|
If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
Datasheet File OCR Text: |
www.fairchildsemi.com KA33V Voltage Stabilizer Features * Low Temperature Coefficient * Low Dynamic Resistance * Typical Reference Voltage of 33V Description The KA33V is a monolithic integrated voltage stabilizer especially designed as voltage supplier for electronic tuners. TO-92 1 1. Anode 2. Cathode Schematic Diagram 2 C a th o d e R4 D1 D2 D3 D4 D5 Q3 R3 Q2 R2 R1 1 Anode Rev. 1.0.1 (c)2001 Fairchild Semiconductor Corporation KA33V Absolute Maximum Ratings (TA= 25C) Parameter Zener Current Power Dissipation (TA = 75C) Operating Ambient Temperature Range Storage Temperature Range Symbol IZ PD TOPR TSTG Value 10 200 -20 ~ 75 -40 ~ 125 Unit mA mW C C Electrical Characteristics (TA = 25C) Parameter Stabilized Voltage Stabilized Voltage-Temperature Drift Dynamic Resistance Symbol VZ VZ/T RZ Conditions IZ = 5mA IZ = 5mA TA = -20 to 75C IZ = 5mA, f = 1KHz Min. 31 -1 0 10 Typ. Max. 35 1 25 Unit V mV/C - 2 KA33V Measuring Circuits IZ = 5mA A RB 2 KA33V EB 1 v Volt Meter Figure 1. Measuring Circuit for Stabilized Voltage VZ Iz A + 50 F IAC = Iz 10 100 RB 2 VV2 C 0.1 F KA33V VV1 ~ f = 1KHz EB 1 Fig. 3 IZ Vz rZ = VV1 1 0.5mA 0 5mA 0.5mA 5mA W1 Figure 2. Measuring Circuit for Dynamic Resistance 3 KA33V Typical Application Ach Bch Ych Zch Ri 2 C C hannel s e ttin g v a r ia b l e r e s is t o r 15K 15K 15K KA33V Vi 1 c c t o t u n in g d io d e s ( v a r a c t o r ) in c a s e o f Y c h o n 1) UHF Tuner TR1 D5 A n te n n a TR2 D1 D2 D3 D4 TR 1 : R F A M P : K SC 1393 K S C 1 0 7 0 ( U n d e r d e v e lo p m e n t) TR 2 : O SC : S KC 1730 D 1 - D 4 : 1 S 2 2 0 D 5 : M IX E R : 1 S S 1 6 AFC te r m in a l 2) VHF Tuner TR 1 TR 3 TR 1 : R M AM P : KSC 1393 T R 2 : M IX E R TR3 : OSC : K S C 1 39 4 : KSC 1730 L o w /H ig h C h a n n e l S w itc h in g te rm in a l. A F C te rm in a l D 1, D 4 : 1S 2209 D 2, D 3 : 1S 2207 A n te n n a D1 D2 D3 D4 TR 2 4 KA33V Power-temperature Derating Durve Typical Characteristic Curves (TA = 25C) Figure7. Allowable Dissipation vs. Amblent Temperature Figure8. Dynamic Resistance vs. Zener Current Figure9. Stabilized Voltage Temperature Drift vs. Zener Current Figure10. Stabilized Voliage Variation vs. Time Figure11. Stabilized Voltage Variation & Supply Voltage Variation vs. Zener Current 5 KA33V Mechanical Dimensions Package Dimensions in millimeters TO-92 6 KA33V Ordering Information Product Number KA33V Package TO-92 Operating Temperature 7 KA33V 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: 1. 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 the labeling, can be reasonably expected to result in a significant injury of the user. www.fairchildsemi.com 9/25/01 0.0m 001 Stock#DSxxxxxxxx 2001 Fairchild Semiconductor Corporation 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. |
Price & Availability of KA33V |
|
|
All Rights Reserved © IC-ON-LINE 2003 - 2022 |
[Add Bookmark] [Contact Us] [Link exchange] [Privacy policy] |
Mirror Sites : [www.datasheet.hk]
[www.maxim4u.com] [www.ic-on-line.cn]
[www.ic-on-line.com] [www.ic-on-line.net]
[www.alldatasheet.com.cn]
[www.gdcy.com]
[www.gdcy.net] |