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参数资料
| 型号： | MAX1980ETP |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | Quick-PWM Slave Controller with Driver Disable for Multiphase DC-DC Converter |
| 中文描述： | SWITCHING CONTROLLER, 550 kHz SWITCHING FREQ-MAX, PQCC20 |
| 封装： | 5 X 5 MM, 0.80 MM HEIGHT, THIN, QFN-20 |
| 文件页数： | 14/33页 |
| 文件大小： | 1153K |
| 代理商： | MAX1980ETP |
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M
Quick-PWM Slave Controller with
Driver Disable for Multiphase DC-DC Converter
14
______________________________________________________________________________________
In-Phase and Out-of-Phase Operation
Multiphase systems can stagger the on times of each
phase (out-of-phase operation) or simultaneously turn
on all phases at the beginning of a new cycle (in-phase
operation). When configured for out-of-phase opera-
tion, high input-to-output differential voltages (V
IN
>
η
V
OUT
) prevent the on times from overlapping.
Therefore, the instantaneous input-current peaks of
each phase do not overlap, resulting in reduced input-
and output-voltage ripple and RMS ripple current. This
lowers the input- and output-capacitor requirements,
which allows fewer or less expensive capacitors, and
decreases shielding requirements for EMI. When the on
times overlap at low input-to-output differential voltages
MAX1980
Q
TRIG
TOFF
ONE-SHOT
R
S
Q
Q
Q
TRIG
EDGE
DETECTOR
Q
TRIG
TON
ONE-SHOT
CONTROLLER
BIAS
PWM
CONTROLLER
SUPPLY
ON-TIME
COMPUTE
POSITIVE
CS LIMIT
NEGATIVE
CS LIMIT
17R
2R
R
POSITIVE
CM LIMIT
V
CC
TON
0.25V
STANDBY
ILIM
V+
COMP
CS-
CS+
CM+
CM-
GMS
GMM
LIMIT
BST
DH
LX
DL
DD
PGND
TRIG
POL
ILIM
GND
V
DD
Figure 2. Functional Diagram
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1980ETP+ | 功能描述:DC/DC 开关控制器 PWM Slave Controller w/Driver Disable 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 |
| MAX1980ETP+T | 功能描述:DC/DC 开关控制器 PWM Slave Controller w/Driver Disable 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 |
| MAX1980ETP+TG075 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1980ETP-T | 功能描述:DC/DC 开关控制器 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 |
| MAX1980ETP-TG075 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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