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The FUJITSU MB3828 is a pulse width modulation (PWM) DC/DC converter IC chip that provides a selection of 1.3 V to 3.5 V output voltages for Pentium®* CPU’s, using a 5-bit input signal information. The MB3828 utilizes synchronous rectification for high efficiency and features a soft-start/discharge control function for ease in designing power supplies in mul.
a soft-start/discharge control function for ease in designing power supplies in multi-supply systems, making it ideal for Pentium® power supply systems.
* : Pentium is the registered trademark of Intel Corporation.
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• Highly efficient for using synchronous rectification scheme On-chip soft-start/discharge control circuit High precision output voltage: ±1.2% 5-bit, 32-step DAC: 3.5 V to 2.1 V in 100 mV steps 2.05 V to 1.3 V in 50 mV steps Frequency range: 100 kHz to 500 kHz using variable resistance (on-chip frequency setting capacitance) Standby current: 0 µA TYP On-ch.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | MB3821 |
Fujitsu Media Devices |
2-ch DC/DC Converter |
|
| 2 | MB3825A |
Fujitsu Media Devices |
6-ch DC/DC Converter |
|
| 3 | MB3827 |
Fujitsu Media Devices |
6-ch DC/DC Converter |
|
| 4 | MB3829 |
Fujitsu Media Devices |
System Power Supply |
|
| 5 | MB3800 |
Fujitsu Media Devices |
Switching Regulator Controller |
|
| 6 | MB3802 |
Fujitsu Media Devices |
Power Management Switch |
|
| 7 | MB3807A |
Fujitsu Media Devices |
Power Management Switching |
|
| 8 | MB3813A |
Fujitsu Media Devices |
Lithium Ion Battery Charger DC/DC Converter |
|
| 9 | MB3817 |
Fujitsu Media Devices |
Switching Regulator Controller |
|
| 10 | MB3832A |
Fujitsu Media Devices |
DC/DC Converter |
|
| 11 | MB3833A |
Fujitsu Media Devices |
Lithium Ion Battery Charger DC/DC Converter |
|
| 12 | MB3836 |
Fujitsu |
Li-lon Battery Protection |
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