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参数资料
| 型号： | MAX8688ALETG+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 8/38页 |
| 文件大小： | 0K |
| 描述： | IC PWR SUPPLY CTRLR/MONTR 24TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 75 |
| 应用： | 电源控制器/监控器 |
| 电源电压： | 3 V ~ 3.6 V |
| 电流 - 电源： | 6.7mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-WFQFN 裸露焊盘 |
| 供应商设备封装： | 24-TQFN-EP（4x4） |
| 包装： | 管件 |
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Digital Power-Supply Controller/Monitor
with PMBus Interface
Pin Description
PIN
1, 3
2
4
5
6
7
8, 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
—
NAME
DVDD
DGND
CLKIO
RST
SDA
SCL
N.C.
ENOUT
FLT
A3/ONOFF
A2/SDAE
A1/SCLE
DACOUT
AGND
AVDD
REFO
RS_C
RS-
RS+
ISN-
ISN+
ISN_C
EP
FUNCTION
Digital Power-Supply Input (3.3V, typ). Connect AVDD to DVDD externally. Connect a 0.1μF capacitor from
DVDD to DGND.
Digital Ground. Connect AGND to DGND externally close to the device.
Clock Input/Output. User-configurable clock input/output signal. The system controller can provide a clock
input to synchronize the time bases of multiple MAX8688 devices. Alternatively, a MAX8688 can provide a
1MHz output clock to other MAX8688s for synchronization. See the MFR_MODE (D1h) section.
Active-Low SMBus Interface and Device Reset Line. Active-low logic input. See the RST Operation section.
SMBus Data Line
SMBus Clock Line
No Connection. Not internally connected.
On/Off Signal Open-Drain Output. Typically used to turn on/off a POL power supply under the PMBus
command or A3/ONOFF control. See the ENOUT Operation and MFR_MODE (D1h) sections .
Fault Output, Active-Low Open-Drain Output. Typically connected to system controller/master interrupt
input.
Dual-Functioned Three-State MAX8688 Slave Address Identifier (MSB) and POL On/Off Control using the
MFR_MODE Command. See the MAX8688 Address Assignment and A3/ONOFF Operation sections.
Dual-Functioned Three-State MAX8688 Slave Address Identifier and EEPROM I 2 C Data Line. See the
MAX8688 Address Assignment and External EEPROM Interface sections .
Dual-Functioned Three-State MAX8688 Slave Address Identifier (LSB) and EEPROM I 2 C Clock Line. See
the MAX8688 Address Assignment and External EEPROM Interface sections .
Analog Voltage Output of Internal 12-Bit DAC. Connect DACOUT to REFIN or FB of the DC-DC module with
high impedance in shutdown.
Analog Ground. Connect AGND to DGND externally close to the device.
Analog Power-Supply Input (3.3V, typ). Connect AVDD to DVDD externally. Connect 0.1μF capacitor from
AVDD to AGND.
Buffered Reference Output. Connect a 1μF capacitor from REFO to ground.
Filter Capacitor Connection for V SENSE Amplifier
Differential Remote-Sense Input Return of the DC-DC Output Voltage. Connect RS- to the return terminal at
the load.
Differential Remote-Sense Input of DC-DC Output Voltage. Connect RS+ to the load terminal where the
output must be regulated.
Differential-Sense Input Return of DC-DC Output Current. Connect ISN- to the negative end of the current-
sense resistor (Figure 3). In case of DCR sensing, connect ISN- to the return terminal of filter capacitor C S
(Figure 7).
Differential-Sense Input of DC-DC Output Current. Connect ISN+ to the positive end of the current-sense
resistor. In case of DCR sensing, connect ISN+ to the junction of filter resistor and capacitor (R S and C S )
(Figure 7).
Filter Capacitor Connection for I SENSE Amplifier
Exposed Pad. Connect EP to the AGND plane for the POL for best temperature measurement performance.
Do not use EP as the main ground connection.
8
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8688ALETG/GH9 | 功能描述:电流和电力监控器、调节器 RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
| MAX8688ALETG/GH9-T | 功能描述:电流和电力监控器、调节器 RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
| MAX8688ALETG+ | 功能描述:电流和电力监控器、调节器 Digital Power-Supply Controller/Monitor RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
| MAX8688ALETG+T | 功能描述:电流和电力监控器、调节器 Digital Power-Supply Controller/Monitor RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
| MAX8688BHETG+ | 功能描述:电流和电力监控器、调节器 Digital Power-Supply Controller/Monitor RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
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