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参数资料
| 型号： | NCP5222GEVB |
| 厂商： | ON Semiconductor |
| 文件页数： | 5/28页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL NCP5222 SYNC BUCK |
| 设计资源： | NCP5222GEVB Schematic NCP5222GEVB Test Procedure NCP5222GEVB Bill of Materials NCP5222GEVB Gerber Zip |
| 标准包装： | 1 |
| 主要目的： | DC/DC，步降 |
| 输出及类型： | 2，非隔离 |
| 输出电压： | 1.05V，1.05V |
| 电流 - 输出： | 18A，18A |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 300kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | NCP5222 |
| 其它名称： | NCP5222GEVB-ND-ND NCP5222GEVBOSOS |
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NCP5222
PIN DESCRIPTION
Pin
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
Symbol
ICS1
FB1
COMP1
VIN
COMP2
FB2
ICS2
CS2 ? /
Vo2
CS2+
EN2 /
Skip2
BST2
DH2
SWN2
DL2
PGND2
PGOOD2
VCC
DRVS /
2CH
VCCP
PGOOD1
PGND1
DL1
SWN1
DH1
BST1
EN1 /
Skip1
CS1+
CS1 ? /
Vo1
AGND
Descriptions
Current ? Sense Output 1. Output of the current ? sense amplifier of channel 1.
Feedback 1. Output voltage feedback of channel 1.
COMP1. Output of the error amplifier of channel 1.
Vin. Input supply voltage monitor input.
COMP2. Output of the error amplifier of channel 2.
Feedback 2. Output voltage feedback of channel 2.
Current ? Sense Output 2. Output of the current ? sense amplifier of channel 2.
Current Sense 2 ? . Inductor current differential sense inverting input of Channel 2. Output Voltage 2. Connection
to output of Channel 2.
Current Sense 2+. Inductor current differential sense non ? inverting input of Channel 2.
Enable 2. Enable logic input of Channel 2. Skip 2. Power ? saving operation (FPWM and Skip) programming pin
of Channel 2.
BOOTSTRAP Connection 2.Channel 2 high ? side gate driver input supply, a bootstrap capacitor connection
between SWN2 and this pin.
High ? Side Gate Drive 2. Gate driver output of the high ? side N ? Channel MOSFET for channel 2.
Switch Node 2. Switch node between the high ? side MOSFET and low ? side MOSFET of Channel 2.
Low ? Side Gate Drive 2. Gate driver output of the low ? side N ? Channel MOSFET for channel 2.
Power Ground 2. Ground reference and high ? current return path for the low ? side gate driver of channel 2.
Power GOOD 2. Power good indicator of the output voltage of channel 2. (Open drained)
VCC. This pin powers the control section of IC.
Gate Driver for Switch. Gate driver output for the external switch in dual ? phase configuration. Dual ? Channel.
Dual ? channel configuration programming pin.
VCC Power. This pin powers internal gate drivers.
Power GOOD 1. Power good indicator of the output voltage of channel 1. (Open drained)
Power Ground 1. Ground reference and high ? current return path for the low ? side gate driver of channel 1.
Low ? Side Gate Drive 1. Gate driver output of the low ? side N ? Channel MOSFET for channel 1.
Switch Node 1. Switch node between the high ? side MOSFET and low ? side MOSFET of Channel 1.
High ? Side Gate Drive 1. Gate driver output of the high ? side N ? Channel MOSFET for channel 1.
BOOTSTRAP Connection 1. Channel 1 high ? side gate driver input supply, a bootstrap capacitor connection
between SWN1 and this pin.
Enable 1. Enable logic input of Channel 1. Skip 1. Power ? saving operation (FPWM and Skip) programming pin
of Channel 1.
Current Sense 1+. Inductor current differential sense non ? inverting input of Channel 1.
Current Sense 1 ? . Inductor current differential sense inverting input of Channel 1. Output Voltage 1. Connection
to output of Channel 1.
Analog Ground. Low noise ground for control section of IC.
http://onsemi.com
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