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参数资料
| 型号： | PC34704BEP |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 电源管理 |
| 英文描述： | 8-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC56 |
| 封装： | 7 X 7 MM, 1 MM HEIGHT, 0.40 MM PITCH, ROHS COMPLIANT, QFN-56 |
| 文件页数： | 48/50页 |
| 文件大小： | 2010K |
| 代理商： | PC34704BEP |
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Analog Integrated Circuit Device Data
Freescale Semiconductor
7
34704
PIN CONNECTIONS
50
A/B
SW5U
Input/Output
REG5 Boost Stage
switching node
The inductor is connected between this pin and the SW5D pin.
51
A/B
VOUT5
Output
REG5 regulated output
voltage pin
Connect this pin to the load and to the output filter as close to
the pin as possible.
52
A/B
SW5D
Input/Output
REG5 Buck Stage
switching node
The inductor is connected between this pin and the SW5U pin.
53
A/B
PVIN5
Power
REG5 power supply input
voltage
This is the connection to the drain of the high side switch FET.
Input decoupling /filtering is required for proper REG5 operation.
54
A/B
BT5D
Passive
REG5 Buck Stage
bootstrap capacitor input
pin
Connect a 1
F capacitor between this pin and SW5D pin to
enhance the gate of the Switch Power MOSFET.
55
A/B
FB5
Input
REG5 voltage feedback
input for voltage
regulation/programming
Connect the feedback resistor divider to this pin.
56
A/B
COMP5
Passive
REG5 compensation
network connection
REG5 compensation network connection.
57
A/B
PGND
Ground
Power Ground
Connection for all of the
regulators except REG7
Power Ground Connection for all of the regulators except
REG7.
Table 2. 34704 Pin Definitions (continued)
A functional description of each pin can be found in the Functional Pin Description section beginning on page 17.
Pin Number Device Pin Name Pin Function
Formal Name
Definition
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