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PDF AP2121 Data sheet ( Hoja de datos )
| Número de pieza | AP2121 | |
| Descripción | EXTREMELY LOW NOISE LDO REGULATOR | |
| Fabricantes | BCD | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AP2121 (archivo pdf) en la parte inferior de esta página. Total 29 Páginas | ||
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HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR
General Description
Features
Data Sheet
AP2121
The AP2121 series are positive voltage regulator ICs
fabricated by CMOS process. Each of these ICs con-
sists of a voltage reference, an error amplifier, a resis-
tor network for setting output voltage, a current limit
circuit for current protection and a chip-enable circuit
(5-pin products only).
The AP2121 series feature high supply voltage ripple
rejection, low dropout voltage, low noise, high output
voltage accuracy, and low current consumption which
make them ideal for use in various battery-powered
devices.
The AP2121 series have 1.2V, 1.3V, 1.5V, 1.8V, 2.5V,
2.8V, 2.85V, 3.0V, 3.2V and 3.3V versions.
The AP2121 are available in standard SOT-23-3, SOT-
23-5 and CSP-4 packages.
· Low Dropout Voltage at IOUT=100mA: 150mV
Typical (Except 1.2V, 1.3V and 1.5V Versions)
· Low Standby Current: 0.1μA Typical
· Low Quiescent Current: 25μA Typical
· High Ripple Rejection: 70dB Typical （f=1kHz）
· Output Current: More Than 200mA (300mA
Limit)
· Extremely Low Noise: 30μVrms (10Hz to
100kHz)
· Excellent Line Regulation: 4mV Typical
· Excellent Load Regulation: 12mV Typical
· High Output Voltage Accuracy: ±2%
· Excellent Line Transient Response and Load
Transient Response
· Compatible with Low ESR Ceramic Capacitor (as
Low as 1μF)
Applications
· Mobile Phones, Cordless Phones
· Wireless Communication Equipment
· Portable Games
· Cameras, Video Recorders
· Sub-board Power Supplies for Telecom Equip-
ment
· Battery Powered Equipment
SOT-23-3
SOT-23-5
Figure 1. Package Types of AP2121
CSP-4
Dec. 2012 Rev. 2. 6
BCD Semiconductor Manufacturing Limited
1
1 page  
HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR
Ordering Information (Continued)
Data Sheet
AP2121
Package
Temperature
Range
Condition
CSP-4
CSP-4
-40 to 85oC
-40 to 85oC
0.4 Pitch
0.4 Pitch
0.4 Pitch
0.4 Pitch
0.4 Pitch
0.4 Pitch
0.4 Pitch
0.4 Pitch
0.4 Pitch
0.4 Pitch
0.5 Pitch
0.5 Pitch
0.5 Pitch
0.5 Pitch
0.5 Pitch
0.5 Pitch
0.5 Pitch
0.5 Pitch
0.5 Pitch
0.5 Pitch
Part Number
Lead Free
Green
AP2121AJ4A-
1.2TRG1
AP2121AJ4A-
1.3TRG1
AP2121AJ4A-
1.5TRG1
AP2121AJ4A-
1.8TRG1
AP2121AJ4A-
2.5TRG1
AP2121AJ4A-
2.8TRG1
AP2121AJ4A-
2.85TRG1
AP2121AJ4A-
3.0TRG1
AP2121AJ4A-
3.2TRG1
AP2121AJ4A-
3.3TRG1
AP2121AJ4-
1.2TRG1
AP2121AJ4-
1.3TRG1
AP2121AJ4-
1.5TRG1
AP2121AJ4-
1.8TRG1
AP2121AJ4-
2.5TRG1
AP2121AJ4-
2.8TRG1
AP2121AJ4-
2.85TRG1
AP2121AJ4-
3.0TRG1
AP2121AJ4-
3.2TRG1
AP2121AJ4-
3.3TRG1
Marking ID
Lead Free Green
CB
CC
CD
CE
CF
CG
DD
CH
DA
DB
BA
BB
BC
BD
BE
BF
DC
BG
BH
CA
Packing
Type
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
Dec. 2012 Rev. 2. 6
BCD Semiconductor Manufacturing Limited
5
5 Page 
Data Sheet
HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR
AP2121
Electrical Characteristics (Continued)
AP2121-1.8 Electrical Characteristics
(VIN=2.8V, TJ=25oC, CIN=1μF, COUT=1μF, Bold typeface applies over -40oC≤TJ≤85oC, unless otherwise specified.)
Parameter
Output Voltage
Input Voltage
Output Current
Load Regulation
Line Regulation
Dropout Voltage
Symbol
VOUT
VIN
IOUT
VRLOAD
VRLINE
VDROP
Conditions
VIN=2.8V
1mA≤IOUT≤30mA
VIN-VOUT=1V
VIN=2.8V
1mA≤IOUT≤80mA
2.3V≤VIN≤6V
IOUT=30mA
IOUT=10mA
IOUT=100mA
IOUT=150mA
IOUT=200mA
Min Typ Max Unit
1.764 1.8 1.836 V
6V
200 mA
12 40 mV
4 16 mV
20 40
150 300 mV
200 400
250 500
Quiescent Current
IQ VIN=2.8V, IOUT=0mA
25 50 μA
Standby Current
Power Supply
Rejection Ratio
Output Voltage
Temperature Coefficient
Short Current Limit
RMS Output Noise
CE "High" Voltage
CE "Low" Voltage
CE Pull-down Resistance
Thermal Resistance
(Junction to Case)
ISTD
PSRR
ΔVOUT/ΔT
(ΔVOUT/VOUT)/ΔT
ILIMIT
VNOISE
RPD
θJC
VIN=2.8V
VCE in OFF mode
Ripple 0.5Vp-p, f=1kHz
VIN=2.8V
IOUT=30mA
VOUT=0V
TA=25oC
10Hz ≤f≤100kHz
CE input voltage "High"
CE input voltage "Low"
SOT-23-3
SOT-23-5
CSP-4
0.1 1 μA
70 dB
±180
±100
50
μV/oC
ppm/oC
mA
30 μVrms
1.5 V
0.25 V
2.5 5 10 MΩ
74
74 oC/W
5
Dec. 2012 Rev. 2. 6
BCD Semiconductor Manufacturing Limited
11
11 Page | ||
| Páginas | Total 29 Páginas | |
| PDF Descargar | [ Datasheet AP2121.PDF ] | |
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