Data Sheet
DUAL OP AMP AND VOLTAGE REFERENCE
General Description
The AP4300 is a monolithic IC specifically designed
to regulate the output current and voltage levels of
switching battery chargers and power supplies.
The device contains two operational amplifiers and a
precision shunt regulator. Op Amp 1 is designed for
voltage control, whose non-inverting input internally
connects to the output of the shunt regulator. Op Amp
2 is for current control with both inputs uncommitted.
The IC offers the power converter designer a control
solution that features increased precision with a corre-
sponding reduction in system complexity and cost.
The AP4300 is available in standard packages of DIP-
8 and SOIC-8.
AP4300
Features
Op Amp
·
Input Offset Voltage: 0.5mV
·
Supply Current: 250µA per Op Amp at 5.0V Sup-
ply Voltage
·
Unity Gain Bandwidth: 1MHz
·
Output Voltage Swing: 0 to (V
CC
-1.5) V
·
Power Supply Range: 3 to 18V
Voltage Reference
·
Fixed Output Voltage Reference: 2.5V, 2.6V
·
Voltage Tolerance: 0.5%, 1%
·
Sink Current Capability from 0.1 to 80mA
Applications
·
·
Battery Charger
Switching Power Supply
SOIC-8
DIP-8
Figure 1. Package Types of AP4300
Apr. 2007 Rev. 1. 4
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BCD Semiconductor Manufacturing Limited
Data Sheet
DUAL OP AMP AND VOLTAGE REFERENCE
Pin Configuration
AP4300
M Package/P Package
(SOIC-8/DIP-8)
OUTPUT 1
INPUT 1-
INPUT 1+/V
KA
GND
1
2
3
4
8
7
6
5
V
CC
OUTPUT 2
INPUT 2-
INPUT 2+
Top View
Figure 2. Pin Configuration of AP4300
Functional Block Diagram
OUTPUT 1
1
8
V
CC
-
2
INPUT 1
+
7
OUTPUT 2
+
3
-
6
INPUT 2
GND
4
5
Figure 3. Functional Block Diagram of AP4300
Apr. 2007 Rev. 1. 4
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BCD Semiconductor Manufacturing Limited
Data Sheet
DUAL OP AMP AND VOLTAGE REFERENCE
Functional Block Diagram (Continued)
V
CC
AP4300
6µA
4µA
100µA
Q5
Q6
Q2
INPUT-
Q1
Q3
Q4
Rsc
OUTPUT
INPUT+
Q11
Q10
Q8
Q9
Q12
50µA
Q13
Cc
Q7
Figure 4. Op Amp Functional Block Diagram
(Each Amplifier)
V
KA
20µA
20µA
GND
Figure 5. Voltage Reference Functional Block Diagram
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BCD Semiconductor Manufacturing Limited
Data Sheet
DUAL OP AMP AND VOLTAGE REFERENCE
Ordering Information
AP4300
Circuit Type
Voltage Tolerance
A: 0.5%
B: 1%
Package
M: SOIC-8
P: DIP-8
-
E1: Lead Free
AP4300
Blank: Tin Lead
TR: Tape and Reel
Blank: Tube
Output Voltage Reference
A: 2.6V
B: 2.5V
Package
Refer-
ence
Voltage
2.6V
Voltage
Tolerance
0.5%
1%
0.5%
1%
0.5%
Tempera-
ture Range
Part Number
Tin Lead
AP4300AP-A
Lead Free
AP4300AP-AE1
AP4300BP-AE1
AP4300AP-BE1
AP4300BP-BE1
AP4300AM-AE1
Marking ID
Tin Lead
AP4300AP-A
AP4300BP-A
AP4300AP-B
AP4300BP-B
Lead Free
AP4300AP-AE1
AP4300BP-AE1
AP4300AP-BE1
AP4300BP-BE1
Packing
Type
DIP-8
2.5V
-40 to 105
o
C
AP4300BP-A
AP4300AP-B
AP4300BP-B
AP4300AM-A
Tube
AP4300AM-A AP4300AM-AE1
Tube
Tape
& Reel
Tube
Tape
& Reel
Tube
Tape
& Reel
Tube
Tape
& Reel
AP4300AM-ATR AP4300AM-ATRE1 AP4300AM-A AP4300AM-AE1
AP4300BM-A
AP4300BM-AE1
AP4300BM-A AP4300BM-AE1
2.6V
1%
SOIC-8
0.5%
2.5V
1%
-40 to 105 C
o
AP4300BM-ATR AP4300BM-ATRE1 AP4300BM-A AP4300BM-AE1
AP4300AM-B
AP4300AM-BE1
AP4300AM-B AP4300AM-BE1
AP4300AM-BTR AP4300AM-BTRE1 AP4300AM-B AP4300AM-BE1
AP4300BM-B
AP4300BM-BE1
AP4300BM-B AP4300BM-BE1
AP4300BM-BTR AP4300BM-BTRE1 AP4300BM-B AP4300BM-BE1
BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant.
Apr. 2007 Rev. 1. 4
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BCD Semiconductor Manufacturing Limited
Data Sheet
DUAL OP AMP AND VOLTAGE REFERENCE
Absolute Maximum Ratings (Note 1)
Parameter
Power Supply Voltage (V
CC
to GND)
Op Amp 1 and 2 Input Voltage Range (Pins 2, 5, 6)
Op Amp 2 Input Differential Voltage (Pins 5, 6)
Voltage Reference Cathode Current (Pin 3)
Power Dissipation (T
A
=25 C)
Operating Junction Temperature
Storage Temperature Range
Lead Temperature (Soldering 10s)
o
AP4300
Symbol
V
CC
V
IN
V
ID
I
K
DIP-8
P
D
T
J
T
STG
T
L
Value
20
-0.3 to V
CC
+0.3
20
100
800
500
150
-65 to 150
260
Unit
V
V
V
mA
mW
o
o
o
SOIC-8
C
C
C
Note 1: Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the
device. These are stress ratings only, and functional operation of the device at these or any other conditions
beyond those indicated under "Recommended Operating Conditions" is not implied. Exposure to "Absolute Max-
imum Ratings" for extended periods may affect device reliability.
Recommended Operating Conditions
Parameter
Supply Voltage
Ambient Temperature
Min
3
-40
Max
18
105
Unit
V
o
C
Apr. 2007 Rev. 1. 4
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BCD Semiconductor Manufacturing Limited
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