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參數(shù)資料
| 型號(hào)： | MPC18730EPR2 |
| 廠商： | 飛思卡爾半導(dǎo)體(中國(guó))有限公司 |
| 英文描述： | Power Management IC with Five Regulated Outputs Programmed Through 3 Wire Serial Interface |
| 中文描述： | 與電源管理IC，通過3線串行接口編程五穩(wěn)壓輸出 |
| 文件頁數(shù)： | 19/35頁 |
| 文件大小： | 617K |
| 代理商： | MPC18730EPR2 |
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Analog Integrated Circuit Device Data
Freescale Semiconductor
19
18730
FUNCTIONAL DEVICE OPERATION
OPERATIONAL MODES
Figure 9. Reset Timing Diagram
POWER SUPPLY VO1_SENSE, VO2_SENSE:
NI_MH
The VBATT voltage rises and is output to VIN1. When
PGOOD2(int) is High, the power switch turns ON to output
the VO1_SENSE voltage to VOUT1. Capacitance value
which is connected to VO1_SENSE should be higher than
the capacitor connected to VOUT1.
The VBATT voltage rises or falls and is output to VIN2.
When PGOOD2(int) is High, the power switch turns ON to
output the VO2_SENSE_IN voltage to VOUT2. If you turn
DDC2 OFF using the register, the power switch 2 also turns
OFF. Capacitance value which is connected to
VO2_SENSE_IN should be higher than the capacitor
connected to VOUT2.
PGOOD1(Int)
PGOOD1
SLEEP(Int)
Table 10. Output Voltage of VO1_SENSE
Address: 0011
(28)
B7
B6
B5
B4
B3
B2
B1
S_Off_VO1_SENSE
VO1_SENSE [V]
(29)
L
L
L
L
L
L
L
X
1.613
L
L
L
L
L
L
H
X
1.625
L
L
L
L
L
H
L
X
1.638
L
L
L
L
H
L
L
X
1.663
L
L
L
H
L
L
L
X
1.713
L
L
H
L
L
L
L
X
1.813
L
H
L
L
L
L
L
X
2.013
H
L
L
L
L
L
L
X
2.413
H
L
L
L
L
L
H
X
2.425
H
L
L
L
L
H
L
X
2.438
H
L
L
L
H
L
L
X
2.463
H
L
L
H
L
L
L
X
2.513
H
L
H
L
L
L
L
X
2.613
H
H
L
L
L
L
L
X
2.813
H
H
H
H
H
H
H
X
3.200
Notes
28.
29.
All combinations of input are not included.
Operation is not guaranteed when VO1_SENSE input voltage is 1.8 V or lower. By connecting a diode between VIN1
and VO1_SENSE, VIN1 can output voltage higher (with the voltage difference Vf) than VO1_SENSE.
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