- 您现在的位置：买卖IC网 > PDF目录16559 > MAX17007AGTI+T (Maxim Integrated Products)IC CTRLR QPWM GRAPHICS 28TQFN PDF资料下载
参数资料
| 型号： | MAX17007AGTI+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 26/35页 |
| 文件大小： | 0K |
| 描述： | IC CTRLR QPWM GRAPHICS 28TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 系列： | Quick-PWM™ |
| 应用： | 电源 |
| 电流 - 电源： | 1.7mA |
| 电源电压： | 4.5 V ~ 26 V |
| 工作温度： | -40°C ~ 105°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-WFQFN 裸露焊盘 |
| 供应商设备封装： | 28-TQFN-EP（4x4） |
| 包装： | 带卷 (TR) |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页当前第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页
Dual and Combinable QPWM Graphics
Core Controllers for Notebook Computers
Internal Integration
An integrator amplifier forces the DC average of the FB
voltage to equal the target voltage. This internal amplifier
integrates the feedback voltage and provides a fine
adjustment to the regulation voltage (Figure 4), allowing
accurate DC output-voltage regulation regardless of the
compensated feedback ripple voltage and internal slope-
compensation variation. The integrator amplifier has the
ability to shift the output voltage by ±140mV (typ).
The MAX17007/MAX17008 disable the integrator by
connecting the amplifier inputs together at the begin-
ning of all dynamic REFIN1 transitions done in pulse-
skipping mode. The integrator remains disabled until
20μs after the transition is completed (the internal target
settles) and the output is in regulation (edge detected
on the error comparator).
Power-Good Outputs (PGOOD)
and Fault Protection
PGOOD_ is the open-drain output that continuously
monitors the respective output voltage for undervoltage
and overvoltage conditions. The respective PGOOD_ is
actively held low in shutdown (EN_ = GND) during soft-
start and soft-shutdown. Approximately 200μs (typ)
after the soft-start terminates, PGOOD_ becomes high
impedance as long as the respective output voltage is
in regulation.
TARGET
PGOOD1 goes low if the output voltage drops 200mV
below the target voltage (REFIN1 or fixed 1.05V), or
rises 300mV above the target voltage (REFIN1 or fixed
1.05V), or the SMPS1 controller is shut down.
In adjustable mode, PGOOD2 goes low if the feedback
voltage drops 100mV below the target voltage (0.7V), or
rises 150mV above the target voltage (0.7V), or the
SMPS2 controller is shut down. In preset mode (fixed
1.5V), the PGOOD2 thresholds are -200mV and +300mV.
For a logic-level PGOOD output voltage, connect an
external pullup resistor between PGOOD and V DD . A
100k ? pullup resistor works well in most applications.
See Figure 13.
Overvoltage Protection (OVP, MAX17007 Only)
When the internal feedback voltage rises above the
overvoltage threshold, the OVP comparator immediate-
ly pulls DH low and forces DL high, pulls PGOOD low,
sets the fault latch, and disables the faulted SMPS con-
troller. Toggle EN or cycle V CC power below the V CC
POR to clear the fault latch and restart the controller.
The overvoltage thresholds are +300mV for SMPS1
(fixed 1.05V and adjustable REFIN1), +300mV for
SMPS2 in preset mode (fixed 1.5V output), and +150mV
for SMPS2 in adjustable mode (0.7V feedback).
An OV fault on one side does not affect the other side.
TARGET
NOTE: ONLY THE MAX17007 HAS
OVP FUNCTION ENABLED.
EN
SOFT-START
COMPLETE
- V UVP
+ V OVP
CSL OR FB
ONE
UVP
OVP
OVP ENABLED
(MAX17007 ONLY)
SHOT
200 μ s
FAULT
LATCH
FAULT
POWER-GOOD
Figure 13. Power-Good and Fault Protection
IN
CLK
OUT
26
______________________________________________________________________________________
相关PDF资料 |
PDF描述 |
|---|---|
| RCC12DRXS-S734 | CONN EDGECARD 24POS DIP .100 SLD |
| A1DXH-2036M | IDC CABLE - AKR20H/AE20M/X |
| RSC06DRTN-S734 | CONN EDGECARD 12POS DIP .100 SLD |
| ESM12DRSN | CONN EDGECARD 24POS DIP .156 SLD |
| P1330R-222K | INDUCTOR POWER 2.2UH SMD |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX17007BGTI+ | 功能描述:电压模式 PWM 控制器 QPWM Graphics Core 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 |
| MAX17007BGTI+T | 制造商:Maxim Integrated Products 功能描述:DUAL AND COMBINABLE QPWM GRAPHICS CORE CONTROLLERS FOR NOTEB - Tape and Reel |
| MAX17007EVKIT+ | 功能描述:电源管理IC开发工具 QPWM Graphics Core Controller 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 |
| MAX17007GTI+ | 功能描述:电压模式 PWM 控制器 QPWM Graphics Core 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 |
| MAX17007GTI+T | 功能描述:电压模式 PWM 控制器 QPWM Graphics Core 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 |
发布紧急采购，3分钟左右您将得到回复。