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PDF AP7331 Data sheet ( Hoja de datos )
| Número de pieza | AP7331 | |
| Descripción | FAST TRANSIENT LOW DROPOUT Linear Regulator | |
| Fabricantes | Diodes | |
| Logotipo |  |
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AP7331
300mA, LOW QUIESCENT CURRENT, FAST TRANSIENT
LOW DROPOUT LINEAR REGULATOR
Description
The AP7331 is a 300mA, adjustable and fixed output
voltage, low dropout linear regulator. The device included
pass element, error amplifier, band-gap, current limit and
thermal shutdown circuitry. The device is turned on when EN
pin is set to logic high level.
The characteristics of low dropout voltage and low quiescent
current make it suitable for low power applications, for
example, battery powered devices. The typical quiescent
current is approximately 65μA.
Built-in current-limit and thermal-shutdown functions prevent
IC from damage in fault conditions.
The AP7331 is available in SOT25 and DFN2020-6
packages.
Pin Assignments
SOT25 (Fixed Output)
(Top View)
IN 1
5 OUT
GND 2
EN 3
4 NC
SOT25 (ADJ Output)
(Top View)
DFN2020-6 (Fixed Output) DFN2020-6 (ADJ Output)
(Top View)
(Top View)
EN 1
GND 2
IN 3
6 NC
5 NC
4 OUT
EN 1
GND 2
IN 3
6 ADJ
5 NC
4 OUT
Features
• 300mA Low Dropout Regulator with EN
• Very low IQ over full load: 65µA
• Wide input voltage range: 2V to 6V
• Wide adjustable output: 0.8V to 5.0V
• Fixed output options: 1.0V to 3.3V
• PSRR: 65dB typical at 100Hz
• Fast start-up time: 80µs
• Stable with low ESR, 1µF ceramic output capacitor
• Excellent Load/Line Transient Response
• Low dropout: 300mV typical at 300mA
• Current limit protection
• Short circuit protection
• Thermal shutdown protection
• Ambient temperature range: -40ºC to 85°C
• SOT25 and DFN2020-6: Available in “Green” Molding
Compound (No Br, Sb)
• Lead Free Finish/RoHS Compliant (Note 1)
Applications
•
•http://www.DataSheet4U.net/
•
•
XDSL Routers
Wireless LAN Cards
Desktop and Notebook Computers
Battery Powered Equipments
Notes: 1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at http://www.diodes.com/products/lead_free.html
AP7331
Document number: DS31914 Rev. 3 - 2
1 of 13
www.diodes.com
January 2011
© Diodes Incorporated
datasheet pdf - http://www.DataSheet4U.net/
1 page  
Typical Characteristics
AP7331
300mA, LOW QUIESCENT CURRENT, FAST TRANSIENT
LOW DROPOUT LINEAR REGULATOR
Quiescent Current vs Input Voltage
Iload=300mA
62
61 VOUT = 3.3V
60
90°C
59
58
57
-45°C
56 25°C
C
55
54
4.3 4.5 4.7 4.9 5.1 5.3 5.5 5.7 5.9
Input Voltage (V)
6.1
Quiescent Current vs Input Voltage
Iload=0mA
56
VOUT = 3.3V
54
90°C
52
50
48
46
44
25°C
-45°C
42
4.3 4.5 4.7 4.9 5.1 5.3 5.5 5.7 5.9 6.1
Input Voltage (V)
0.41
0.405
Reference Voltage vs Input Voltage
-45°C
0.4
0.395
0.39
0.385
25°C
90°C
0.38
4.3 4.5 4.7 4.9 5.1 5.3 5.5 5.7 5.9 6.1
Input Voltage (V)
Line Regulation (% /V)
0.1
VOUT = 3.3V
0.08 VIN = VOUT +1V 90°C
0.06
http://www.DataSheet4U.net/
0.04
0.02 -45°C
25°C
0
4.3 4.5 4.7 4.9 5.1 5.3 5.5 5.7 5.9 6.1
Input Voltage (V)
Load Regulation (% )
0.6
VOUT = 3.3V
0.4 VIN = VOUT + 1V
0.2
0
-0.2
-45°C
-0.4
25°C
90°C
-0.6
0
50 100 150 200
Output Current (mA)
250
300
Dropout Voltage
400
350 VOUT = 3.3V
300
90°C
250
25°C
200 C
150
100
-45°C
50
0
0 50 100 150 200 250
Output Current (mA)
300
AP7331
Document number: DS31914 Rev. 3 - 2
5 of 13
www.diodes.com
January 2011
© Diodes Incorporated
datasheet pdf - http://www.DataSheet4U.net/
5 Page 
AP7331
300mA, LOW QUIESCENT CURRENT, FAST TRANSIENT
LOW DROPOUT LINEAR REGULATOR
2. Package Type: DFN2020-6
0.05 C
0.08 C
B
http://www.DataSheet4U.net/
Marking
1.95/2.075
1.45/1.65
A
(Active area depth)
Seating plane
C
2x- 0.15 C
R0.1
0.65nom.
Bottom View
0.2/0.3
Pin#1 ID
0.05 M C A B
Tape Orientation (Note 8)
DFN2020-6
AP7331
Document number: DS31914 Rev. 3 - 2
11 of 13
www.diodes.com
January 2011
© Diodes Incorporated
datasheet pdf - http://www.DataSheet4U.net/
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet AP7331.PDF ] | |
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