mb3843pfv Fujitsu Microelectronics, Inc., mb3843pfv Datasheet
mb3843pfv
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mb3843pfv Summary of contents
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FUJITSU SEMICONDUCTOR DATA SHEET ASSP For Power Management Applications (Secondary battery) Lithium Ion Battery Charger DC/DC Converter IC (High Precision with Constant-current Function) MB3813A/MB3833A/MB3843 DESCRIPTION The FUJITSU MB3813A/33A/43 are pulse width modulation (PWM) DC/DC converter ICs with independent output voltage ...
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MB3813A/MB3833A/MB3843 (Continued) • High precision reference voltage source : 2.5 V • High frequency operating capability : Max 500 kHz • On-chip current detector amplifier with wide in-phase input voltage range : • On-chip standby function ...
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PIN ASSIGNMENT Vin1 1 IN1 2 IN2 3 IN2 4 IN1 CTL 7 Vin2 8 MB3813A/MB3833A/MB3843 (TOP VIEW) 16 GND 15 OUT SEL 9 VREF (FPT-16P-M05) 3 ...
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MB3813A/MB3833A/MB3843 PIN DESCRIPTION Pin no. Symbol I/O 1 Vin1 I 2 IN1 I 3 IN2 I 4 IN2 I 5 IN1 CTL I 8 Vin2 I 9 VREF O 10 SEL ...
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BLOCK DIAGRAM MB3813A/MB3833A/MB3843 5 ...
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MB3813A/MB3833A/MB3843 ABSOLUTE MAXIMUM RATINGS Parameter Power supply voltage Input voltage Control input voltage Select input voltage Output current Peak output current Allowable dissipation Storage temperature * : When mounted centimeters square dual-sided epoxy base board ...
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RECOMMENDED OPERATING CONDITIONS Parameter Symbol Power supply voltage V CC Reference voltage I OR output current V IN Input voltage V IN Control input voltage V CTL Select input voltage V SEL Peak output current I O Oscillator frequency f ...
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MB3813A/MB3833A/MB3843 ELECTRICAL CHARACTERISTICS Parameter Symbol Output V REF voltage Reference Input voltage block Line stability (Ref) Load Load stability Threshold V Under voltage TH voltage lockout circuit Hysteresis block (UVLO) V voltage Threshold V TH voltage Hysteresis Input voltage V ...
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Parameter Symbol Threshold V T2 voltage Line Input Line stability Error amplifier Line (Error Amp.1) Input I IN2 current R1 Input resistance R2 Input bias Error I B current amplifier (Error Input offset V IO Amp.2) voltage * : Standard ...
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MB3813A/MB3833A/MB3843 Parameter Symbol Voltage gain Frequency bandwidth Error Output amplifiers voltage (Error Amp.1, 2 common) Output source I SOURCE current Output sink current Threshold voltage Current detector Input amplifier block current (Current Amp.) In-phase input voltage range Voltage gain PWM ...
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Parameter Symbol CTL input V ON voltage Power Standby supply V OFF mode control block (CTL) I Input IH current SEL V ON voltage OFF SEL Output V OFF voltage voltage V ...
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MB3813A/MB3833A/MB3843 TYPICAL CHARACTERISTICS Reference voltage vs. Power supply voltage Power supply voltage V Reference voltage vs. Temperature 2.0 1.5 1.0 0.5 0.0 0.5 1.0 1.5 2 Temperature ...
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Error amp. threshold voltage vs. Temperature 2 1.5 CTL 5 V SEL 0 V 1.0 0.5 0.0 0.5 1.0 1.5 2 Temperature Error Amp. gain, phase vs. Frequency 40 ...
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MB3813A/MB3833A/MB3843 (Continued) Triangular wave frequency vs. Power supply voltage 250 240 230 220 330 pF 210 200 190 180 170 160 150 Power supply voltage V Triangular wave maximum amplitude ...
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FUNCTIONAL DESCRIPTION 1. Switching Regulator Block (1) Reference voltage circuit (Ref) The reference voltage circuit uses the voltage supply from the V compensated, stable voltage ( 2.50 V) for use as the reference voltage for the internal circuits of the ...
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MB3813A/MB3833A/MB3843 2. Output Voltage Switching Function The SEL terminal (pin 10) is capable of output levels of 4 4.1 V per battery cell. • Output voltage settings by model SEL terminal voltage level ...
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METHOD OF SETTING THE CHARGING CURRENT The charging current level (output limit current level) is set at the Vin2 terminal (pin 8) . Charging current level (output limit current level) Vin2 (V) IL (Max.) [ METHOD ...
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MB3813A/MB3833A/MB3843 CTL, SEL TERMINAL EQUIVALENT CIRCUITS CTL SEL 10 1.4 V ...
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APPLICATION EXAMPLE MB3813A/MB3833A/MB3843 19 ...
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MB3813A/MB3833A/MB3843 REFERENCE DATA Charging voltage vs. Charging current < MB3813A > 0.2 0.4 0.6 0.8 1.0 Charging current I (A) L Charging voltage vs. ...
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V (V) BATT ( (V) 5 CTL (V) BATT ( (V) 5 CTL ...
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... Do not apply negative voltages. The use of negative voltages below 0.3 V may create parasitic transistors on LSI lines, which can cause abnomal operation. ORDERING INFORMATION Part number MB3813APFV MB3833APFV MB3843PFV resistance in series between the worker Package 16-pin plastic SSOP (FPT-16P-M05) Remarks ...
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PACKAGE DIMENSION 16-pin plastic SSOP (FPT-16P-M05) * 5.00±0.10(.197±.004 INDEX LEAD No 0.65(.026) 0.24±0.08 (.009±.003) 0.10(.004) 1999 FUJITSU LIMITED F16013S-3C-5 C MB3813A/MB3833A/MB3843 Note These dimensions do not include resin protrusion. Note 2 ) ...
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MB3813A/MB3833A/MB3843 FUJITSU LIMITED All Rights Reserved. The contents of this document are subject to change without notice. Customers are advised to consult with FUJITSU sales representatives before ordering. The information and circuit diagrams in this document are presented as examples ...