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参数资料
| 型号： | MAX17480EVKIT+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 17/48页 |
| 文件大小： | 0K |
| 描述： | EVALUATION KIT FOR MAX17480 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 主要目的： | DC/DC，步降 |
| 输出及类型： | 3，非隔离 |
| 输入电压： | 4 ~ 26 V |
| 稳压器拓扑结构： | 降压 |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | MAX17480 |
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AMD 2-/3-Output Mobile Serial
VID Controller
Pin Description (continued)
PIN
NAME
FUNCTION
Output of the Voltage-Positioning Transconductance Amplifier for SMPS2. The RC network between
this pin and the positive side of the remote-sensed output voltage sets the transient AC droop:
15
FBAC2
R DROOP _ AC 2 =
R FBAC 2 × R FBDC 2
R FBAC 2 + R FBDC 2 + R FB 2 Z CFB 2
× R SENSE 2 × G m ( FBAC 2 )
where R DROOP_AC2 is the transient (AC) voltage-positioning slope that provides an acceptable
trade-off between stability and load-transient response, G m(FBAC2) = 2mS (typ), and R SENSE2 is the
value of the current-sense element that is used to provide the (CSP2, CSN2) current-sense voltage,
Z CFB2 is the impedance of C FB2 , and FBAC2 is high impedance in shutdown.
Feedback-Sense Input for SMPS2. Connect a resistor R FBDC2 between FBDC2 and the positive side
of the feedback remote sense, and a capacitor from FBAC2 to couple the AC ripple from FBAC2 to
FBDC2. An integrator on FBDC2 corrects for output ripple and ground-sense offset.
16
17
18
19
FBDC2
CSN2
CSP2
PGD_IN
To enable a DC load-line less than the AC load-line, add a resistor from FBAC2 to FBDC2.
To enable a DC load-line equal to the AC load-line, short FBAC2 to FBDC2. See the Core Steady-
State Voltage Positioning (DC Droop) section.
FBDC2 is high impedance in shutdown.
Negative Current-Sense Input for SMPS2. Connect to the negative side of the output current-sensing
resistor or the filtering capacitor if the DC resistance of the output inductor is utilized for current
sensing.
A 20
discharge FET is enabled from CSN2 to PGND when the SMPS2 is shut down.
Positive Current-Sense Input for SMPS2. Connect to the positive side of the output current-sensing
resistor or the filtering capacitor if the DC resistance of the output inductor is utilized for current
sensing.
System Power-Good Input
PGD_IN is low when SHDN first goes high. The MAX17480 decodes the two SVI bits to determine
the boot voltage. The SVI bits can be changed dynamically during this time while PGD_IN remains
low and PWRGD is still low.
PGD_IN goes high after the MAX17480 reaches the boot voltage. This indicates that the SVI block
is active, and the MAX17480 starts to respond to the SVI commands. The MAX17480 stores the
boot VID when PWRGD first goes high. The stored boot VID is cleared by rising SHDN .
After PGD_IN has gone high, if at any time PGD_IN goes low, the MAX17480 regulates to the
previously stored boot VID. The slew rate during this transition is set by the resistor between the
TIME and GND pins. PWRGD follows the blanking for normal VID transition.
The subsequent rising edge of PGD_IN does not change the stored VID.
______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX17480EVKIT+ | 功能描述:电源管理IC开发工具 MAX17480 Eval Kit RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| MAX17480GTL+ | 功能描述:显示驱动器和控制器 2-/3-Output Mobile erial VID Ctlr RoHS:否 制造商:Panasonic Electronic Components 工作电源电压:2.7 V to 5.5 V 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Reel |
| MAX17480GTL+T | 功能描述:显示驱动器和控制器 2-/3-Output Mobile erial VID Ctlr RoHS:否 制造商:Panasonic Electronic Components 工作电源电压:2.7 V to 5.5 V 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Reel |
| MAX17482GTL+ | 功能描述:电压模式 PWM 控制器 NDA IC 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 |
| MAX17482GTL+T | 功能描述:电压模式 PWM 控制器 NDA IC 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 |
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