参数资料
型号: MAX17030GTL+
厂商: Maxim Integrated Products
文件页数: 22/39页
文件大小: 0K
描述: IC CTRLR VID QUICK-PWM 40-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 60
系列: Quick-PWM™
应用: 控制器,Intel IMVP-6.5? SV,XE
输入电压: 7 V ~ 26 V
输出数: 1
输出电压: 0.013 V ~ 1.5 V
工作温度: 0°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 40-WFQFN 裸露焊盘
供应商设备封装: 40-TQFN-EP(5x5)
包装: 管件
1/2/3-Phase Quick-PWM
IMVP-6.5 VID Controllers
INPUT (V IN )
C IN
DH_
N H
SENSE RESISTOR
LX_
L
L ESL
R SENSE
MAX17030
MAX17036
DL_
N L
D L
C OUT
C EQ R EQ =
L ESL
R SENSE
CSP_
CSN_
A) OUTPUT SERIES RESISTOR SENSING
C IN
R EQ
INPUT (V IN )
C EQ
DH_
N H
INDUCTOR
LX_
L
R DCR
MAX17030
MAX17036
DL_
N L
D L
R1
R2
C OUT
R CS =
R2
R1 + R2
R DCR
[
+
CSP_
CSN_
R DCR =
C EQ
FOR THERMAL COMPENSATION:
R2 SHOULD CONSIST OF AN NTC RESISTOR IN
L 1 1
C EQ R1 R2
]
B) LOSSLESS INDUCTOR SENSING
Figure 4. Current-Sense Methods
SERIES WITH A STANDARD THIN-FILM RESISTOR
where L ESL is the equivalent series inductance of the cur-
rent-sense resistor, R SENSE is current-sense resistance
value, and C EQ and R EQ are the time-constant matching
components.
I OS ( IBAL ) = I LMAIN ? I LSEC =
V OS(IBAL )
R SENSE
Current Balance
The MAX17030/MAX17036 integrate the difference
between the current-sense voltages and adjust the on-
time of the secondary phase to maintain current bal-
ance. The current balance relies on the accuracy of the
current-sense signals across the current-sense resistor
or inductor DCR. With active current balancing, the cur-
rent mismatch is determined by the current-sense resis-
tor or inductor DCR values and the offset voltage of the
transconductance amplifiers:
where R SENSE = R CM = R CS and V OS(IBAL) is the
current balance offset specification in the Electrical
Characteristics table.
The worst-case current mismatch occurs immediately
after a load transient due to inductor value mismatches
resulting in different di/dt for the two phases. The time it
takes the current-balance loop to correct the transient
imbalance depends on the mismatch between the
inductor values and switching frequency.
22
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参数描述
MAX17030GTL+ 功能描述:电压模式 PWM 控制器 1/2/3-Phase PWM IMVP-6.5 VID Ctlr RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel
MAX17030GTL+T 功能描述:电压模式 PWM 控制器 1/2/3-Phase PWM IMVP-6.5 VID Ctlr RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel
MAX17031ETG+ 功能描述:电压模式 PWM 控制器 Dual PWM Step-Down Controller RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel
MAX17031ETG+T 功能描述:电压模式 PWM 控制器 Dual PWM Step-Down Controller RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel
MAX17033GTL+ 功能描述:电压模式 PWM 控制器 Dual PWM Step-Down Controller RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel