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參數(shù)資料
| 型號： | MB3892 |
| 廠商： | Fujitsu Limited |
| 英文描述： | Power Management IC for Mobile Phone |
| 中文描述： | 電源管理IC的移動電話 |
| 文件頁數(shù)： | 27/40頁 |
| 文件大?。?/td> | 503K |
| 代理商： | MB3892 |
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MB3892
27
I
FUNCTIONAL DESCRIPTION
1.
Power Control
(1) Reference voltage
This circuit uses the voltage generated by VB1 terminal (pin 28) to produce a temperature compensated reference
voltage (1.23 V typ.) for power control and uses this reference voltage on power control.
(2) Baseband regulator (BBREG1)
This regulator uses the reference voltage to produce an output voltage (2.85V typ.) at OUT1 terminal (pin 75).
Power can be drawn from OUT1 terminal for external use, up to a maximum load current of 110 mA.
(3) Baseband regulator (BBREG2)
This regulator uses the reference voltage to produce an output voltage (2.85 V typ.) at OUT2 terminal (OUT2-
1 terminal (pin 72), OUT2-2 terminal (pin73)).
Power can be drawn from OUT2 terminal for external use, up to a maximum load current of 150 mA.
(4) Baseband regulator (BBREG3)
This regulator uses the reference voltage to produce an output voltage (2.85V typ.) at OUT3 terminal (pin 71).
Power can be drawn from OUT3 terminal for external use, up to a maximum load current of 60mA.
(5) Battery backup regulator (BATTREG)
This regulator uses the reference voltage to produce an output voltage (3.1V typ.) at BATTOUT terminal (pin 69).
(6) Vibrator drive circuit (VIBREG)
This circuit uses the reference voltage to produce an output voltage (1.5V typ.) at VIBREG terminal (VIBREG-
1 terminal (pin 78), VIBREG-2 terminal (pin 79)).
Power can be drawn from VIBREG terminal for external use, up to a maximum load current of 200mA.
(7) RF regulator (RFREG1)
This regulator uses the reference voltage to produce an output voltage (2.85V typ.) at RFOUT1 terminal (pin
42) when an "H" level signal is input at the RFCTL1 terminal (pin 41).
Power can be drawn from RFOUT1 terminal for external use, up to a maximum load current of 10mA.
(8) RF regulator (RFREG2)
This regulator uses the reference voltage to produce an output voltage (2.85V typ.) at RFOUT2 terminal (pin
40) when an "H" level signal is input at the RFCTL2 terminal (pin 39).
Power can be drawn from RFOUT2 terminal for external use, up to a maximum load current of 20mA.
(9) RF regulator (RFREG3)
This regulator uses the reference voltage to produce an output voltage (2.85V typ.) at RFOUT3 terminal (pin
38) when an "H" level signal is input at the RFCTL3 terminal (pin 37).
Power can be drawn from RFOUT3 terminal for external use, up to a maximum load current of 20mA.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| MB3892PFF | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Power Management IC for Mobile Phone |
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