MB3829 Fujitsu Media Devices, MB3829 Datasheet
MB3829
Related parts for MB3829
MB3829 Summary of contents
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... March 1998 Edition 1.0 MB3829 System Power Supply IC for Mobile Telephone DESCRIPTION This power supply IC incorporates channel series regulator and a battery backup function multi - function power supply IC with an output control function and momentary power - loss detection circuit, which are both required for mobile telephones ...
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... MB3829 PIN ASSIGNMENT Power Controller section OUT1 : OUT4 : VCC1 : 5 OUT2 : 6 CTL2 : 7 OUT3 : 8 CTL3 : 9 BATT1 : 10 GND2 :11 GND1 :12 2 Voltage monitoring section (TOP VIEW) (FPT - 48P - M05) Speaker Amp section GND4 32 : GND3 31 : OUTB 30 : OUTA 29 : VCC4 28 : CLK 27 : IN1 26 : IN2 ...
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... Power supply pin for momentary power - loss detection and - power - restoration section Power supply pin for sounder section - Output 3 pin (open collector) VO3 O Output 2 pin (open collector) VO2 O VO1 O Output 1 pin (open collector) - Ground pin - Ground pin Control input 3 pin (H level: VO3 operation) IN3 I MB3829 Description (Continue) 3 ...
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... MB3829 (Continued) Pin No. Pin Symbol Sounder section Speaker amplifier section CHOICE 39 40 Voltage monitoring section 41 RESET Power supply control section I/O Control input 2 pin (H level: Vo2 operation) IN2 I Control input 1 pin (H level: Vo1 operation) ...
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... BLOCK DIAGRAM - + - + - + - + - + + - - + + - MB3829 - + 5 ...
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... MB3829 Function Descriptions 1. Power supply control section (1) Reference voltage circuit The reference voltage circuit generates a temperature- compensated, stable voltage ( reference voltage is used as the power supply control section reference voltage or bias. (2) Series regulator section channel series regulator incorporating a low - saturation output transistor is used. All four channels provide an output voltage of 3 ...
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... RESET pin. Further, the detection time varies with the capacitance connected to the CTP and CTW pins. CTL2 CTL3 REG1 REG2 ´ ´ OFF (standby mode OFF OFF Battery REG3 REG4 backup OFF OFF MB3829 7 ...
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... MB3829 ABSOLUTE MAXIMUM RATINGS Parameter Power-supply voltage Common to all Power dissipation sections Storage temperature Output current Power supply control section Output current Speaker amplifier section Output current Sounder section Voltage monitoring Reset output current section *: Value as mounted on double-sided epoxy board 10 ´ NOTE: Permanent device damage may occur if the above Absolute Maximum Ratings are exceeded ...
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... When Non - INV input When INV input V — Duty = 50 Duty = 50 Duty = 50 — — — — WD MB3829 Value Unit Min. Typ. Max. 0 — — — — — mA — — 200 mA 200 — — — ...
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... MB3829 ELECTRICAL CHARACTERISTICS 1. Power supply control section Parameter Reference Reference voltage voltage section Output voltage Constant Voltage Controller (REG1) Output saturation voltage Temperature regulation of output voltage Input stability Load stability Ripple removal ratio Rise time Output voltage Constant Voltage Controller (REG2,3) ...
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... I CC1 LEAK V =3V Short - BATT1 O4 circuited to V BATT1 - OFF I V =3. =0. CT1 pin TH R OFF CT1=1.5mF, RT1=1MW ON MB3829 (V = +3.6V +25°C) CC1,2,3 A Value Unit Min. Typ. Max. 2.90 3.00 3.13 V 2.90 3.00 3.13 V — 0.05 0.1 % — — — — ...
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... MB3829 Parameter Detection voltage Instantaneous Detection/ Instantaneous detection time Power Restoration Input - on condition Section Input - off condition Input current Output leakage current Output saturation voltage Power Stand - bycurrent supply control section Power - off current Power - oncurrent Power - oncurrent Power - oncurrent Note: The Icc1 to Icc5 values for the whole power supply control section represent the sum of Vcc1 to Vcc3 pin current values except the load current ...
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... P ³ 6 mW, BP=4.7mF OFF I V =3. =0. CC1 When no signal I CC2 When no signal I CC3 - VSON - VEON MB3829 (V = +3.6V +25°C) CC1,2,3 A Value Unit Min. Typ. Max — 80 — — mW 3.8 5.5 — — — 0.5 1 — ...
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... MB3829 3. Sounder Parameter Output voltage Output leakage current Input - ON condition Input - OFF condition Input current Power - supply current at standby Power - supply current at no load 14 Symbol Condition 200 100 LEAK CC1,2 ...
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... TP 1 500 — — 2.0 — * — — * — — * 1.2V to 2.5V MB3829 = +25°C) A Unit Max. 2. 1.8 V 1.4 V 0.6 V — V 0.8 V 1.0 mA — mA — V 0.4 V 1.2 V 115 8.5 ms — ns — ms 500 ns 500 — ...
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... MB3829 TYPICAL CHARACTERISTICS CURVE Allowable dissipation vs. ambient temperature curve 1000 800 600 400 200 Ambient temperature T LQFP 60 80 100 [°C] A ...
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... VOLTAGE MONITORING SECTION TIMING CHART OUT1 V CCL CK INH CTP V H CTW RESET (1) (2) t CKW (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) MB3829 17 ...
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... MB3829 DESCRIPTION OF OPERATION (The numbers in the timing diagram correlate to the numbers (1) to (13) below.) (1) When the REG1 output voltage (OUT1) is about 0 (2) When OUT1 reaches a level higher than the detection voltage (V pacitor (C ) begins to charge. The V TP (3) When the power - on reset/hold time setup pin (C clears (RESET pin voltage changes from L level to H level) ...
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... REG SECTION RISE TIMING REQUIREMENTS VCC ON2 CTL2 CTL3 REG1 REG2 REG3 T R 90% REG4 SPEAKER AMPLIFIER SECTION RISE TIMING REQUIREMENTS VCC4=VSB CHOICE=”L” (BP=4.7mF) Speaker output = 25mW Speaker output VCC4=VSB =CHOICE Earphone output = 6mW Earphone output 90 90 (BP=4.7mF 90% MB3829 19 ...
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... MB3829 APPLICATION CIRCUIT 20 ...
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... When storing or transporting a component - mounted PC board, place conductive bag or container. Ensure that the workbenches, tools, and measuring instruments are grounded. Workers must be grounded via a series resistance of 250 MW. ORDERING INFORMATION Part number MB3829PFV BND Plastic, LQFP pin (FPT - 48P - M05) Package Remarks ...
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... MB3829 PACKAGE DIMENSIONS ± .354 .008 ± (9.00 0.20) ± .276 .004 ± (7.00 0.10 INDEX 48 LEAD No. 1 .0197 ± .0031 ± (0.50 0.08) .004(0.10) ã 1991 FUJITSU LIMITED F48013S-2C 22 48-LEAD PLASTIC FLAT PACKAGE (CASE No.: FPT-48P-M05 ”A” 12 +.003 .007 - .001 +0.08 (0. 0.03 ° 0 to10 +.008 ...
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... The information contained in this document does not convey any license under the copyrights, patent rights or trademarks claimed and owned by Fujitsu. Fujitsu reserves the right to change products or specifications without notice. No part of this publication may be copied or reproduced in any form or by any means, or transferred to any third party without prior written consent of Fujitsu. MB3829 23 ...
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... MB3829 For further information please contact: Japan FUJITSU LIMITED Corparate Grobal Business Support Div., Electronic Devices Kamikodanaka, Nakahara- ku, Kawasaki- shi, Kanagawa - ken 211 - 8588, Japan Tel: (044) 754 - 3763 FAX: (044) 754 - 3329 North and South America FUJITSU MICROELECTRONICS, INC. ...