 |
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
| Datasheet File OCR Text: |
| NTE1844 Integrated Circuit Motor Speed Regulator Description: The NTE1844 is a monolithic integrated circuit intended for speed regulation of DC motors in record players, tape, and cassette recorders, conveniently packaged in a 4-Lead SIP type plastic package. Features: D High Output/Low Quiescent Currents D Low Reference Voltage D Excellent Stability versus Temperature, Parameters D Excellent Characteristics even at Low Supply Voltages Absolute Maximum Ratings: (TA = +25C) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V Circuit Current (t 5sec), IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2A Package Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2W Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20 to +75C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 to +150C Recommended Operating Condition: Supply Voltage Range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5V to 16V Electrical Characteristics: (TA = +25C, VCC = 12V, Pulse Test PW 10ms, Duty Cycle 2% unless otherwise specified) Parameter Reference Voltage Quiescent Current Reflection Coefficient Saturation Voltage Symbol Vref Id k V4(sat) k /VCC k Test Conditions I4 = 10mA RM = 180 RM1 = 44, RM2 = 33 VCC = 4.2V, RM = 4.4 I4 = 100mA, VCC = 6.3V to 16V Min 1.10 0.5 18 - - Typ 1.27 0.8 20 1.5 0.4 Max 1.40 1.2 22 2.0 - V %/V Unit V mA Electrical Characteristics (Cont'd): (TA = +25C, VCC = 12V, Pulse Test PW 10ms, Duty Cycle 2% unless otherwise specified) Parameter Line Regulation Symbol Vref /VCC Vref k /IM k Load Regulation Vref /IM Vref k /TA k Temperature Coefficient Vref /TA Vref Test Conditions I4 = 100mA, VCC = 6.3V to 16V I4 = 30mA to 200mA I4 = 30mA to 200mA I4 = 100mA, TA = -20 to +75C I4 = 100mA, TA = -20 to +75C Min - - - - - Typ 0.06 Max - - - - - Unit %/V %/m A %/m A %/C %/C -0.02 -0.02 0.01 0.01 Note 1. RM = k = internal motor resistance I4/I2 where: I2 and I4 are currents flowing from VCC thru external resistors or internal motor resistance to Pin2 (I2) and Pin4 (I4). Pin Connection Diagram (Front View) 4 3 2 1 Motor GND RT VCC .334 (8.5) .125 (3.2) Dia .110 (2.8) .472 (12.0) .570 Max (14.4) Max 1 4 .413 (10.3) Min .078 (2.0) |
Price & Availability of NTE1844
 |
|
|
|
|
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] |