BCD AP2126K-ADJTRG1 300ma high speed, extremely low noise cmos ldo regulator Datasheet

Data Sheet
300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
General Description
Features
The AP2126 series are positive voltage regulator ICs
fabricated by CMOS process.
·
·
·
The AP2126 series have features of low dropout
voltage, low noise, high output voltage accuracy, and
low current consumption which make them ideal for
use in various battery-powered devices.
·
·
AP2126 is available in 1.25V to 5.5V adjustable
voltage versions.
AP2126 series are available in SOT-23-5 Package.
AP2126
Wide Operating Voltage: 3.0V to 6V
High Output Voltage Accuracy: ±2%
High Ripple Rejection:
68dB@ f=1kHz, 54dB@ f=10kHz
Low Standby Current: 0.1μA
Low Dropout Voltage: 170mV@300mA for
VOUT=3.3V, 140mV@300mA for VOUT=5.2V
·
·
Low Quiescent Current: 60μA Typical
Low Output Noise: 80μVrms@VOUT=1.25V
·
·
·
Short Current Limit: 50mA
Over Temperature Protection
Compatible with Low ESR Ceramic Capacitor:
1μF for CIN and COUT
·
·
·
Excellent Line/Load Regulation
Soft Start Time: 50μs
Auto Discharge Resistance: RDS(ON)=60Ω
Applications
·
·
·
Datacom
Notebook Computers
Mother Board
SOT-23-5
Figure 1. Package Type of AP2126
Sep. 2012 Rev. 1. 5
BCD Semiconductor Manufacturing Limited
1
Data Sheet
300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
AP2126
Pin Configuration
K Package
(SOT-23-5)
VIN
1
GND
2
Shutdown
3
5
VOUT
4
ADJ
Figure 2. Pin Configuration of AP2126 (Top View)
Functional Block Diagram
Shutdown
Shutdown
and
Logic Control
VIN
VREF
MOS Driver
Current Limit
And
Thermal
Protection
VOUT
ADJ
GND
Figure 3. Functional Block Diagram of AP2126
Sep. 2012 Rev. 1. 5
BCD Semiconductor Manufacturing Limited
2
Data Sheet
300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
AP2126
Ordering Information
AP2126
G1: Green
Circuit Type
TR: Tape and Reel
Package
ADJ: ADJ Output
K: SOT-23-5
Package
Temperature Range
SOT-23-5
-40 to 85oC
Part Number
AP2126K-ADJTRG1
Marking ID
GHH
Packing Type
Tape & Reel
BCD Semiconductor's products, as designated with "G1" suffix in the part number, are RoHS compliant and Green.
BCD Semiconductor Manufacturing Limited
Sep. 2012 Rev. 1. 5
3
Data Sheet
300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
AP2126
Absolute Maximum Ratings (Note 1)
Parameter
Symbol
Value
Unit
Input Voltage
VIN
6.5
V
Shutdown Input Voltage
VCE
-0.3 to VIN+0.3
V
Output Current
IOUT
450
mA
TJ
150
oC
TSTG
-65 to 150
oC
TLEAD
260
Thermal Resistance (Junction to Ambient)
θJA
250
oC/W
ESD (Human Body Model)
ESD
6000
V
ESD (Machine Model)
ESD
250
V
Junction Temperature
Storage Temperature Range
Lead Temperature (Soldering, 10sec)
o
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 Maximum Ratings" for extended periods
may affect device reliability.
Recommended Operating Conditions
Parameter
Symbol
Min
Max
Unit
Input Voltage
VIN
3.0
6
V
Operating Ambient Temperature Range
TA
-40
85
oC
Sep. 2012 Rev. 1. 5
BCD Semiconductor Manufacturing Limited
4
Data Sheet
300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
AP2126
Electrical Characteristics
(AP2126-ADJ, VIN min=3.0V, CIN=1μF, COUT=1μF, Bold typeface applies over -40oC≤TA≤85oC, unless otherwise specified.)
Parameter
Reference Voltage
Input Voltage
Symbol
VREF
Conditions
VIN=3.0V
1mA≤IOUT≤300mA
VIN
Min
Typ
Max
Unit
1.225
1.25
1.275
V
6
V
3.0
IOUT(MAX)
VIN=3.0V,
VOUT=98%×VOUT
Load Regulation
ΔVOUT
/(ΔIOUT*VOUT)
VIN=3.0V,
1mA≤IOUT≤300mA
0.6
%/A
Line Regulation
ΔVOUT
/(ΔVIN*VOUT)
VIN=3.0V to 6V
IOUT=30mA
0.06
%/V
Maximum Output Current
Quiescent Current
Standby Current
Power Supply
Rejection Ratio
Output Voltage
Temperature Coefficient
Short Current Limit
Soft Start Time
RMS Output Noise
IQ
ISTD
PSRR
(ΔVOUT/VOUT)
/ΔT
ISHORT
300
mA
VIN=3.0V, IOUT=0mA
60
90
μA
VIN=3.0V,
VSHUTDOWN in off mode
0.1
1.0
μA
Ripple 1Vp-p
VIN=3.5V
f=100Hz
68
dB
f=1KHz
68
dB
f=10KHz
54
dB
±100
ppm/oC
50
mA
50
μs
80
μVrms
IOUT=30mA, -40oC≤TA≤85oC
VOUT=0V
tUP
VNOISE
400
TA=25oC, 10Hz ≤f≤100kHz,
VOUT=1.25V
Shutdown "High" Voltage
Shutdown input voltage "High"
1.5
6
V
Shutdown "Low" Voltage
Shutdown input voltage "Low"
0
0.4
V
VOUT Discharge MOSFET
RDS(ON)
Shutdown input voltage "Low"
60
Ω
3
MΩ
Thermal Shutdown
165
oC
Thermal Shutdown Hysteresis
30
oC
Shutdown Pull Down Resistance
Thermal Resistance
θJC
SOT-23-5
150
o
C/W
BCD Semiconductor Manufacturing Limited
Sep. 2012 Rev. 1. 5
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Data Sheet
300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
AP2126
3.5
3.5
3.0
3.0
2.5
2.5
Output Voltage (V)
Output Voltage (V)
Typical Performance Characteristics
2.0
1.5
o
TC=-40 C
1.0
o
TC=25 C
o
TC=85 C
0.5
2.0
1.5
1.0
VIN=3.8V
0.5
VIN=6V
VIN=4.3V
0
VIN=4.3V, VOUT=3.3V
0.0
0.0
0.1
0.2
0.3
0.4
TC=25 C, VOUT=3.3V
0.0
0.0
0.5
0.1
0.2
Figure 4. Output Voltage vs. Output Current
TC=-40 C
200
TC=25 C
o
0.18
o
0.16
o
TC=85 C
0.14
VOUT=3.3V
Dropout Voltage (V)
Dropout Voltage (mV)
0.5
0.20
220
160
0.4
Figure 5. Output Voltage vs. Output Current
240
180
0.3
Output Current (A)
Output Current (A)
140
120
100
80
60
0.12
0.10
0.08
40
0.04
20
0.02
0
50
100
150
200
250
0.00
-40
300
IOUT=10mA
0.06
IOUT=150mA
IOUT=300mA
VIN=4.3V, VOUT=3.3V
-20
0
20
40
60
80
o
Output Current (mA)
Case Temperature ( C)
Figure 6. Dropout Voltage vs. Output Current
Figure 7. Dropout Voltage vs. Case Temperature
Sep. 2012 Rev. 1. 5
BCD Semiconductor Manufacturing Limited
6
Data Sheet
300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
AP2126
Typical Performance Characteristics (Continued)
71
IOUT=0
VIN=4.3V
VOUT=3.3V
70
o
110
TC=-40 C
105
TC=25 C
100
TC=85 C
95
VIN=4.3V, VOUT=3.3V
69
o
o
Quiescent Current (μA)
Quiescent Current (μA)
115
90
85
80
75
70
68
67
66
65
64
63
65
0
50
100
150
200
250
62
-40
300
-20
0
20
60
80
100
120
o
Figure 8. Quiescent Current vs. Output Current
Figure 9. Quiescent Current vs. Case Temperature
80
3.348
70
IOUT=10mA
VIN=4.3V
VOUT=3.3V
3.346
3.344
60
3.342
Output Voltage (V)
Quiescent Current (μA)
40
Case Temperature ( C)
Output Current (mA)
50
40
30
20
3.338
3.336
3.334
3.332
o
TC=25 C
IOUT=0
VOUT=3.3V
10
0
3.340
0
1
2
3
4
5
3.330
3.328
3.326
6
-40
Input Voltage (V)
-20
0
20
40
60
80
100
120
o
Case Temperature ( C)
Figure 11. Output Voltage vs. Case Temperature
Figure 10. Quiescent Current vs. Input Voltage
BCD Semiconductor Manufacturing Limited
Sep. 2012 Rev. 1. 5
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Data Sheet
300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
AP2126
Typical Performance Characteristics (Continued)
o
3.5
TC=-40 C
o
TC=25 C
Output Voltage (V)
3.0
o
TC=85 C
IOUT=0, VOUT=3.3V
2.5
IOUT
2.0
1.5
1.0
VOUT
0.5
0.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
Input Voltage (V)
Figure 13. Load Transient
Figure 12. Output Voltage vs. Input Voltage
(Conditions: CIN=COUT=1μF, VIN=4.4V, VOUT=3.3V
IOUT=10mA to 300mA)
VIN
VOUT
VShutdown
VOUT
Figure 14. Line Transient
Figure 15. Soft Start Time
(Conditions: IOUT=30mA, CIN=COUT=1μF,
(Conditions: IOUT=0mA, CIN=COUT=1μF,
VIN=4 to 5V, VOUT=3.3V)
VShutdown=0 to 2V, VOUT=3.3V)
Sep. 2012 Rev. 1. 5
BCD Semiconductor Manufacturing Limited
8
Data Sheet
300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
AP2126
Typical Performance Characteristics (Continued)
100
90
IOUT=10mA
80
IOUT=300mA
ripple=1Vpp, COUT=1μF, VOUT=3.3V
PSRR (dB)
70
60
50
40
30
20
10
0
100
1000
10000
100000
Frequency (Hz)
Figure 16. PSRR vs. Frequency
BCD Semiconductor Manufacturing Limited
Sep. 2012 Rev. 1. 5
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Data Sheet
300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
AP2126
Typical Application
VOUT
VIN
VIN
VOUT
AP2126
Shutdown
R1
ADJ
R2
COUT
1μF
GND
CIN
1μF
VOUT=1.25*(1+R1/R2) V
Figure 17. Typical Application of AP2126
Sep. 2012 Rev. 1. 5
BCD Semiconductor Manufacturing Limited
10
Data Sheet
300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
AP2126
Mechanical Dimensions
SOT-23-5
Unit: mm(inch)
0.300(0.012)
0.600(0.024)
1.500(0.059)
1.700(0.067)
0.100(0.004)
0.200(0.008)
2.950(0.116)
2.650(0.104)
2.820(0.111)
3.020(0.119)
0.200(0.008)
0.700(0.028)
REF
0.300(0.012)
0.400(0.016)
0°
8°
1.800(0.071)
2.000(0.079)
0.000(0.000)
MAX
1.450(0.057)
0.950(0.037)
TYP
0.150(0.006)
0.900(0.035)
1.300(0.051)
BCD Semiconductor Manufacturing Limited
Sep. 2012 Rev. 1. 5
11
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