- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄361102 > NCP5331FTR2G (ON SEMICONDUCTOR) Two-Phase PWM Controller with Integrated Gate Drivers PDF資料下載
參數(shù)資料
| 型號(hào)： | NCP5331FTR2G |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Two-Phase PWM Controller with Integrated Gate Drivers |
| 中文描述： | 1.5 A SWITCHING CONTROLLER, 750 kHz SWITCHING FREQ-MAX, PQFP32 |
| 封裝： | LEAD FREE, LQFP-32 |
| 文件頁(yè)數(shù)： | 29/36頁(yè) |
| 文件大?。?/td> | 443K |
| 代理商： | NCP5331FTR2G |
第1頁(yè)第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)第15頁(yè)第16頁(yè)第17頁(yè)第18頁(yè)第19頁(yè)第20頁(yè)第21頁(yè)第22頁(yè)第23頁(yè)第24頁(yè)第25頁(yè)第26頁(yè)第27頁(yè)第28頁(yè)當(dāng)前第29頁(yè)第30頁(yè)第31頁(yè)第32頁(yè)第33頁(yè)第34頁(yè)第35頁(yè)第36頁(yè)
NCP5331
http://onsemi.com
29
+
+
G
VDRP
Σ
R
S1
CS1
C
S1
L1
I
MAX
/2
+
G
VDRP
R
S2
CS2
C
S2
L2
I
MAX
/2
CS
REF
COMP
Error
Amp
VID Setting
IBIAS
VFB
R
DRP
R
F1
V
DRP
= VID +
I
MAX
R
L
G
VDRP
V
FB
= VID
V
CORE
I
DRP
I
FBK
V
CORE
= VID (I
DRP
IBIAS
VFB
) R
F1
Figure 34. AVP Circuitry at FullLoad
I
DRP
= I
MAX
R
L
G
VDRP
/R
DRP
I
FBK
= I
DRP
IBIAS
VFB
+
Figure 35. V
DRP
Tuning, RC Time Too Long
NOTE:
The RC time constant of the current sense network is
too long (slow); V
DRP
and V
CORE
respond too slowly.
Figure 36. V
DRP
tuning, RC Time Too Short
NOTE:
The RC time constant of the current sense network is
too short (fast); V
DRP
and V
CORE
both overshoot.
7. Current Sensing
For inductive current sensing, choose the current sense
network (RSx, CSx) to satisfy
RSx
CSx
Lo (RL
RPCB)
(32)
For resistive current sensing, choose the current sense
network (RSx, CSx) to satisfy
RSx
CSx
Lo (Rsense)
(33)
This will provide an adequate starting point for RSx and
CSx. After the converter is constructed, the value of RSx
(and/or LSx) should be finetuned in the lab by observing
the V
DRP
signal during a step change in load current. Tune
the RSx
CSx network to provide a “squarewave” at the
V
DRP
output pin with maximum rise time and minimal
overshoot as shown in Figures 34 36.
Figure 37. V
DRP
Tuning, RC Time Optimal
NOTE:
The RC time constant of the current sense network is
optimal; V
DRP
and V
CORE
respond to the load current
quickly without overshooting.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| NCP5331 | Two-Phase PWM Controller with Integrated Gate Drivers |
| NCP5331FTR2 | Two-Phase PWM Controller with Integrated Gate Drivers |
| NCP5383 | Two Phase Buck Controller with Integrated Gate Drivers and AVP |
| NCP5422ADR2G | Dual Out−of−Phase Synchronous Buck Controller with Current Limit |
| NCP5423 | Dual Out−of−Phase Synchronous Buck Controller with Current Limit |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NCP5332A | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Two-Phase Buck Controller with Integrated Gate Drivers and 5-Bit DAC |
| NCP5332A/D | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Two-Phase Buck Controller with Integrated Gate Drivers and 5-Bit DAC |
| NCP5332ADW | 功能描述:DC/DC 開(kāi)關(guān)控制器 2 Phase Buck w/Gate RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| NCP5332ADWR2 | 功能描述:DC/DC 開(kāi)關(guān)控制器 2 Phase Buck w/Gate RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| NCP5338MNR2G | 制造商:ON Semiconductor 功能描述:INTEGRATED DRIVER AND MOS - Tape and Reel 制造商:ON Semiconductor 功能描述:INTEGRATED DRIVER AND MOS - Cut TR (SOS) 制造商:ON Semiconductor 功能描述:REEL / INTEGRATED DRIVER AND MOS 制造商:ON Semiconductor 功能描述:Integrated Driver and MOSFET |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。