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參數(shù)資料
| 型號： | MAX1865 |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | 數(shù)字信號處理 |
| 英文描述： | Fixed-Point Digital Signal Processor 352-FCBGA |
| 中文描述： | 用于xDSL/電纜調(diào)制解調(diào)器的三/五路輸出電源 |
| 文件頁數(shù)： | 9/25頁 |
| 文件大?。?/td> | 384K |
| 代理商： | MAX1865 |
M
xDSL/Cable Modem Triple/Quintuple Output
Power Supplies
_______________________________________________________________________________________
9
Pin Description
PIN
MAX1864
MAX1865
NAME
FUNCTION
1
1
POK
Open-Drain Power-Good Output. POK is low when the output voltage is more than
10% below the regulation point. POK is high impedance when the output is in
regulation. Connect a resistor between POK and VL for logic-level voltages.
2
2
COMP
Compensation Pin. Connect a series RC to GND to compensate the control loop.
Typical values are 47k
and 8.2nF.
3
3
OUT
Regulated Output Voltage High-Impedance Sense Input. Internally connected to a
resistive-divider and negative gain block (MAX1865).
4
4
FB
Dual-Mode Switching-Regulator Feedback Input. Connect to GND for the preset 3.3V
output. Connect to a resistive-divider from output to FB to GND to adjust the output
voltage between 1.236V and 0.8
V
IN
. The feedback set point is 1.236V.
5
5
B2
Open-Drain Output PNP Transistor Driver (Regulator #2). Internally connected to the
drain of a DMOS. B2 connects to the base of an external PNP pass transistor to form a
positive linear regulator.
6
6
FB2
Analog Gain-Block Feedback Input (Regulator #2). Connect to a resistive-divider
between the positive linear regulator
’
s output and GND to adjust the output voltage.
The feedback set point is 1.24V.
7
7
B3
Open-Drain Output PNP Transistor Driver (Regulator #3). Internally connected to the
drain of a DMOS. B3 connects to the base of an external PNP pass transistor to form a
positive linear regulator.
8
8
FB3
Analog Gain-Block Feedback Input (Regulator #3). Connect to a resistive-divider
between the positive linear regulator
’
s output and GND to adjust the output voltage.
The feedback set point is 1.24V.
—
9
B4
Open-Drain Output PNP Transistor Driver (Regulator #4). Internally connected to the
drain of a DMOS. B4 connects to the base of an external PNP pass transistor to form a
positive linear regulator.
—
10
FB4
Analog Gain-Block Feedback Input (Regulator #4). Connect to a resistive-divider
between the positive linear regulator
’
s output and GND to adjust the output voltage.
The feedback set point is 1.24V.
—
11
B5
Open-Drain Output NPN Transistor Driver (Regulator #5). Internally connected to the
drain of a P-channel MOSFET. B5 connects to the base of an external NPN pass
transistor to form a negative linear regulator.
—
12
FB5
Analog Gain-Block Feedback Input (Regulator #5). Connect to a resistive-divider
between the negative linear regulator
’
s output and a positive reference voltage,
typically one of the positive linear regulator outputs, to adjust the output voltage. The
feedback set point is at GND.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1865TEEP | 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel |
| MAX1865TEEP+ | 功能描述:DC/DC 開關(guān)控制器 xDSL/Cable Modem Triple/Quint Output RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| MAX1865TEEP+T | 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 xDSL/Cable Modem Triple/Quint Output RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel |
| MAX1865TEEP-T | 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel |
| MAX1865UEEP | 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel |
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