MC33470DW ON Semiconductor, MC33470DW Datasheet
MC33470DW
Specifications of MC33470DW
Available stocks
Related parts for MC33470DW
MC33470DW Summary of contents
Page 1
... Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. © Semiconductor Components Industries, LLC, 2006 August, 2006 − Rev. 4 http://onsemi.com 1 MARKING DIAGRAM 20 MC33470DW AWLYYWWG Assembly Location WL = Wafer Lot YY = Year WW = Work Week G = Pb− ...
Page 2
VID0 17 VID1 Voltage Identification 16 VID2 Code Input 15 VID3 14 VID4 Sense Power Good A 4 GND MAXIMUM RATINGS (T = 25°C, unless otherwise noted.) C Rating ...
Page 3
ELECTRICAL CHARACTERISTICS min/max values T is the operating ambient temperature range that applies, unless otherwise noted.) A Characteristic OSCILLATOR Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Frequency ...
Page 4
ELECTRICAL CHARACTERISTICS for min/max values T is the operating ambient temperature range that applies, unless otherwise noted.) A Characteristic OVERTEMPERTURE OUTPUT Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á ...
Page 5
Figure 14 Circuit 200 nS/DIV Figure 2. Output Drive Waveform transient = 0 Figure 14 Circuit 2.5 mS/DIV Figure ...
Page 6
Gain CCP 100 18.2 k C16 = 25° Figure 14 1.0 1.0 10 100 FREQUENCY (kHz) Figure 8. ...
Page 7
MC33470 Figure 14. MC33470 Application Circuit http://onsemi.com 7 ...
Page 8
V 5.0 V Internal V ref 2.5 V 1.5 V Compensation G1 G2 The MC33470 is a monolithic, fixed frequency power switching regulator specifically designed for dc−to−dc converter applications which provide a precise supply voltage for state of the ...
Page 9
External loop compensation is required for converter stability. Compensation components may be connected from the compensation pin to ground. The error amplifier input is tied to the sense pin which also has an internal 20 mA current source to ground. ...
Page 10
Design Example Given the following requirements, design a switching dc−to−dc converter 5 CCP = 10111 − Output Voltage = 2.8 V VID4−0 bits = 0 Output current Efficiency ...
Page 11
PIN FUNCTION DESCRIPTION Pin Name 1 G2 This is a high current dual totem pole output Gate Drive for the Lower, or rectifier, N−channel MOSFET. Its output swings from ground have reached proper levels. VCC Á Á ...
Page 12
VID4 VID3 Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á ...
Page 13
... Device Operating Temperature Range MC33470DW MC33470DWG MC33470DWR2 MC33470DWR2G †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. MC33470 Table 2. Connector Pin Function Á Á Á Á Á Á Á Á ...
Page 14
MC33470 C1 R10 C12 C11 C10 Figure 18. PC Board Top View C6 R2 C13 C17 Figure 19. PC Board Bottom View http://onsemi.com ...
Page 15
... Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303−675−2175 or 800−344−3860 Toll Free USA/Canada Fax: 303− ...