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MB3813APFV-ER
FUJITSU SEMICONDUCTOR DATA SHEET DS04-27700-5E ASSP For Power Management Applications (Secondary battery) Lithium Ion Battery Charger DC/DC Converter IC (High Precision with Constant-current Function) MB3813A/MB3833A/MB3843 s DESCRIPTION The FUJITSU MB3813A/33A/43 are pulse width modulation (PWM) DC/DC converter ICs with independent output voltage and current setting capability. These products are covered by US Patent Number 6,147,477. The use of on-chip output setting resistance enables high precision output voltage control. Also, an output voltage switching feature for use with either graphite-electrode or coke-electrode lithium-ion batteries makes this IC ideal for internal battery chargers in notebook personal computers and similar applications. Cell count Output voltage Part number 3-cell 12.6 V/12.3 V MB3813A 2-cell 8.4 V/8.2 V MB3833A 1-cell 4.2 V/4.1 V MB3843 s FEATURES • Output setting resistance is on-chip for high precision output voltage : ±1.0% • SEL terminal enables output voltage selection (Continued) s PACKAGE 16-pin plastic SSOP (FPT-16P-M05)
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