Power Management IC
Mobile Telephones
Parameter1 | Parameter2 | Package | Document List
Parameter 1
| Part Number |
Features | Functions | Regulator output |
Speaker amplifier output power (Typ.) (mW) |
DC/DC converter Number of channel |
DC/DC converter output voltage (V) |
| MB3891 |
Internal 6 ch. Series regulator, SIM-interface, Charge-pump for SIM-card, Backflow prevention function for battery-backup | System power management for mobile phones | LDO1: 2.1 V, | - | - | - |
| LDO2: 2.8 V, | ||||||
| LDO3: 2.8 V, | ||||||
| LDO4: 2.8 V/2.5V, | ||||||
| LDO5: 2.8 V, | ||||||
| LDO6: 2.1 V | ||||||
| MB3892 |
Internal 12 ch. series regulator (4 ch. forbaseband, 6 ch. for RF, 1ch. for variable bias, 1 ch. for vibrator), Receiver amplifier, Loud-speaker drive amplifier, Lithium ion battery charge controller | Baseband regulator output | Receiver: 90 (Vcc = 3.6 V), | |||
| Reg1 to Reg3 : 2.85 V, | Loud-speaker: 260 (V | |||||
| BATT Reg : 3.1 V | ||||||
| Vibrator regulator output | ||||||
| VIB Reg : 1.5 V | ||||||
| RF regulator output | ||||||
| Reg1 to Reg6 : 2.85 V | ||||||
| Variable bias regulator output | ||||||
| Vreg : 2 to 2.85 V | ||||||
| MB3893A |
Internal 4 ch. Series regulator, Lithium ion battery charge controller | Reg1: 2.5 V, | - | |||
| Reg2: 1.8 V, | ||||||
| Reg3: 2 V, | ||||||
| Reg4: 2.5 V |
