Diodes AP2115 User Manual
1A LOW NOISE CMOS LDO REGULATOR WITH ENABLE AP2115
Preliminary Datasheet
General Description
The AP2115 is CMOS process low dropout linear
regulator with enable function, the regulator delivers
a guaranteed 1A (min.) continuous load current.
The AP2115 features low power consumption.
The AP2115 is available in 1.2V, 1.8V, 2.5V and
3.3V regulator output, and available in excellent
output accuracy ±1.5%, it is also available in an
excellent load regulation and line regulation
performance.
The AP2115 is available in standard packages of
SOIC-8 and SOT-89-5.
Features
• Output Voltage Accuracy: ±1.5%
• Output Current: 1A (Min.)
• Fold-back Short Current Protection: 50mA
• Low Dropout Voltage (3.3V): 450mV (Typ.)
@ I
• Stable with 4.7µF Flexible Cap: Ceramic,
• Excellent Line Regulation: 0.02%/V (Typ.),
• Excellent Load Regulation: 0.2%/A @
• Low Quiescent Current: 60µA (1.2V/1.8V/
• Low Output Noise: 30µV
• PSRR: 68dB @ Freq=1kHz (1.2V/1.8V)
• OTSD Protection
• Operation Temperature Range: -40°C to 85°C
• ESD: MM 400V, HBM 4000V
=1A
OUT
Tantalum and Aluminum Electrolytic
0.1%/V (Max.) @ I
I
=1mA to 1A
OUT
2.5V)
OUT
=30mA
RMS
Applications
• LCD Monitor
• LCD TV
• STB
SOIC-8 SOT-89-5
Figure 1. Package Types of AP2115
Jul. 2011 Rev 1. 1 BCD Semiconductor Manufacturing Limited
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Preliminary Datasheet
1A LOW NOISE CMOS LDO REGULATOR WITH ENABLE AP2115
Pin Configuration
R5 Package
（SOT-89-5）
R5 R5A
VOUT VIN
45
123
NC GND EN
M Package
（SOIC-8）
Figure 2. Pin Configuration of AP2115 (Top View)
Pin Descriptions
Pin No.
SOT-89-5 SOIC-8
1 2, 3, 4 NC/EN No connection/Chip Enable
2 6, 7 GND GND
3 5 EN/NC
4 8 VIN Input Voltage
5 1 VOUT Output Voltage
Name Function
Chip Enable, H – normal work, L – shutdown output/ No
Connection
Jul. 2011 Rev 1. 1 BCD Semiconductor Manufacturing Limited
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Preliminary Datasheet
1A LOW NOISE CMOS LDO REGULATOR WITH ENABLE AP2115
Functional Block Diagram
Figure 3. Functional Block Diagram of AP2115
Jul. 2011 Rev 1. 1 BCD Semiconductor Manufacturing Limited
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Preliminary Datasheet
1A LOW NOISE CMOS LDO REGULATOR WITH ENABLE AP2115
Ordering Information
AP2115 -
G1: Green
Circuit Type
Package
Blank: Tube
M: SOIC-8
R5: SOT-89-5
Package
SOIC-8
SOT-89-5
SOT-89-5
BCD Semiconductor's Pb-free products, as designated with "G1" suffix in the part number, are RoHS compliant
and green.
Temperature
Range
-40 to 85°C
-40 to 85°C
-40 to 85°C
Condition Part Number Marking ID
1.2V
1.8V
2.5V
3.3V
1.2V (R5) AP2115R5-1.2TRG1 G22G Tape & Reel
1.8V (R5) AP2115R5-1.8TRG1 G22H Tape & Reel
2.5V (R5) AP2115R5-2.5TRG1 G37H Tape & Reel
3.3V (R5) AP2115R5-3.3TRG1 G41H Tape & Reel
1.2V (R5A) AP2115R5A-1.2TRG1 G27D Tape & Reel
1.8V (R5A) AP2115R5A-1.8TRG1 G27G Tape & Reel
2.5V (R5A) AP2115R5A-2.5TRG1 G41F Tape & Reel
3.3V (R5A) AP2115R5A-3.3TRG1 G41G Tape & Reel
AP2115M-1.2G1 2115M-1.2G1 Tube
AP2115M-1.2TRG1 2115M-1.2G1 Tape & Reel
AP2115M-1.8G1 2115M-1.8G1 Tube
AP2115M-1.8TRG1 2115M-1.8G1 Tape & Reel
AP2115M-2.5G1 2115M-2.5G1 Tube
AP2115M-2.5TRG1 2115M-2.5G1 Tape & Reel
AP2115M-3.3G1 2115M-3.3G1 Tube
AP2115M-3.3TRG1 2115M-3.3G1 Tape & Reel
TR: Tape & Reel
1.2V: Fixed Output 1.2V
1.8V: Fixed Output 1.8V
2.5V: Fixed Output 2.5V
3.3V: Fixed Out
ut 3.3V
Packing
Type
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Preliminary Datasheet
1A LOW NOISE CMOS LDO REGULATOR WITH ENABLE AP2115
Absolute Maximum Ratings (Note 1)
Parameter Symbol Value Unit
Power Supply Voltage VCC 6.5 V
Operating Junction Temperature
Range
Storage temperature Range T
Lead Temperature (Soldering,10
Seconds)
ESD (Machine Model)
ESD (Human Body Model) 4000 V
150 ºC
T
J
-65 to 150 ºC
STG
260 ºC
T
LEAD
400 V
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
Maximum Ratings” for extended periods may affect device reliability.
Recommended Operating Conditions
Parameter Symbol Min Max Unit
Supply Voltage VIN 2.5 6.0 V
Ambient Operation Temperature
Range
-40 85 °C
T
A
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N
Preliminary Datasheet
1A LOW NOISE CMOS LDO REGULATOR WITH ENABLE AP2115
Electrical Characteristics
AP2115-1.2 Electrical Characteristics (Note 2)
VIN=2.5V, CIN=4.7µF (Ceramic), C
ranges, unless otherwise specified (Note 3).
Parameter Symbol Test Conditions Min Typ Max Unit
=4.7µF (Ceramic), Typical T
OUT
=25°C, Bold typeface applies over -40°C≤T
A
≤85°C
J
Output Voltage V
Input Voltage VIN
Maximum Output Current I
Load Regulation
Line Regulation
Dropout Voltage V
Quiescent Current IQ V
Power Supply Rejectio
Ratio
Output Voltage
△V
Temperature Coefficient
Short Current Limit I
RMS Output Noise V
OUT
OUT(MAX)
△V
OUT/VOUT
△I
△V
OUT/VOUT
△V
DROP
PSRR
OUT/VOUT
△T
SHORT
NOISE
OUT
V
=2.5V, 1mA ≤ I
IN
VIN=2.5V, V
V
=2.5V, 1mA ≤ I
IN
I
IN
2.5V≤V
IN
=1.0A 1200 1300 mV
OUT
=2.5V, I
IN
Ripple 1Vp-p
=2.5V,
V
IN
=100mA
I
OUT
I
=30mA, TA =-40°C to 85°C
OUT
V
=0V 50 mA
OUT
10Hz ≤ f ≤100kHz (No Load) 30
OUT
≤ 30mA
OUT
×98.5%
1.2
V
6 V
=1.182V to 1.218V 1 A
OUT
≤1A 0.2 1 %/A
OUT
≤6V, I
=30mA -0.1 0.02 0.1 %/V
OUT
=0mA 60 75
OUT
f=100Hz 68
f=1KHz 68
±30 ppm/°C
V
OUT
×101.5%
VEN High Voltage VIH Enable logic high, regulator on 1.5
VEN Low Voltage VIL Enable logic low, regulator off 0.4
V
µA
dB
µV
RMS
V
Standby Current I
Start-up Time t
EN Pull Down Resistor RPD 3.0
V
Discharge Resistor R
OUT
Thermal Shutdown
Temperature
Thermal Shutdown
Hysteresis
V
STD
S
Set EN pin at Low 60
DCHG
T
160
OTSD
T
25
HYOTSD
=3.5V, VEN in OFF mode 0.01 1.0
IN
o Load 20
µA
µs
MΩ
Ω
°C
SOIC-8 74.6
Thermal Resistance
θ
JC
°C/W
SOT-89-5 47
Note 2: To prevent the Short Circuit Current protection feature from being prematurely activated, the input
voltage must be applied before a current source load is applied.
Note 3: Production testing at T
Jul. 2011 Rev 1. 1 BCD Semiconductor Manufacturing Limited
=25°C. Over temperature specifications guaranteed by design only.
A
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