参数资料
型号: MAX1865TEEP+T
厂商: Maxim Integrated Products
文件页数: 9/25页
文件大小: 0K
描述: IC PWR SUPPLY CONTROLLER 20QSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
应用: 电源控制器
输入电压: 4.5 V ~ 28 V
电流 - 电源: 1.4mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-SSOP(0.154",3.90mm 宽)
供应商设备封装: 20-QSOP
包装: 带卷 (TR)
xDSL/Cable Modem Triple/Quintuple Output
Power Supplies
Pin Description
MAX1864
PIN
MAX1865
NAME
FUNCTION
Open-Drain Power-Good Output. POK is low when the output voltage is more than
1
1
POK
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
3
2
3
COMP
OUT
Compensation Pin. Connect a series RC to GND to compensate the control loop.
Typical values are 47k Ω and 8.2nF.
Regulated Output Voltage High-Impedance Sense Input. Internally connected to a
resistive-divider and negative gain block (MAX1865).
Dual Mode Switching-Regulator Feedback Input. Connect to GND for the preset 3.3V
4
4
FB
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.
Open-Drain Output PNP Transistor Driver (Regulator #2). Internally connected to the
5
5
B2
drain of a DMOS. B2 connects to the base of an external PNP pass transistor to form a
positive linear regulator.
Analog Gain-Block Feedback Input (Regulator #2). Connect to a resistive-divider
6
6
FB2
between the positive linear regulator’s output and GND to adjust the output voltage.
The feedback set point is 1.24V.
Open-Drain Output PNP Transistor Driver (Regulator #3). Internally connected to the
7
7
B3
drain of a DMOS. B3 connects to the base of an external PNP pass transistor to form a
positive linear regulator.
Analog Gain-Block Feedback Input (Regulator #3). Connect to a resistive-divider
8
8
FB3
between the positive linear regulator’s output and GND to adjust the output voltage.
The feedback set point is 1.24V.
Open-Drain Output PNP Transistor Driver (Regulator #4). Internally connected to the
9
B4
drain of a DMOS. B4 connects to the base of an external PNP pass transistor to form a
positive linear regulator.
Analog Gain-Block Feedback Input (Regulator #4). Connect to a resistive-divider
10
FB4
between the positive linear regulator’s output and GND to adjust the output voltage.
The feedback set point is 1.24V.
Open-Drain Output NPN Transistor Driver (Regulator #5). Internally connected to the
11
B5
drain of a P-channel MOSFET. B5 connects to the base of an external NPN pass
transistor to form a negative linear regulator.
Analog Gain-Block Feedback Input (Regulator #5). Connect to a resistive-divider
12
FB5
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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MAX1865UEEP 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
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