UPC1470H NEC | Alldatasheet
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BIPOLAR ANALOG INTEGRATED CIRCUIT / uPC1470H T-77-21 MOTOR SPEED REGULATORS
DESCRIPTION
‘The uPC1470H is a monolithic integrated circuit intended as speed regulators for DC motors of record players, tape and cassette recorders etc. The devices is packaged in a new developed 4-lead quase-TO-126 plastic case.
FEATURES
‘@ Excellent versatility in use. © High Output current. ® Low Quiescent current. © Low Reference voltage. @ Excellent parameters stability versus temperature. © Excellent characteristic at low supply voltage. BLOCK DIAGRAM PACKAGE DIMENSIONS (Unit: mm) 8.5 MAX. 4g 3991 20, vee fr wore a4 o_o t is = 5 tio 0,55°0.9) ea) te Has wax Ta a oss asa
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ABSOLUTE MAXIMUM RATINGS (Ta = 25°C) — ‘Supply Voltage Veo 18 v 7 77 wis Circuit Current tg 2 A Package Dissipation Po 1.2 Ww Operating Temperature Topt -20t0+75 °C Storage Temperature Tag -40 to +150 °C RECOMMENDED OPERATING CONDITION Supply Voltage Range Veo 3.51016 VV ELECTRICAL CHARACTERISTICS (Ta = 25 °C, Vec= 12 V) | eranacrenisric [-svameor [wn [ 7¥e | TEST CONDITIONS | Reference Voltage Veet _ ig=10ma Fig t | auiexene avon | ts oi a ‘Saturation Voltage Va tet) [1s _| V_ [Veo =42V. Ag =4.40 Fig 3 Sk avec 04 NV | Ig 100mA, Vec=63~16V Fin? Line Renuston Westy avec 0.08 U4 100mA, Veg=83=1V Fin ed re Tempe Cntcens | iia | | om | | wr0 [yrtomatent0-v5re Fat * Te PH 10s Duty Cvcles 2% TEST CIRCUIT Fig.1 Fig. 2 Veet AVret Ak Ok (eer ist Jats « avec, fate AVret bk /s Veet fore «fat ove ove tol Or Ol © Tsu I o,/".e i 7 6 q Run Rue 7 7 a ket sw@)~- ta (sw) Iz (SWQ@)— Ip (SWO) ass
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Fig. 3 fig. 4 T-7721 (Vai ) a) ovee ovee é B © | gene
APPLICATION INFORMATION
oO @--0---5 i | i | j | I | [Gd {BASIC EQUATION FOR THE MOTOR] - i + Met to {: Mar la ag ve om . Vee Ex Vier + Rey (gia tig + ME) fod B= Veet +B {tin + ith + ig + Se P B= Vier {1+ BEC + If + tig + AE iy ' They also give: Em = Eo +Rmim {« =Ver {1+ BE 0+] + Prin ( Fog Internal esance tthe Motor) R 1c" Reflection Coatficient (= '4/iq) Rime ca 456
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vee _ 4 wn ° w Veo" 12V | Pin eee to 1 The meter nb yh il etre, Moe Re me > Kf i ty he mtr may os 437