参数资料
| 型号： | NCP5392QMNR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 23/30页 |
| 文件大小： | 0K |
| 描述： | IC PHASE CONTROLLER 2/3/4 40-QFN |
| 标准包装： | 2,500 |
| 应用： | 控制器，Intel VR11，VR11.1，AMD CPU |
| 输入电压： | 4.75 V ~ 5.25 V |
| 输出数： | 4 |
| 输出电压： | 0.375 V ~ 1.6 V |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 40-VFQFN 裸露焊盘 |
| 供应商设备封装： | 40-QFN（6x6） |
| 包装： | 带卷 (TR) |
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NCP5392Q
Simple Average SPICE Model
A simple state average model shown in Figure 13 can be used to determine a stable solution and provide insight into the
control system.
GAIN = 1
+ E1
Voff
{--2/3*4}
V3
12V
0
+
-- --
E
GAIN = {6}
0
0
1
L
2
DCR
1
LBRD
2 RBRD
1E3
ESLCer
1.3V
VRamp_min
Voff
RSUM
1k
R8
1k
12
RDFB 22p
2k
C5
10.6p
{185e--9/4} {0.6E--3/4}
CDFB
Vdrp
RDAC
100p 0.75m
CBulk
{560e--6*6}
ESRBulk
{7e--3/6}
2
ESLBulk
{3.5e--9/6}
1
CDAC
CCer
{22e--6*18}
ESRCer
{1.5e--3/18}
2 0Aac
0Adc
{1.5e--9/18}
1
I1 = 50
I2 = 110
TD = 100u
TR = 50n
TF = 50n
PW = 100u
PER = 200u
I1
0
Vout
1E3
RF
2.2k
CH
22p
0
R12
5.11k
CF
1.8n
R6
CFB1
680P
RFB
1k
Voff
50
RFB1
69.8
12n
DC = 1.2V
AC = 0
R11
VDAC
TRAN = PULSE
(0 0.05 400u 5u 5u 500u 1000u)
0
Vdrp
Unity Gain BW=15MHz
C4 1k
10.6p
0
Voffset
1.3V
0
1k
R9
1k 10.6p
R10
2k
C6
1E3
Voff
IMON
Figure 13. NCP5392Q Average SPICE Model
Compensation and Output Filter Design
0
If the required output filter and switching frequency are
significantly different, it’s best to use the available PSPICE
models to design the compensation and output filter from
scratch.
The design target for this demo board was 1.0 m Ω up to
2.0 MHz. The phase switching frequency is currently set to
330 kHz. It can easily be seen that the board impedance of
0.75 m Ω between the load and the bulk capacitance has a
large effect on the output filter. In this case the six 560 m F
bulk capacitors have an ESR of 7.0 m Ω . Thus the bulk ESR
plus the board impedance is 1.15 m Ω + 0.75 m Ω or
1.9 m Ω . The actual output filter impedance does not drop
to 1.0 m Ω until the ceramic breaks in at over 375 kHz. The
controller must provide some loop gain slightly less than
one out to a frequency in excess 300 kHz. At frequencies
below where the bulk capacitance ESR breaks with the
bulk capacitance, the DC-- DC converter must have
sufficiently high gain to control the output impedance
completely. Standard Type-- 3 compensation works well
with the NCP5392Q.
http://onsemi.com
23
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相关代理商/技术参数 |
参数描述 |
|---|---|
| NCP5392T | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:2/3/4-Phase Controller with Light Load Power Saving Enhancement for CPU Applications |
| NCP5392TMNR2G | 功能描述:DC/DC 开关控制器 2/3/4 PHASE CONTROLLER RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| NCP5393 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:2/3/4-Phase Controller for CPU Applications |
| NCP5393A | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:2/3/4-Phase Controller for CPU Applications |
| NCP5393AMNR2G | 功能描述:IC PHASE CONTROLLER 2/3/4 48-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:- 应用说明:Ultrasound Imaging Systems Application Note 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:37 系列:- 应用:医疗用超声波成像，声纳 电流 - 电源:- 电源电压:2.37 V ~ 6 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:56-WFQFN 裸露焊盘 供应商设备封装:56-TQFN-EP（8x8） 包装:管件 |
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