AP2401B34KTR-G1 [DIODES]
Fixed Positive LDO Regulator;
| 型号： | AP2401B34KTR-G1 |
| 厂家： | 
DIODES INCORPORATED |
| 描述： | Fixed Positive LDO Regulator 输出元件 调节器 |
| 文件： | 总23页 (文件大小：1363K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
PART IS OBSOLETE
PLEASE USE AP7312
Data Sheet
200mA DUAL CHANNEL CMOS LDO REGULATOR
AP2401
General Description
Features
The AP2401 series are dual positive voltage regulator
ICs fabricated by CMOS process. Each of these ICs
consists of a voltage reference, two error amplifiers,
two resistor networks for setting output voltages. Each
channel has a current limit circuit for current protec-
tion.
·
Maximum Output Current/Channel: More Than
200mA (300mA Limit)
·
·
·
·
·
High Output Voltage Accuracy: ±2%
Low Quiescent Current/Channel: 25µA Typical
Low Standby Current: 0.1µA Typical
High PSRR: 70dB Typical （f=1kHz)
Extremely Low Noise: 30µVrms (10Hz to
100kHz)
The AP2401 series feature high ripple rejection, low
dropout voltage, low noise, high output voltage accu-
racy, and low current consumption which make them
o
·
Operating Temperature: -40 to 85 C
ideal for use in various battery-powered devices. The · Compatible with Low ESR Ceramic Capacitor
chip enable function allows the output of each channel
to be turned on/off independently, greatly reducing the
power consumption.
Applications
·
·
·
·
·
Mobile Phones, Cordless Phones
Wireless Communication Equipment
Portable Games
Cameras, Video Recorders
Sub-board Power Supplies for Telecom Equip-
ment
The AP2401 series have 1.2V/1.8V, 1.8V/2.5V, 1.8V/
2.8V, 1.8V/3.3V, 2.8V/1.8V and 2.8V/3.3V versions.
The AP2401 are available in standard SOT-23-6 and
DFN-1.8x2-6 packages.
·
Battery Powered Equipment
DFN-1.8x2-6
SOT-23-6
Figure 1. Package Types of AP2401
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Data Sheet
200mA DUAL CHANNEL CMOS LDO REGULATOR
AP2401
Pin Configuration
K Package
DN Package (Note 1)
(DFN-1.8x2-6)
(SOT-23-6)
Pin 1 Mark
Pin 1 Mark
CE1
VIN
VOUT1
GND
6
5
4
1
2
3
VOUT2
CE2
VIN
6
5
4
1
2
3
Exposed
Pad
VOUT1
GND
CE1
CE2
VOUT2
Note 1: The exposed pad should be connected to GND for better dissipation or left open.
Figure 2. Pin Configuration of AP2401 (Top View)
Pin Description
Pin Number
Pin Name
Function
SOT-23-6
DFN-1.8x2-6
1
2
3
4
5
6
3
2
1
6
4
5
CE1
VIN
On/Off Control 1, Logic High=enable; Logic Low=Shutdown
Input Voltage
CE2
On/Off Control 2, Logic High=enable; Logic Low=Shutdown
VOUT2
GND
Output Voltage 2
Ground
VOUT1
Output Voltage 1
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Data Sheet
200mA DUAL CHANNEL CMOS LDO REGULATOR
AP2401
Functional Block Diagram
On/Off
Control
1(3)
Error
Amplifier1
CE1
6(5)
VOUT1
Current
Limit
VR1
Each Circuit
2(2)
5(4)
VIN
GND
VR2
Error
Each Circuit
Amplifier2
4(6)
VOUT2
Current
Limit
3(1)
On/Off
Control
CE2
Voltage
Reference
A(B)
A for SOT-23-6
B for DFN-1.8x2-6
Figure 3. Functional Block Diagram of AP2401
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Data Sheet
200mA DUAL CHANNEL CMOS LDO REGULATOR
AP2401
Ordering Information
AP2401
-
E1: Lead Free
Circuit Type
G1: Green
TR: Tape and Reel
B: Active High
(Without Built-in Pull-down Resistor)
Package
0: Fixed Output 1.2V (Channel 1)
1: Fixed Output 1.8V (Channel 1)
3: Fixed Output 2.8V (Channel 1)
K: SOT-23-6
DN: DFN-1.8x2-6
1: Fixed Output 1.8V (Channel 2)
2: Fixed Output 2.5V (Channel 2)
3: Fixed Output 2.8V (Channel 2)
4: Fixed Output 3.3V (Channel 2)
Part Number
Marking ID
Temperature
Range
Output
Voltages
Packing
Type
Package
Condition
Lead Free
Green
Lead Free Green
Active High With-
out Built-in Pull-
down Resistor
AP2401B01KTR-
E1
AP2401B01KTR-
G1
Tape &
Reel
1.2V/1.8V
1.8V/2.5V
1.8V/2.8V
1.8V/3.3V
2.8V/1.8V
2.8V/3.3V
1.2V/1.8V
1.8V/2.8V
2.8V/3.3V
E8P
E9P
E9Q
E9R
E8R
E8Q
3A
G7Q
G9P
G9Q
G9R
G8R
G8Q
VA
Active High With-
out Built-in Pull-
down Resistor
AP2401B12KTR-
E1
AP2401B12KTR-
G1
Tape &
Reel
Active High With-
out Built-in Pull-
down Resistor
AP2401B13KTR-
E1
AP2401B13KTR-
G1
Tape &
Reel
-40 to 85oC
SOT-23-6
Active High With-
out Built-in Pull-
down Resistor
AP2401B14KTR-
E1
AP2401B14KTR-
G1
Tape &
Reel
Active High With-
out Built-in Pull-
down Resistor
AP2401B31KTR-
E1
AP2401B31KTR-
G1
Tape &
Reel
Active High With-
out Built-in Pull-
down Resistor
AP2401B34KTR-
E1
AP2401B34KTR-
G1
Tape &
Reel
Active High With-
out Built-in Pull-
down Resistor
AP2401B01DNTR- AP2401B01DNTR
E1 -G1
Tape &
Reel
Active High With-
out Built-in Pull-
down Resistor
DFN-
1.8x2-6
AP2401B13DNTR- AP2401B13DNTR
E1
Tape &
Reel
-40 to 85oC
3B
VB
-G1
Active High With-
out Built-in Pull-
down Resistor
AP2401B34DNTR- AP2401B34DNTR
E1
Tape &
Reel
3C
VC
-G1
BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant. Products with
"G1" suffix are available in green packages.
Feb. 2012 Rev. 1. 8
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Data Sheet
200mA DUAL CHANNEL CMOS LDO REGULATOR
AP2401
Absolute Maximum Ratings (Note 2)
Parameter
Symbol
Value
Unit
Input Voltage
VIN
6.5
V
Enable Input Voltage
VCE
OUT1+IOUT
PD
6.5
700
V
Output Current (TA=25oC)
I
2
mA
mW
Power Dissipation (TA=25oC)
Junction Temperature
250
oC
oC
TJ
150
Storage Temperature Range
TSTG
-65 to 150
260
oC
V
Lead Temperature (Soldering, 10sec)
ESD (Human Body Model)
TLEAD
ESD
3000
Note 2: 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 Maximum Ratings" for extended periods
may affect device reliability.
Recommended Operating Conditions
Parameter
Symbol
Min
Max
Unit
Input Voltage
VIN
6
V
oC
Operating Ambient Temperature Range
TA
-40
85
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Data Sheet
200mA DUAL CHANNEL CMOS LDO REGULATOR
AP2401
Electrical Characteristics
(Channel 1/Channel 2: VIN=VOUT+1V, TJ=25oC, CIN=1µF, COUT=1µF, unless otherwise specified.)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Variation from specified
∆VOUT/VOUT
Output Voltage Accuracy
-2
2
%
VOUT, OUT=30mA
I
Input Voltage
VIN
6
V
Maximum Output Current
Load Regulation
IOUT
200
mA
mV
VRLOAD
1mA≤IOUT≤200mA
40
60
VOUT+1V≤VIN≤6V
IOUT=30mA, VCE=VIN
VRLINE
Line Regulation
0.01
0.2
%/V
V
OUT=1.2V
700
60
750
70
VOUT=1.8V
VOUT=2.5V
IOUT=30mA
IOUT=100mA
IOUT=200mA
45
55
V
OUT=2.8V
45
55
VOUT=3.3V
VOUT=1.2V
VOUT=1.8V
VOUT=2.5V
VOUT=2.8V
VOUT=3.3V
VOUT=1.2V
VOUT=1.8V
VOUT=2.5V
VOUT=2.8V
VOUT=3.3V
35
45
800
175
135
135
125
1000
365
275
270
230
900
195
160
160
150
1200
550
500
500
500
VDROP
Dropout Voltage
mV
VCE=VIN=VOUT+1V,
IQ
Quiescent Current
Standby Current
25
0.1
70
45
1
µA
µA
dB
IOUT=0mA
ISTD
PSRR
VCE in OFF mode
Power Supply
Rejection Ratio
Ripple 0.5Vp-p, f=1kHz
VIN=VOUT+1V, IOUT=30mA
Output Voltage
Temperature Coefficient
OUT=30mA, -40oC 85oC
≤TJ≤
ppm/oC
(∆VOUT/VOUT)/∆T
±100
I
Current Limit
ILIMIT
VCE=VIN
300
30
mA
mA
Short Circuit Current
ISHORT
VCE=VIN, VOUT=0
TA=25oC
VNOISE
RMS Output Noise
30
µVrms
10Hz ≤f≤100kHz
CE "High" Voltage
CE "Low" Voltage
CE input voltage "High"
CE input voltage "Low"
SOT-23-6
1.3
6
V
V
0.25
61.3
20
Thermal Resistance
(Junction to Case)
oC/W
θJC
DFN-1.8x2-6
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Data Sheet
200mA DUAL CHANNEL CMOS LDO REGULATOR
AP2401
Typical Performance Characteristics
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
3.0
2.5
2.0
1.5
1.0
0.5
0.0
2.5V (Channel 2)
TJ=-40oC
TJ=25oC
TJ=85oC
1.8V (Channel 1)
TJ=-40oC
TJ=25oC
TJ=85oC
0
50
100
150
200
250
300
350
400
0
50
100
150
200
250
300
350
400
Output Current (mA)
Output Current (mA)
Figure 5. Output Voltage vs. Output Current
Figure 4. Output Voltage vs. Output Current
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
3.0
2.5
2.0
1.5
1.0
0.5
0.0
2.8V (Channel 2)
TJ=-40oC
3.3V (Channel 2)
TJ=-40oC
TJ=25oC
TJ=85oC
TJ=25oC
TJ=85oC
0
50
100
150
200
250
300
350
400
0
50
100
150
200
250
300
350
400
Output Current (mA)
Output Current (mA)
Figure 7. Output Voltage vs. Output Current
Figure 6. Output Voltage vs. Output Current
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Data Sheet
200mA DUAL CHANNEL CMOS LDO REGULATOR
AP2401
Typical Performance Characteristics (Continued)
3.0
2.5
2.0
1.5
1.0
0.5
0.0
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
1.8V (Channel 1)
TJ=25oC
2.5V (Channel 2)
TJ=25oC
VIN=2.1V
VIN=4V
VIN=2.8V
VIN=4V
VIN=6V
VIN=6V
0
50
100
150
200
250
300
350
400
0
50
100
150
200
250
300
350
400
450
Output Current (mA)
Output Current (mA)
Figure 9. Output Voltage vs. Output Current
Figure 8. Output Voltage vs. Output Current
3.0
2.5
2.0
1.5
1.0
0.5
0.0
3.2
2.8
2.4
2.0
1.6
1.2
0.8
0.4
0.0
3.3V (Channel 2)
TJ=25oC
VIN=3.6V
VIN=4V
VIN=6V
2.8V (Channel 2)
TJ=25oC
VIN=3.1V
VIN=4V
VIN=6V
0
50
100
150
200
250
300
350
400
0
50
100
150
200
250
300
350
400
Output Current (mA)
Output Current (mA)
Figure 11. Output Voltage vs. Output Current
Figure 10. Output Voltage vs. Output Current
Feb. 2012 Rev. 1. 8
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Data Sheet
200mA DUAL CHANNEL CMOS LDO REGULATOR
AP2401
Typical Performance Characteristics (Continued)
3.0
2.0
1.8
2.5
1.6
1.4
2.0
1.2
1.5
1.0
2.5V (Channel 2)
TJ=25oC
1.8V (Channel 1)
0.8
TJ=25oC
1.0
0.6
IOUT=0mA
IOUT=0mA
IOUT=30mA
IOUT=100mA
0.4
0.2
0.0
IOUT=30mA
0.5
0.0
IOUT=100mA
0
1
2
3
4
5
6
0
1
2
3
4
5
6
Input Voltage (V)
Input Voltage (V)
Figure 13. Output Voltage vs. Input Voltage
Figure 12. Output Voltage vs. Input Voltage
3.0
2.5
2.0
1.5
1.0
0.5
0.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
2.8V (Channel 2)
TJ=25oC
3.3V (Channel 2)
TJ=25oC
IOUT=0mA
IOUT=0mA
IOUT=30mA
IOUT=100mA
IOUT=30mA
IOUT=100mA
0
1
2
3
4
5
6
0
1
2
3
4
5
6
Input Voltage (V)
Input Voltage (V)
Figure 15. Output Voltage vs. Input Voltage
Figure 14. Output Voltage vs. Input Voltage
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Data Sheet
200mA DUAL CHANNEL CMOS LDO REGULATOR
AP2401
Typical Performance Characteristics (Continued)
500
450
400
350
300
250
200
150
100
50
600
550
500
450
400
350
300
250
200
150
100
50
1.8V (Channel 1)
TJ=-40oC
2.5V (Channel 2)
TJ=-40oC
TJ=25oC
TJ=85oC
TJ=25oC
TJ=85oC
0
0
0
25
50
75
100
125
150
175
200
0
25
50
75
100
125
150
175
200
Output Current (mA)
Output Current (mA)
Figure 17. Dropout Voltage vs. Output Current
Figure 16. Dropout Voltage vs. Output Current
500
450
400
350
300
250
200
150
100
50
500
450
2.8V (Channel 2)
3.3V (Channel 2)
TJ=-40oC
TJ=-40oC
400
350
300
TJ=25oC
TJ=85oC
TJ=25oC
TJ=85oC
250
200
150
100
50
0
0
0
25
50
75
100
125
150
175
200
0
25
50
75
100
125
150
175
200
Output Current (mA)
Output Current (mA)
Figure 19. Dropout Voltage vs. Output Current
Figure 18. Dropout Voltage vs. Output Current
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Data Sheet
200mA DUAL CHANNEL CMOS LDO REGULATOR
AP2401
Typical Performance Characteristics (Continued)
2.56
2.54
2.52
2.50
2.48
2.46
2.44
1.84
1.83
1.82
1.81
1.80
1.79
1.78
1.77
1.76
1.8V (Channel 1)
VIN=2.8V
2.5V (Channel 2)
VIN=3.5V
IOUT=30mA
IOUT=30mA
-25
0
25
50
75
-25
0
25
50
75
Junction Temperature (oC)
Junction Temperature (oC)
Figure 21. Output Voltage vs. Junction Temperature
Figure 20. Output Voltage vs. Junction Temperature
2.86
2.84
2.82
2.80
3.34
3.32
3.30
3.28
2.78
3.26
2.8V (Channel 2)
3.3V (Channel 2)
VIN=3.8V
VIN=4.3V
2.76
3.24
IOUT=30mA
IOUT=30mA
2.74
3.22
-40
-25
0
25
50
75
-20
0
20
40
60
80
Junction Temperature (oC)
Junction Temperature (oC)
Figure 22. Output Voltage vs. Junction Temperature
Figure 23. Output Voltage vs. Junction Temperature
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Data Sheet
200mA DUAL CHANNEL CMOS LDO REGULATOR
AP2401
Typical Performance Characteristics (Continued)
90
90
2.5V (Channel 2)
TJ=-40oC
1.8V (Channel 1)
TJ=-40oC
75
75
TJ=25oC
TJ=85oC
TJ=25oC
TJ=85oC
60
60
45
45
30
30
15
0
15
0
0
1
2
3
4
5
6
0
1
2
3
4
5
6
Input Voltage (V)
Input Voltage (V)
Figure 24. Quiescent Current vs. Input Voltage
Figure 25. Quiescent Current vs. Input Voltage
90
90
3.3V (Channel 2)
TJ=-40oC
2.8V (Channel 2)
TJ=-40oC
75
60
45
30
15
0
75
60
45
30
15
0
TJ=25oC
TJ=85oC
TJ=25oC
TJ=85oC
0
1
2
3
4
5
6
0
1
2
3
4
5
6
Input Voltage (V)
Input Voltage (V)
Figure 27. Quiescent Current vs. Input Voltage
Figure 26. Quiescent Current vs. Input Voltage
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Data Sheet
200mA DUAL CHANNEL CMOS LDO REGULATOR
AP2401
Typical Performance Characteristics (Continued)
31.0
30.5
30.0
29.5
29.0
28.5
28.0
27.5
27.0
26.5
26.0
30.0
29.5
29.0
28.5
28.0
27.5
27.0
26.5
26.0
25.5
25.0
24.5
24.0
2.5V (Channel 2)
VIN=3.5V
1.8V (Channel 1)
VIN=2.8V
IOUT=0
IOUT=0
-25
0
25
50
75
-25
0
25
50
75
Junction Temperature (oC)
Junction Temperature (oC)
Figure 29. Quiescent Current vs. Junction Temperature
Figure 28. Quiescent Current vs. Junction Temperature
32.0
31.0
31.5
30.5
3.3V (Channel 2)
VIN=4.3V
2.8V (Channel 2)
VIN=3.8V
31.0
30.5
30.0
29.5
IOUT=0
IOUT=0
30.0
29.5
29.0
28.5
28.0
27.5
27.0
29.0
28.5
28.0
27.5
27.0
26.5
26.0
-25
0
25
50
75
-25
0
25
50
75
Junction Temperature (oC)
Junction Temperature (oC)
Figure 31. Quiescent Current vs. Junction Temperature
Figure 30. Quiescent Current vs. Junction Temperature
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Data Sheet
200mA DUAL CHANNEL CMOS LDO REGULATOR
AP2401
Typical Performance Characteristics (Continued)
7
6
6
5
2.5V (Channel 2)
1.8V (Channel 1)
5
4
4
3
50
0
50
0
-50
-50
-100
-100
Time (40µs/Div)
Time (40µs/Div)
Figure 33. Line Transient
Figure 32. Line Transient
(Conditions: IOUT=30mA, CIN=100nF, COUT=1µF)
(Conditions: IOUT=30mA, CIN=100nF, COUT=1µF)
7
7
1.8V/2.5V
(Channel 1/Channel 2)
2.8V (Channel 2)
6
5
4
6
5
4
∆V
2
1
OUT
0
100
50
0
∆V
OUT
-50
0
-100
-200
-100
-150
-50
-100
Time (40µs/Div)
Time (40µs/Div)
Figure 34. Line Transient
Figure 35. Line Transient
(Conditions: channel 1 and 2 on, IOUT=30mA,
CIN=100nF, COUT=1µF)
(Conditions: IOUT=30mA, CIN=100nF, COUT=1µF)
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Data Sheet
200mA DUAL CHANNEL CMOS LDO REGULATOR
AP2401
Typical Performance Characteristics (Continued)
300
200
7
6
5
4
1.8V (Channel 1)
1.8V/2.5V
(Channel 1/Channel 2)
100
0
-100
∆V
2
1
OUT
100
100
0
0
∆V
OUT
-50
0
-100
-200
-100
-200
-300
-100
-150
Time (40µs/Div)
Time (100µs/Div)
Figure 37. Load Transient
Figure 36. Line Transient
(Conditions: channel 1 and 2 on, IOUT=30mA, CIN=COUT=1µF)
(Conditions: IOUT=10 to 200mA, CIN=COUT=1µF)
300
200
200
2.8V (Channel 2)
100
2.5V (Channel 2)
100
0
0
-100
-100
-200
100
0
100
0
-100
-200
-300
-100
-200
-300
Time (100µs/Div)
Time (100µs/Div)
Figure 38. Load Transient
Figure 39. Load Transient
(Conditions: IOUT=10 to 200mA, CIN=COUT=1µF)
(Conditions: IOUT=10 to 200mA, CIN=COUT=1µF)
Feb. 2012 Rev. 1. 8
BCD Semiconductor Manufacturing Limited
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PART IS OBSOLETE
PLEASE USE AP7312
Data Sheet
200mA DUAL CHANNEL CMOS LDO REGULATOR
AP2401
Typical Performance Characteristics (Continued)
200
20
0
300
1.8V/2.5V
(Channel 1/Channel 2)
100
3.3V (Channel 2)
200
0
∆V
1
OUT
-20
100
0
-100
-40
-200
∆V
2
OUT
100
100
0
50
-100
-200
-300
0
-50
Time (100µs/Div)
Time (100µs/Div)
Figure 40. Load Transient
Figure 41. Cross Talk 1
(Conditions: channel 1 and 2 on, IOUT1=30mA,
(Conditions: IOUT=10 to 200mA, CIN=COUT=1µF)
IOUT2=10 to 100mA, CIN=COUT=1µF)
300
20
100
60
40
1.8V/2.8V
(Channel 1/Channel 2)
1.8V/2.5V
(Channel 1/Channel 2)
200
0
-20
-40
0
∆V
1
∆V
1
OUT
OUT
100
0
-100
20
0
-200
∆V
2
∆V
2
OUT
OUT
100
50
100
50
0
0
-50
-50
Time (100µs/Div)
Time (100µs/Div)
Figure 43. Cross Talk 3
Figure 42. Cross Talk 2
(Conditions: channel 1 and 2 on, IOUT1=30mA,
(Conditions: channel 1 and 2 on, IOUT1=10 to 100mA,
IOUT2=10 to 100mA, CIN=COUT=1µF)
IOUT2=30mA, CIN=COUT=1µF)
Feb. 2012 Rev. 1. 8
BCD Semiconductor Manufacturing Limited
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PART IS OBSOLETE
PLEASE USE AP7312
Data Sheet
200mA DUAL CHANNEL CMOS LDO REGULATOR
AP2401
Typical Performance Characteristics (Continued)
300
200
100
0
20
60
40
100
1.8V/3.3V
(Channel 1/Channel 2)
1.8V/2.8V
(Channel 1/Channel 2)
0
-20
-40
0
∆V
1
OUT
∆V
1
OUT
20
0
-100
-200
∆V
2
OUT
∆V
2
OUT
100
50
100
50
0
0
-50
-50
Time (100µs/Div)
Time (100µs/Div)
Figure 44. Cross Talk 4
Figure 45. Cross Talk 5
(Conditions: channel 1 and 2 on, IOUT1=30mA,
(Conditions: channel 1 and 2 on, IOUT1=10 to 100mA,
IOUT2=10 to 100mA, CIN=COUT=1µF)
IOUT2=30mA, CIN=COUT=1µF)
50
0
60
150
100
1.8V/2.5V
1.8V/3.3V
(Channel 1/Channel 2)
(Channel 1/Channel 2)
100
50
0
40
0
∆V
1
∆V
1
OUT
OUT
-50
20
0
-100
-200
-100
∆V
2
∆V
2
OUT
OUT
100
300
200
100
50
0
I
1
OUT
0
-100
100
0
I
2
OUT
-200
-50
Time (100µs/Div)
Time (100µs/Div)
Figure 46. Cross Talk 6
Figure 47. Cross Talk 7
(Conditions: channel 1 and 2 on, IOUT1=10 to 100mA,
(Conditions: channel 1 and 2 on, IOUT1=IOUT2=10 to 100mA,
IOUT2=30mA, CIN=COUT=1µF)
CIN=COUT=1µF)
Feb. 2012 Rev. 1. 8
BCD Semiconductor Manufacturing Limited
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PART IS OBSOLETE
PLEASE USE AP7312
Data Sheet
200mA DUAL CHANNEL CMOS LDO REGULATOR
AP2401
Typical Performance Characteristics (Continued)
50
150
100
150
100
50
50
0
1.8V/3.3V
(Channel 1/Channel 2)
1.8V/2.8V
(Channel 1/Channel 2)
0
-50
∆V
1
∆V
1
OUT
OUT
50
0
-50
-100
-100
0
∆V
2
OUT
∆V
2
OUT
100
0
300
200
100
0
300
200
I
1
I
1
2
OUT
OUT
-100
-200
100
0
-100
-200
100
0
I
I
2
OUT
OUT
Time (100µs/Div)
Time (100µs/Div)
Figure 48. Cross Talk 8
Figure 49. Cross Talk 9
(Conditions: channel 1 and 2 on, IOUT1=IOUT2=10 to 100mA,
(Conditions: channel 1 and 2 on, IOUT1=IOUT2=10 to 100mA,
CIN=COUT=1µF)
CIN=COUT=1µF)
100
10
3
1.8V/2.8V
(Channel 1/Channel 2)
2
1
0
V
1
OUT
1
Stable Area
0
-1
-2
-3
3
2
1
0
0.1
V
2
OUT
0.01
0
25
50
75
100
125
150
175
200
Output Current (mA)
Time (10µs/Div)
Figure 50. Enable Voltage vs. Output Voltage
Figure 51. ESR vs. Output Current
(Conditions: VCE1=VCE2=0 to 2V, IOUT=0mA, CIN=COUT=1µF)
Feb. 2012 Rev. 1. 8
BCD Semiconductor Manufacturing Limited
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PART IS OBSOLETE
PLEASE USE AP7312
Data Sheet
200mA DUAL CHANNEL CMOS LDO REGULATOR
AP2401
Typical Performance Characteristics (Continued)
100
90
80
70
60
50
40
30
20
10
0
100
90
80
70
60
50
40
30
20
10
0
2.5V (Channel 2)
VIN=3.5V
1.8V (Channel 1)
VIN=2.8V
IOUT=30mA
IOUT=30mA
COUT=1µF
COUT=1µF
10
100
1k
10k
100k
10
100
1k
10k
100k
Frequency (Hz)
Frequency (Hz)
Figure 52. PSRR vs. Frequency
Figure 53. PSRR vs. Frequency
100
90
80
70
60
50
40
30
20
10
0
100
90
80
70
60
50
40
30
20
10
0
3.3V (Channel 2)
2.8V (Channel 2)
VIN=4.3V
IOUT=30mA
COUT=1µF
VIN=3.8V
IOUT=30mA
COUT=1µF
10
100
1k
10k
100k
10
100
1k
10k
100k
Frequency (Hz)
Frequency (Hz)
Figure 54. PSRR vs. Frequency
Figure 55. PSRR vs. Frequency
Feb. 2012 Rev. 1. 8
BCD Semiconductor Manufacturing Limited
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PART IS OBSOLETE
PLEASE USE AP7312
Data Sheet
200mA DUAL CHANNEL CMOS LDO REGULATOR
AP2401
Typical Application
AP2401B12
VIN=3.5V
V =1.8V
OUT1
VOUT
1
2
VIN
CE1
VOUT1
COUT
1
1µF
VIN
GND
CIN
V
OUT2
=2.5V
1µF
VOUT
CE2 VOUT2
C
OUT2
1µF
Figure 56. Typical Application of AP2401
Feb. 2012 Rev. 1. 8
BCD Semiconductor Manufacturing Limited
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PART IS OBSOLETE
PLEASE USE AP7312
Data Sheet
200mA DUAL CHANNEL CMOS LDO REGULATOR
AP2401
Mechanical Dimensions
SOT-23-6
Unit: mm(inch)
0°
8°
2.820(0.111)
3.020(0.119)
0.300(0.012)
0.400(0.016)
0.200(0.008)
0.300(0.012)
0.600(0.024)
5
6
4
Pin 1 Mark
1
2
3
0.700(0.028)REF
0.950(0.037)TYP
0.100(0.004)
0.200(0.008)
0.000(0.000)
0.150(0.006)
1.800(0.071)
2.000(0.079)
0.900(0.035)
1.300(0.051)
1.450(0.057)
MAX
Feb. 2012 Rev. 1. 8
BCD Semiconductor Manufacturing Limited
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PART IS OBSOLETE
PLEASE USE AP7312
Data Sheet
200mA DUAL CHANNEL CMOS LDO REGULATOR
AP2401
Mechanical Dimensions (Continued)
DFN-1.8x2-6
Unit: mm(inch)
1.700(0.067)
0.500(0.020)
TYP
0.180(0.007)
0.280(0.011)
1.900(0.075)
N4
N6
0.200(0.008)
MIN
1.900(0.075)
2.100(0.083)
0.900(0.035)
REF
0.174(0.007)
0.326(0.013)
N3
N1
1.400(0.055)
REF
Pin 1 Mark
0.000(0.000)
0.050(0.002)
0.150(0.006)
REF
0.550(0.022)
0.650(0.026)
Feb. 2012 Rev. 1. 8
BCD Semiconductor Manufacturing Limited
22
PART IS OBSOLETE
PLEASE USE AP7312
BCD Semiconductor Manufacturing Limited
http://www.bcdsemi.com
CD Semiconductor Manufacturing Limited reserves the right to make changes without further notice to any products or specifi-
cations herein. BCD Semiconductor Manufacturing Limited does not assume any responsibility for use of any its products for any
cular purpose, nor does BCD
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