Instruction/ maintenance manual of the product RC4194 Fairchild
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www .fairc hildsemi.com Features • Simultaneously adjustable outputs with one resistor to ± 42V • Load current – ± 200 mA with 0.04% load regulation Description The RC/RM4194 are dual polarity tracking regulators designed to provide balanced or unbalanced positi ve and negati ve output v oltages at currents to 200 mA.
PRODUCT SPECIFICATION RC4194 2 Absolute Maxim um Ratings (bey ond which the device ma y be damaged) 1 Note: 1. Functional operation under any of these conditions is NOT implied.
RC4194 PRODUCT SPECIFICATION 3 Operating Conditions Electrical Characteristics ( ± 5 £ V OUT £ V MAX ; – V IN £ -8V ; I L = ± 1mA; RM4194: -55 ° C £ T j £ +125 ° C; RC4194: 0 ° C £ T j £ +70 ° C unless otherwise specified) Notes: 1. Measured as (mA) 2.
PRODUCT SPECIFICATION RC4194 4 T ypical Perf ormance Characteristics Figure 1. Ripple Rejection vs. Frequency Figure 2. Load Regulation vs. Load Current Figure 3. Output Voltage Tracking vs. Temperature 65-0201 Ripple Rejection (dB) F (Hz) 150 130 110 90 70 50 30 10 0 100 1K 10K 100K V OUT = ± 15V 65-0202 T j = +125 ¡ C T j = +25 ¡ C 0.
RC4194 PRODUCT SPECIFICATION 5 T ypical Applications Figure 4. Unbalanced Output Voltage — Comparator Application Figure 5. High Output Application 0.01 µ F S -V S +V S +V -V S 71.5K 0.01 µ F R SET Comp- Gnd RM4194 Comp+ R -V Bal +V OUT OUT 0 0 R A R B R 4.
PRODUCT SPECIFICATION RC4194 6 T ypical Applications (continued) Figure 6. Balanced Output Voltage — Op Amp Application Figure 7. Digitally Controlled Dual 200 mA Voltage Regulator 0.001 µ F S -V S +V S +V -V S 71.5K 0.001 µ F R SET Comp- Gnd 4194 Comp+ R -V +V OUT OUT 0 0 R 4.
RC4194 PRODUCT SPECIFICATION 7 RC4194 Switchab le P ower Suppl y The outputs of the RC4194 can be simultaneously switched on or off under logic control as sho wn in Figure 8. In the “off” state, the outputs will be forced to a minimum v oltage, or about ± 20 mV , rather than becoming open-circuit.
PRODUCT SPECIFICATION RC4194 8 Figure 9. RC4194 Recommended Compensation 4194 0.001 µ F Comp+ R 0 Comp- R 0 R SET R SET 0.01 µ F 0.01 µ F 0.001 µ F 4.
RC4194 PRODUCT SPECIFICATION 9 If a small signal silicon diode is used, it will clamp the nega- tiv e output voltage at about +0.55V . A Schottky barrier or germanium device w ould clamp the voltage at about +0.
PRODUCT SPECIFICATION RC4194 10 T able 1. Commercial Heatsink Selection Guide No attempt has been made to provide a complete list of all heatsink manuf acturers. This list is only representative . Staver Co., Inc.: 41-51 N Saxon Ave., Bay Shore, NY 11706 IERC: 135 W Magnolia Blvd.
RC4194 PRODUCT SPECIFICATION 11 Simplified Schematic Dia gram 65-0198 Q28 Q30 Q29 Q33 Q34 Q37 Q36 Q35 Q38 Comp+ (7) R18 10K R4 500 R5 25K Q47 Q16 Q13 Q11 Q10 Q9 Q12 C1 10 pF R6 30K Q8 Q2 Q4 Q3 Q1 R1 .
PRODUCT SPECIFICATION RC4194 12 Mechanical Dimensions 9-Lead Metal Can IC Header P ackage S r2 øb øp F øD1 øD A q r1 e e1 Notes: 1. All leads—increase maximum limit by .003 (.08mm) when lead finish is applied. A .250 .340 6.35 8.64 Symbol Inches Min.
RC4194 PRODUCT SPECIFICATION 13 Mechanical Dimensions (contin ued) 14-Lead Ceramic DIP P ackage A — .200 — 5.08 Symbol Inches Min. Max. Min. Max. Millimeters Notes b1 .014 .023 .36 .58 .065 1.65 b2 .045 1.14 c1 .008 .015 .20 .38 E .220 .310 5.59 7.
PRODUCT SPECIFICATION RC4194 14 Mechanical Dimensions (contin ued) 14-Lead Plastic DIP P ackage D B1 e B E1 A1 A L 7 8 14 1 E eB C D1 A — .210 — 5.33 Symbol Inches Min. Max. Min. Max. Millimeters Notes A1 .015 — .38 — .022 .56 B .014 .36 .195 4.
PRODUCT SPECIFICATION RC4194 5/20/98 0.0m 001 Stock#DS30004194 Ó 1998 Fairchild Semiconductor Corporation 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.
An important point after buying a device Fairchild RC4194 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Fairchild RC4194 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Fairchild RC4194 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Fairchild RC4194 you will learn all the available features of the product, as well as information on its operation. The information that you get Fairchild RC4194 will certainly help you make a decision on the purchase.
If you already are a holder of Fairchild RC4194, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Fairchild RC4194.
However, one of the most important roles played by the user manual is to help in solving problems with Fairchild RC4194. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Fairchild RC4194 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
