 NORMALIZED CTR NORMALIZED CTR NORMALIZED CTR NORMALIZED CTR PHOTOTRANSISTOR OPTOCOUPLERS MCT2 MCT2E MCT20 MCT27 TYPICAL PERFORMANCE CURVES Fig. LED Forward Voltage vs. Forward Current Fig. 2 LED Forward Voltage vs. Forward Current VF - FORWARD VOLTAGE (V) T A = 55 C VF - FORWARD VOLTAGE (V) TA = 55 C. TA = 00 C. TA = 00 C I F - LED FORWARD CURRENT (ma) I F - LED FORWARD CURRENT (ma) Fig.3 Normalized CTR vs. Forward Current Fig.4 Normalized CTR vs. Forward Current.4.2 VCE = 5.0V T A = 25 C Normalized to IF = 0 ma..4 VCE = 5.0V T A = 25 C Normalized to IF = 0 ma I F - FORWARD CURRENT (ma) I F - FORWARD CURRENT (ma) Fig. 5 Normalized CTR vs. Ambient Temperature Fig. Normalized CTR vs. Ambient Temperature..4.4 IF = 5 ma.2 IF = 5 ma.2 IF = 0 ma IF = 0 ma IF = 20 ma Normalized to IF = 0 ma IF = 20 ma Normalized to IF = 0 ma T A - AMBIENT TEMPERATURE ( C) T A - AMBIENT TEMPERATURE ( C) OF 3 /3/02 DS300234

7 MCT2 MCT2E MCT20 MCT27 NORMALIZED CTR ( CTRRBE / CTRRBE(OPEN)) Fig. 7 CTR vs. RBE (Unsaturated) IF = 20 ma I F = 0 ma IF = 5 ma V CE= 5.0 V Fig. 8 CTR vs. RBE (Unsaturated) R BE- BASE RESISTANCE (kω) R BE- BASE RESISTANCE (kω) NORMALIZED CTR ( CTRRBE / CTRRBE(OPEN)) I F = 20 ma IF = 0 ma IF = 5 ma V CE= 5.0 V Fig. 9 CTR vs. RBE (Saturated) Fig. 0 CTR vs. RBE (Saturated) NORMALIZED CTR ( CTRRBE / CTRRBE(OPEN)) IF = 20 ma I F = 0 ma I F = 5 ma VCE= 0.3 V NORMALIZED CTR ( CTRRBE / CTRRBE(OPEN)) I F = 20 ma I F = 0 ma IF = 5 ma VCE= 0.3 V R BE- BASE RESISTANCE (k Ω) R BE- BASE RESISTANCE (k Ω) Fig. Collector-Emitter Saturation Voltage vs Collector Current VCE (SAT) - COLLECTOR-EMITTER SATURATION VOLTAGE (V) I F = 5 ma IF = 2.5 ma I F = 0 ma I C - COLLECTOR CURRENT (ma) I F = 20 ma VCE (SAT) - COLLECTOR-EMITTER SATURATION VOLTAGE (V) Fig. 2 Collector-Emitter Saturation Voltage vs Collector Current I F = 5 ma IF = 2.5 ma IF = 0 ma IF = 20 ma I C - COLLECTOR CURRENT (ma) DS /3/02 7 OF 3

8 SWITCHING SPEED - (µs) SWITCHING SPEED - (µs) PHOTOTRANSISTOR OPTOCOUPLERS MCT2 MCT2E MCT20 MCT27 Fig. 3 Switching Speed vs. Load Resistor Fig. 4 Switching Speed vs. Load Resistor I F = 0 ma VCC = 0 V T A = 25 C IF = 0 ma VCC = 0 V T off T f 0 Toff T f T on Ton Tr T r R-LOAD RESISTOR (kω) R-LOAD RESISTOR (kω) Fig. 5 Normalized t on vs. R BE Fig. Normalized t on vs. R BE NORMALIZED ton - (ton(r BE) / ton(open)) VCC = 0 V IC = 2 ma RL = 00 Ω NORMALIZED ton - (ton(r BE) / ton(open)) V CC = 0 V IC = 2 ma RL = 00 Ω R BE- BASE RESISTANCE (k Ω) R BE- BASE RESISTANCE (k Ω) Fig. 7 Normalized t off vs. R BE Fig. 8 Normalized t off vs. R BE NORMALIZED toff - (toff(r BE) / toff(open)) VCC = 0 V IC = 2 ma RL = 00 Ω NORMALIZED toff - (toff(r BE) / toff(open)) VCC = 0 V IC = 2 ma RL = 00 Ω R BE- BASE RESISTANCE (k Ω) R BE- BASE RESISTANCE (k Ω) 8 OF 3 /3/02 DS300234

9 I CEO - COLLECTOR -EMITTER DARK CURRENT (na) PHOTOTRANSISTOR OPTOCOUPLERS MCT2 MCT2E MCT20 MCT27 Fig. 9 Dark Current vs. Ambient Temperature VCE = 0 V T A - AMBIENT TEMPERATURE ( C) TEST CIRCUIT WAVE FORMS I F V CC = 0V I C R L INPUT PULSE INPUT R BE OUTPUT 0% 90% t r t f OUTPUT PULSE Adjust I F to produce IC = 2 ma t on t off Figure 20. Switching Time Test Circuit and Waveforms INPUT TPD HL TPD LH OUTPUT (SATURATED) 5 V.5 V.5 V Figure 2. Switching Time Waveforms (MCT20) SAT DS /3/02 9 OF 3

10 MCT2 MCT2E MCT20 MCT27 Black Package (No -M Suffix) Package Dimensions (Through Hole) Package Dimensions (Surface Mount) PIN ID (8.89) (8.38) 70 (.8) 40 (.0) 3 2 PIN ID. 70 (.8) 40 (.0) SEATING PLANE (.78) (.4) (8.89) (8.38) (.78) (.4) (7.2) TYP 00 (5.08) 0.35 (3.43) 00 (5.08) 5 (4.8) 0.0 () (0) 4 (3.90) 0.00 (2.54) () 0.0 () () MIN 0.0 (0) (0) 0 to (7.2) TYP () 0.0 () () MIN 0.00 (2.54) TYP 0.0 (0) MIN 0.35 (8.00) MIN 05 (0.30) MAX 0.00 (2.54) TYP Lead Coplanarity : (0.0) MAX Package Dimensions ( Lead Spacing) 3 2 PIN ID. Recommended Pad Layout for Surface Mount Leadform 70 (.8) 40 (.0) (.78) (.52) SEATING PLANE 00 (5.08) 0.35 (3.43) (8.89) (8.38) (.78) (.4) (0.0) MIN 5 (4) 95 (7.49) 0.00 (2.54) (0.7) 4 (3.90) 0.00 (2.54) 0.0 (0) (0) 0.00 (2.54) TYP () 0.0 () 00 () TYP 0 to 5 NOTE All dimensions are in inches (millimeters) 0 OF 3 /3/02 DS300234

11 MCT2 MCT2E MCT20 MCT27 White Package (-M Suffix) Package Dimensions (Through Hole) Package Dimensions (Surface Mount) (8.89) (8.3) (8.89) (8.3) PIN ID. PIN ID. 0 (.0) 40 (.0) 0 (.0) 40 (.0) (9.90) (8.43) (.77) (2) 0.04 (0.3) 0.00 (5) (8.3) (.77) (2) 0.04 (0.3) 0.00 (5) (8.3) 00 (5.08) (2.93) 00 (5.08) (2.93) 0.02 (0.30) (0) 0.00 (2.54) 0.05 (0.38) (0) 0.0 () 0.00 (2.54) (0.30) (3) () (0) 0.0 () 0.00 [2.54] (8) 0.00 () Package Dimensions ( Lead Spacing) (8.89) (8.3) Recommended Pad Layout for Surface Mount Leadform PIN ID. 0 (.0) 40 (.0) (.78) 0.00 (.52) (.77) (2) 00 (5.08) (2.93) 0.04 (0.3) 0.00 (5) 25 (0.79) 0.00 (2.54) (7.75) (0.7) 0.00 (2.54) 0.05 (0.38) (0) 0.0 () 0.00 [2.54] 0.02 (0.30) () 25 (0) 00 () NOTE All dimensions are in inches (millimeters) DS /3/02 OF 3

12 MCT2 MCT2E MCT20 MCT27 ORDERING INFORMATION Black Package (No Suffix) White Package (-m Suffix) Description Order Entry Idenifier.S S Surface Mount Lead Bend.SD SR2 Surface Mount; Tape and reel.w T Lead Spacing.300 V VDE W TV VDE 0884, Lead Spacing.3S SV VDE 0884, Surface Mount.3SD SR2V VDE 0884, Surface Mount, Tape & Reel QT Carrier Tape Specifications ( D Taping Orientation) (Black Package, No Suffix) 4.85 ± ± ± ± ± 0. Ø.55 ± ± ± 7.5 ± 0..0 ± ± 0 0. MAX 0.30 ± 0 Ø. ± 0. User Direction of Feed QT Carrier Tape Specifications ( D Taping Orientation) (White Package, -m Suffix) 4.5 ± MAX 4.0 ± ± ± 0.05 Ø.5 MIN.75 ± ± 0..5 ± 24.0 ± ± 0 0. MAX 0. ± 0 Ø.5 ± 0./-0 User Direction of Feed 2 OF 3 /3/02 DS300234

13 MCT2 MCT2E MCT20 MCT27 DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein:. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body,or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in labeling, can be reasonably expected to result in a significant injury of the user. 2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. DS /3/02 3 OF 3