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NCP4300A/D

更新时间: 2024-11-07 23:53:27
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8页 66K
描述
Dual Operational Amplifier and Voltage Reference

NCP4300A/D 数据手册

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NCP4300A  
Dual Operational Amplifier  
and Voltage Reference  
The NCP4300A is a monolithic integrated circuit specifically  
designed to control the output current and voltage levels of switch  
mode battery chargers and power supplies. This device contains a  
precision 2.6 V shunt reference and two operational amplifiers.  
Op–Amp 1 is designed to perform voltage control and has its  
non–inverting input internally connected to the reference. Op–Amp 2  
is designed for current control and has both inputs uncommitted. The  
NCP4300A offers the power converter designer a control solution that  
features increased precision with a corresponding reduction in system  
complexity and cost. This device is available in an 8–lead surface  
mount package.  
http://onsemi.com  
MARKING  
DIAGRAM  
8
SO–8  
D SUFFIX  
CASE 751  
N4300  
ALYWX  
8
1
1
Features  
A
L
Y
= Assembly Location  
= Wafer Lot  
= Year  
Operational Amplifier  
Low Input Offset Voltage: 0.5 mV  
Input Common Mode Voltage Range Includes Ground  
Low Supply Current: 210 µA/Op–Amp (@V = 5.0 V)  
W = Work Week  
= Option Code = A  
X
CC  
Medium Unity Gain Bandwidth: 0.7 MHz  
Large Output Voltage Swing: 0 V to V – 1.5 V  
Wide Power Supply Voltage Range: 3.0 V to 35 V  
CC  
PIN CONNECTIONS  
Voltage Reference  
1
2
3
4
8
7
6
5
Out 1  
V
CC  
Fixed Output Voltage Reference: 2.60 V  
High Precision Over Temperature: 1.0%  
Wide Sink Current Range: 80 µA to 80 mA  
In 1–  
In 1+  
GND  
Out 2  
In 2–  
In 2+  
Typical Applications  
Battery Charger  
(Top View)  
Switch Mode Power Supply  
ORDERING INFORMATION  
Device  
Package  
Shipping  
2500/Tape & Reel  
8
V
1
2
3
Output 1  
Inputs 1  
GND  
CC  
NCP4300ADR2  
SO–8  
+
7
6
Output 2  
Inputs 2  
+
2.6 V  
4
5
Figure 1. Functional Block Diagram  
Semiconductor Components Industries, LLC, 2001  
1
Publication Order Number:  
March, 2001 – Rev. 1  
NCP4300A/D  

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