参数资料
型号: NCP5220AMNR2G
厂商: ON Semiconductor
文件页数: 8/18页
文件大小: 0K
描述: IC CTLR PWM DUAL BUCK PWR 20-DFN
产品变化通告: Product Obsolescence 21/Jan/2010
标准包装: 1
应用: 控制器,DDR
输入电压: 5 V ~ 12 V
输出数: 2
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 20-VFDFN 裸露焊盘
供应商设备封装: 20-QFN(6x5)
包装: 剪切带 (CT)
其它名称: NCP5220AMNR2GOSCT
NCP5220
TYPICAL OPERATING WAVEFORMS
Channel 1: VDDQ Output Voltage, 1.0 V/div
Channel 2: VTT Output Voltage, 1.0 V/div
Channel 3: V1P5 Output Voltage, 1.0V/div
Time Base: 5.0 ms/div
Figure 9. Power?Up Sequence
500 mA Applied
to VDDQ
417 mA Applied
to VTT
288 mA Applied
to V1P5
Channel 1: SLP_S5 Pin Voltage, 5.0 V/div
Channel 2: VDDQ Output Voltage, 1.0 V/div
Channel 3: VTT Output Voltage, 1.0 V/div
Channel 4: V1P5 Output Voltage, 1.0 V/div
Time Base: 10 ms/div
Figure 11. S0?S5?S0 Transition
Channel 1: SLP_S3 Pin Voltage, 5.0 V/div
Channel 2: VDDQ Output Voltage, AC?Coupled, 20 mV/div
Channel 3: VTT Output Voltage, AC?Coupled, 100 mV/div
Channel 4: V1P5 Output Voltage, 50 mV/div
Time Base: 10 ms/div
Figure 10. S0?S3?S0 Transition
Channel 1: Current sourced out of VTT, 2.0 A/div
Channel 2: VDDQ Output Voltage, AC?Coupled, 100 mV/div
Channel 3: VTT Output Voltage, AC?Coupled, 20 mV/div
Channel 4: V1P5 Output Voltage, AC?Coupled, 100 mV/div
Time Base: 200 m s/div
Figure 12. VTT Source Current Transient,
0A?2A–0A
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