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| 型号： | MAX8810AETM+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 13/50页 |
| 文件大小： | 0K |
| 描述： | IC CNTRLR PWM W/MOSFET 48TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 应用： | 控制器，Intel VR10、VR11 |
| 输入电压： | 4.5 V ~ 5.5 V |
| 输出数： | 1 |
| 输出电压： | 0.5 V ~ 1.6 V |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-WFQFN 裸露焊盘 |
| 供应商设备封装： | 48-TQFN-EP（6x6） |
| 包装： | 管件 |
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VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM
Controllers with Integrated Dual MOSFET Drivers
Typical Operating Characteristics (continued)
(Circuit of Figure 14, V IN = 12V, V OUT = 1.35V, I OUT_MAX = 115A, R O = 1m Ω , f SW = 200kHz, V CC = 5V, V VL_ = 6.5V, T A = +25°C,
unless otherwise noted.)
BST_ AND VL_ WAVEFORMS
V IN = 8V
500mV/div
50
DH_ FALLING PROPAGATION DELAY
vs. TEMPERATURE
VL_
BST_
LX_
(AC-COUPLED)
200mV/div
(AC-COUPLED)
5V/div
45
40
35
30
25
20
500ns/div
-40
-20
0 20 40 60
80
AMBIENT TEMPERATURE ( ° C)
Pin Description
PIN
MAX8809A MAX8810A
NAME
FUNCTION
Open-Drain, Power-Okay Indicator. VRREADY is an open-drain output that goes high
1
48
VRREADY
impedance when the output is in regulation. VRREADY pulls low when the output is out of
regulation, the IC is in shutdown, or V CC is below the UVLO threshold.
Current-Limit Set Input. Connect to the center tap of an external resistor-divider from REF
2
1
ILIM
to GND to set the cycle-by-cycle average current-limit threshold. Connect ILIM to V CC to
select the default current-limit threshold.
Internal Reference Output. REF regulates to 2V. Bypass REF to GND with a 0.1μF to 1μF
3
2
REF
ceramic capacitor. Do not use a capacitor greater than 1μF. REF sources up to 500μA for
external loads. REF is enabled when V CC is above UVLO regardless of the state of EN.
Error-Amplifier Output. Connect COMP to the compensation network to implement either
4
3
COMP
voltage positioning or integral feedback-control. Connect a resistor from COMP to GND
to set the offset voltage. See the Loop-Compensation Design section for details on
determining the compensation network.
5
6
5
6
GND
V CC
Analog Ground. Connect GND to the analog ground plane.
IC Supply Input. Connect V CC to a 4.5V to 5.5V power supply. Bypass V CC to GND with
a 1μF or larger ceramic capacitor.
Output-Voltage Remote-Sense Negative Input. Connect RS- to the V SS_SEN remote-
7
8
RS-
sense point at the load when using the remote sense. Otherwise, connect RS- to GND at
the load.
Output-Voltage Remote-Sense Positive Input. Connect RS+ to the V CC_SEN remote-
8
9
RS+
sense point at the load when using remote sense. Otherwise, connect RS+ to the output
at the load.
______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8810AETM+ | 功能描述:电流型 PWM 控制器 VRD11/10 K8 Rev. F 2/3/4-Phase PWM Ctlr RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| MAX8810AETM+T | 功能描述:电流型 PWM 控制器 VRD11/10 K8 Rev. F 2/3/4-Phase PWM Ctlr RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| MAX8811EEE+ | 功能描述:功率驱动器IC High-Speed Dual Phase Driver RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX8811EEE+T | 功能描述:功率驱动器IC High-Speed Dual Phase Driver RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX8814ETA+ | 制造商:Maxim Integrated Products 功能描述:CHGR LI-ION/LI-POL 570MA 4.2V 8TDFN EP - Rail/Tube 制造商:Rochester Electronics LLC 功能描述: |
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