RT9H301C

RT9H301C ISAHAYA | Alldatasheet

Document overview

• Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
• PDF pages: 6

Technical content

<Linear IC> RT9H301C/P/S Adjustable Precision Shunt Regulator 111027

DESCRIPTION

The RT9H301C/P/S is adjustable shunt regulator, which provides a highly accurate 1.0%. Output voltage can be set to any value between VREF and 36V with two external resistors. FEATURE

• Reference voltage: VREF=2.495V±1%(Ta=25℃)
• Adjustable output voltage: VREF to 36V
• Low output impedance: |ZKA|=0.2Ω(Typ.)
• Small package: SC-59,SC-62(SOT-89) APPLICATION
• Source of reference voltage, such as a general electric device
• Secondary side control of a switching power supply PIN CONFIGURATION ［UNIT：mm］ RT9H301C RT9H301P 0.16 0～0.1 0.8 1.1 0.4 0.51.50.5 2.5 0.950.95 1.90 2.9 ② ③ 4.4 1.6 0.4 3.0 2.4 1.0 0.4 1.5 3.9 0.5 1.5 Outline : SC-59 ①Reference voltage(VREF) ②Cathode(K) ③Anode(A) Outline : SC-62(SOT-89) ①Reference voltage(VREF) ②Anode(A) ③Cathode(K) RT9H301S 1.01.0 3.013.0MIN 14.0 2.5 2.5 7.5MAX 0.45 0.1 4.0 2.5 0.4 ①②③ Outline : TO-92S ①Cathode(K) ②Anode(A) ③Reference voltage(VREF)

<Linear IC> RT9H301C/P/S Adjustable Precision Shunt Regulator 111027 EQUIVALENT SCHEMATIC K VREF A ABSOLUTE MAXIMUM RATINGS ( Ta=25℃, unless otherwise noted ) Symbol Parameter Ratings Unit VKA Cathode voltage 37 V IK Cathode current -100～100 mA IREF Reference input current -0.05～10 mA TJOPT Operating junction temperature ( Non condensing ) -40～+150 ℃ TSTG Storage temperature -55～+150 ℃ SC-59 200 mW SC-62(SOT-89) 500 mW Pd Power dissipation TO-92S 600 mW RECOMMENDED OPERATING CONDITIONS ( Ta=25℃, unless otherwise noted ) Limits Symbol Parameter Min. Max. Unit VKA Cathode voltage V REF 36 V ＩK Cathode current 1.0 100 mA

<Linear IC> RT9H301C/P/S Adjustable Precision Shunt Regulator 111027 ELECTRICAL CHARACTERISTICS ( Ta=25℃, unless otherwise noted ) Limits Symbol Parameter Test condition Min. Typ. Max. Unit VREF Reference voltage VKA=VREF，IK=10mA 2.470 2.495 2.520 V ⊿ＶＲＥＦ/⊿Ｔａ Deviation of reference input voltage over temperature VKA=VREF，IK=10mA，Ta=-20～85℃ - - 30 mV ⊿VKA=VREF～10V，IK=10mA -2.7 -1.4 - mV/V ⊿ＶＲＥＦ/⊿VK Ratio of VREF change in cathode voltage change ⊿VKA=10V～36V，IK=10mA -2 -1 - mV/V IREF Reference input current IK=10mA,R1=10K，R2=∞ - - 4 uA ⊿ＩＲＥＦ/⊿Ta Deviation of reference input current over temperature IK=10mA,R1=10K，R2=∞, Ta=-20～85℃ - - 2.5 uA Ikmin Minimum cathode current for regulation VKA=VREF - 0.3 0.6 mA IOFF Off-state cathode current VKA=36V，VREF=0V - 0.1 1.0 uA |ZKA| Dynamic impedance VKA=VREF,IK=1～100mA，f<1.0KHz - 0.2 0.5 Ω PARAMETER MEASUREMENT INFORMATION (1)VKA=VREF VIN VO=VKA VRE A K (2)VKA＞VREF IRE VREF VO=VKAVIN A K VO=(1+R1/R2)・VREF (3)IOFF VIN VO=VKA VREF K A

<Linear IC> RT9H301C/P/S Adjustable Precision Shunt Regulator 111027 <TYPICAL CHARACTERISTICS> Pd-Ta 100 200 300 400 500 600 700 0 25 50 75 100 125 150 Junction temperature Ta ( ℃) Power dissipation Pd[mW] RT9H301C RT9H301P RT9H301S VREF-Tj 2.40 2.42 2.44 2.46 2.48 2.50 2.52 2.54 2.56 2.58 2.60 -50 -25 0 25 50 75 100 125 150 Junction temperature Tj ( ℃) Reference voltage VREF (V) IK=10ｍA IK=100 ｍA IK=1ｍA IK-VKA （1） 0.0 0.2 0.4 0.6 0.8 1.0 1.2 0123 Cathode voltage V KA (V ) Cathode current IK (mA) IK-VKA （2） -100 -50 100 150 -2 -1 0 1 2 3 Cathode voltage V KA (V ) Cathode current IK (mA) ⊿VREF-VKA -50 -45 -40 -35 -30 -25 -20 -15 -10 0 5 10 15 20 25 30 35 40 Cathode voltage V KA (V ) Deviation of reference input voltage ⊿VREF(mV) IREF-Tj 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 -50 -25 0 25 50 75 100 125 150 Junction temperature Tj ( ℃) Reference input current IREF(uA)

<Linear IC> RT9H301C/P/S Adjustable Precision Shunt Regulator 111027 IOFF-Tj 1.0E-11 1.0E-10 1.0E-09 1.0E-08 1.0E-07 1.0E-06 1.0E-05 -50 -25 0 25 50 75 100 125 150 Junction temperature Tj ( ℃) Off-state cat hode current IOFF (uA) |ZKA|-f 0.01 0.1 100 Frequency f (Hz) Dynamic impedance |ZKA| (Ω) Pulse response 01234567 Ti me t (u s ) Input and output voltage VIN,VOUT (V) Input V oltage Output Voltage Av-f -20 Frequency f (Hz) Open loop voltage gain Av (dB) Stability boundary conditions 100 0.001 0.01 0.1 1 10 Load capacitance CL (uF) Cathode current IK (mA) a ab b c d Instability Stability Stability a:VKA=VREF b:VKA=5V c:VKA=10V d:VKA=15V Cathode voltage temperature Ta=25 IKA=10mA CL=:Ceramic capacitor

6 -41 Tsukuba, Isahaya, Nagasaki, 854-0065 Japan Keep safety first in your circuit designs!

• ISAHAYA Electronics Corporation puts the maximum effort into making semiconductor products better and more reliable, but there is always the possibility th at trouble may occur with them. Trouble with semiconductors may lead to personal injury, fire or property damage. Remember to give due consideration to safety when making your circuit designs, with appropriate measures such as ( 1) placement of substitutive, auxiliary, (2) use of non-farmable material or ( 3) prevention against any malfunction or mishap. Notes regarding these materials
• These materials are intended as a reference to our customers in the selection of the ISAH AYA products best suited to the customer’s application; they don't convey any license under any intellectual prop erty rights, or any other rights, belonging ISAHAYA or third party.
• ISAHAYA Electronics Corporation assumes no responsibility for any damage, or infringement of any third party's rights , originating in the use of any product data, diagrams, charts or circuit application examples contained in these materials.
• All information contained in these materials, including product data, diagrams and charts, represent information on products at the time of publication of these materials, a nd are subject to change by ISAHAYA Electronics Corporation without notice due to product improvements or other reasons. It is therefore recommended that customers contact ISAHAYA Electronics Corporation or an authorized ISAHAYA products distributor for the latest product information before purchasing product listed herein.
• ISAHAYA Electronics Corporation products are not designed or manufactured for use in a device or system that is used under circumstances in which human lif e is potentially at stake. Please contact ISAHAYA electronics corporation or an authorized ISAHAYA products distributor when considering the use of a product contained herein for any specific purposes, such as apparatus or systems for transpor tation, vehicular, medical, aerospace, nuclear, or undersea repeater use.
• The prior written approval of ISAHAYA Electronics Corporation is necessary to reprint or reproduce in whole or in part these materials.
• If these products or technolo gies are subject to the Japanese export control restrictions, they must be exported under a license from the Japanese government and cannot be imported into a country other than the approved destination. Any diversion or re -export contrary to t he export control laws and regulations of Japan and/or the country of destination is prohibited.
• Please contact ISAHAYA Electronics Corporation or authorized ISAHAYA products distributor for further details on these materials or the products contained therein. Aug.2011