HT74XX HOLTEK | Alldatasheet
Document overview
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Technical content
Features
/c183Low power consumption /c183Low voltage drop /c183Low temperature coefficient /c183High input voltage (up to /c4524V) /c183High output current : 100mA (Pd /c163250mW) /c183TO-92 and SOT-89 package
Applications
/c183Battery-powered equipment /c183Communication equipment /c183Audio/Video equipment General Description The HT74XX series is a set of three-terminal high current high voltage regulator imple - mented in CMOS technology. They can deliver 100mA output current and allow an input volt- age as high as /c4524V. They are available with several fixed output voltages ranging from /c452.4V to /c4515V. CMOS technology ensures low voltage drop and low quiescent current. Although designed primarily as fixed voltage regulators, these devices can be used with ex - ternal components to obtain variable voltages and currents.
Block Diagram Pin Assignment Pad Assignment Pad Coordinates Unit: /c109m Pad No. X Y 1 /c45571.75 /c45578.00 2 175.75 /c45545.50 3 592.25 /c45545.50 Chip size: 1550 /c1801562 (/c109m)2 * The IC substrate should be connected to VDD in the PCB layout artwork. Absolute Maximum Ratings Note: These are stress ratings only. Stresses exceeding the range specified under /c178Absolute Maxi- mum Ratings/c178may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged expo- sure to extreme conditions may affect device reliability. HT74XX
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/G31 /G32 /G33 /G28/G30 /G2C /G30 /G29 /G56/G4F /G55 /G54 /G56/G49 /G4E /G47/G4E /G44
Electrical Characteristics
HT7430, /c453.0V output type Ta=25/c176C Symbol Parameter Test Conditions Min. Typ. Max. Unit VIN Conditions VOUT Output Voltage Tolerance /c455V IOUT=10mA /c452.85 /c453.0 /c453.15 V IOUT Output Current /c455V /c190 60 100 /c190 mA /c68VOUT Load Regulation /c455V 1mA /c163IOUT/c16350mA /c190 60 120 mV VDIF Voltage Drop /c190IOUT=1mA /c190100 /c190 mV ISS Current Consumption /c455V No load /c190200 350 /c109A /c68 /c68 V VV OUT IN OUT/c180 Line Regulation /c190/c454V/c163VIN/c163/c4512V IOUT=1mA /c190 0.2 /c190 %/V VIN Input Voltage /c190/c190 /c190 /c190 /c45 24 V /c68 /c68 V T OUT a Temperature Coefficient /c455V IOUT=10mA 0/c176C<Ta<70/c176C /c190/c1770.45 /c190mV//c176C HT7450, /c455.0V output type Ta=25/c176C Symbol Parameter Test Conditions Min. Typ. Max. Unit VIN Conditions VOUT Output Voltage /c457V IOUT=10mA /c454.75 /c455.0 /c455.25 V IOUT Output Current /c457V /c190 100 150 /c190 mA /c68VOUT Load Regulation /c457V 1mA /c163IOUT/c16330mA /c190 60 150 mV VDIF Voltage Drop /c190IOUT=1mA /c190100 /c190 mV ISS Current Consumption /c457V No load /c190330 500 /c109A /c68 /c68 V VV OUT IN OUT/c180 Line Regulation /c190/c456V/c163VIN/c163/c4515V IOUT=1mA /c190 0.2 /c190 %/V VIN Input Voltage /c190/c190 /c190 /c190 /c45 24 V /c68 /c68 V T OUT a Temperature Coefficient /c457V IOUT=10mA 0/c176C<Ta<70/c176C /c190/c1770.75 /c190mV//c176C HT74XX
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High output current positive voltage regulator Short-Circuit protection by Tr1 HT74XX
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/G43 /G6F /G6D/G6D/G6F /G6E /G43 /G6F /G6D/G6D/G6F /G6E /G53 /G69 /G6E/G67/G6C /G65 /G20 /G70 /G6F/G69 /G6E/G74 /G20 /G47 /G4E /G44 /G47/G4E /G44 /G54/G72 /G31 /G52/G31 /G48/G54 /G37 /G34 /G58 /G58 /G53/G65 /G72 /G69 /G65 /G73 /G43/G32 /G31/G30 /G6D /G46 /G43/G31 /G31/G30 /G6D /G46 /G56 /G49/G4E /G56 /G4F/G55 /G54 /G56 /G4F/G55 /G54 /G56 /G49/G4E /G48/G54 /G37 /G34 /G58 /G58 /G53/G65 /G72 /G69 /G65 /G73 /G43/G32 /G31/G30 /G6D /G46 /G43 /G6F /G6D/G6D/G6F /G6E /G43 /G6F /G6D/G6D/G6F /G6E /G53 /G69 /G6E /G67 /G6C /G65/G20 /G70/G6F /G69 /G6E /G74 /G20 /G47 /G4E /G44 /G47/G4E /G44 /G56 /G4F/G55 /G54 /G56 /G49/G4E /G56 /G49/G4E /G56 /G4F/G55 /G54 /G43/G31 /G31/G30 /G6D /G46 /G43 /G6F /G6D/G6D/G6F /G6E /G43 /G6F /G6D/G6D/G6F /G6E /G53 /G69 /G6E/G67/G6C /G65 /G20 /G70 /G6F/G69 /G6E/G74 /G20 /G47 /G4E /G44 /G47/G4E /G44 /G54/G72 /G31 /G52/G73 /G52/G31 /G20 /G48/G54 /G37 /G34 /G58 /G58 /G53/G65 /G72 /G69 /G65 /G73 /G43/G31 /G31/G30 /G6D /G46 /G56 /G4F/G55 /G54 /G56 /G49/G4E /G43/G32 /G31/G30 /G6D /G46 /G56 /G4F/G55 /G54 /G56 /G49/G4E
Circuit for increasing output voltage V= V ( 1 + R2 R1 )+I R 2OUT XX SS Circuit for increasing output voltage V= V + VOUT XX D1 Constant current regulator I= V R +IOUT XX A SS HT74XX
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/G43 /G6F /G6D/G6D/G6F /G6E /G43 /G6F /G6D/G6D/G6F /G6E /G53 /G69 /G6E/G67 /G6C /G65 /G20 /G70 /G6F/G69 /G6E/G74 /G20 /G47 /G4E /G44 /G47/G4E /G44 /G44/G31 /G52/G31 /G48/G54 /G37 /G34 /G58 /G58 /G53/G65 /G72 /G69 /G65 /G73 /G43/G32 /G31/G30 /G6D /G46 /G56 /G49/G4E /G56 /G4F/G55 /G54 /G56 /G4F/G55 /G54 /G56 /G49/G4E /G56 /G58/G58 /G49 /G53/G53 /G43/G31 /G31/G30 /G6D /G46 /G43 /G6F /G6D/G6D/G6F /G6E /G43 /G6F /G6D/G6D/G6F /G6E /G53 /G69 /G6E/G67/G6C /G65 /G20 /G70 /G6F/G69 /G6E/G74 /G20 /G47 /G4E /G44 /G47/G4E /G44 /G52/G31 /G52/G32 /G48/G54 /G37 /G34 /G58 /G58 /G53/G65 /G72 /G69 /G65 /G73 /G43/G31 /G31/G30 /G6D /G46 /G56 /G49/G4E /G56 /G58/G58 /G56 /G4F/G55 /G54 /G56 /G4F/G55 /G54 /G49 /G53/G53 /G56 /G49/G4E /G43/G32 /G31/G30 /G6D /G46 /G43 /G6F /G6D/G6D/G6F /G6E /G47/G4E /G44 /G48/G54 /G37 /G34 /G58 /G58 /G53/G65 /G72 /G69 /G65 /G73 /G43/G31 /G31/G30 /G6D /G46 /G43/G32 /G31/G30 /G6D /G46 /G49 /G53/G53 /G56 /G49/G4E /G56 /G49/G4E /G56 /G4F/G55 /G54 /G56 /G58/G58 /G49 /G4F/G55 /G54 /G52 /G41 /G52 /G4C
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/G47/G4E /G44 /G49/G43 /G31 /G47/G4E /G44 /G49/G43 /G32 /G43 /G6F /G6D/G6D/G6F /G6E /G43 /G6F /G6D/G6D/G6F /G6E /G52/G31 /G48/G54 /G37 /G34 /G58 /G58 /G53/G65 /G72 /G69 /G65 /G73 /G48/G54 /G37 /G34 /G58 /G58 /G53/G65 /G72 /G69 /G65 /G73 /G43/G32 /G31/G30 /G6D /G46 /G56 /G49/G4E /G56 /G4F/G55 /G54 /G56 /G4F/G55 /G54 /G56 /G49/G4E /G43/G33 /G31/G30 /G6D /G46 /G56 /G4F/G55 /G54 /G56 /G4F/G55 /G54 /G56 /G49/G4E /G43/G31 /G31/G30 /G6D /G46
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Copyright /c2272000 by HOLTEK SEMICONDUCTOR INC. The information appearing in this Data Sheet is believed to be accurate at the time of publication. However, Holtek assumes no responsibility arising from the use of the specifications described. The applications mentioned herein are used solely for the purpose of illustration and Holtek makes no warranty or representation that such applications will be suitable without further modification, nor recommends the use of its products for application that may pres- ent a risk to human life due to malfunction or otherwise. Holtek reserves the right to alter its products without prior Holtek Semiconductor Inc. (Headquarters) Tel: 886-3-563-1999 Fax: 886-3-563-1189 Holtek Semiconductor Inc. (Taipei Office) Tel: 886-2-2782-9635 Fax: 886-2-2782-9636 Fax: 886-2-2782-7128 (International sales hotline) Holtek Semiconductor (Hong Kong) Ltd. RM.711, Tower 2, Cheung Sha Wan Plaza, 833 Cheung Sha Wan Rd., Kowloon, Hong Kong Tel: 852-2-745-8288 Fax: 852-2-742-8657