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鈭扐mp 1 is designed to perform voltage control and has its
non鈭抜nverting input internally connected to the reference. Op鈭扐mp 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鈭抣ead surface
mount package.
Features
Operational Amplifier
http://onsemi.com
MARKING
DIAGRAM
8
8
1
SO鈭?
D SUFFIX
CASE 751
1
A
L
Y
W
X
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Option Code = A
N4300
ALYWX
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Low Input Offset Voltage: 0.5 mV
Input Common Mode Voltage Range Includes Ground
Low Supply Current: 210
碌A(chǔ)/Op鈭扐mp
(@V
CC
= 5.0 V)
Medium Unity Gain Bandwidth: 0.7 MHz
Large Output Voltage Swing: 0 V to V
CC
鈭?1.5 V
Wide Power Supply Voltage Range: 3.0 V to 35 V
PIN CONNECTIONS
Out 1 1
In 1鈭?2
In 1+ 3
GND 4
(Top View)
8
7
6
5
V
CC
Out 2
In 2鈭?/div>
In 2+
Voltage Reference
鈥?/div>
Fixed Output Voltage Reference: 2.60 V
鈥?/div>
High Precision Over Temperature: 1.0%
鈥?/div>
Wide Sink Current Range: 80
碌A(chǔ)
to 80 mA
Typical Applications
鈥?/div>
Battery Charger
鈥?/div>
Switch Mode Power Supply
ORDERING INFORMATION
Device
Output 1
1
+
7
+
3
2.6 V
GND
4
5
鈭?/div>
6
Inputs 2
Output 2
鈭?/div>
2
Inputs 1
8
V
CC
NCP4300ADR2
Package
SO鈭?
Shipping鈥?/div>
2500/Tape & Reel
鈥燜or information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
Figure 1. Functional Block Diagram
漏
Semiconductor Components Industries, LLC, 2003
1
December, 2003 鈭?Rev. 2
Publication Order Number:
NCP4300A/D
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