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AXElite

AX6608B Datasheet Preview

AX6608B Datasheet

Low Noise LDO Regulator

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AX6608B
600mA High PSRR, Low Noise LDO Regulator
GENERAL DESCRIPTION
The AX6608B is a low dropout, high PSRR, low noise linear regulator with very low
quiescent. It can supply 600mA output current with low dropout voltage and very low output
voltage. The Device includes pass element, error amplifier, band-gap, current-limit and
thermal shutdown circuitry. The characteristics of low dropout voltage and less quiescent
current make it good for some critical current application, for example, some battery
powered devices. The typical quiescent current is approximately 30µA. In the shutdown
mode, the maximum supply current is less than 1uA. Due to internal flexible design, result in
extensively fixed output voltage versions is 1.0V/1.2V/1.5V/1.8V/2.5V/2.8V/3.0V/3.3V.
Built-in current-limit and thermal-shutdown functions prevent any fault condition from IC
damage.
FEATURES
- Input voltage range : 2.8V~5.5V
- Guaranteed 600mA output current
- Low quiescent current is 30µA (typ.)
- Maximum supply current in shutdown mode <1uA
- Fixed Output voltage is 1.0V/1.2V/1.5V/1.8V/2.5V/2.8V/3.0V/3.3V.
- High PSRR=-60dB@1KHz
- Low-ESR Ceramic Capacitor for output stability
- Fast transient response
- Current limit and thermal shutdown protection
- Available in the 5-Pin Pb-Free SOT-23 and SC70 Packages
BLOCK DIAGRAM
VIN
Current
Limit
EN Enable
Thermal
Shutdown
Error
Amp
-+
Bandgap
VOUT
GND
BP
1/9
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.1.4 Jul.12, 2010




AXElite

AX6608B Datasheet Preview

AX6608B Datasheet

Low Noise LDO Regulator

No Preview Available !

AX6608B
PIN ASSIGNMENT
The packages of AX6608B are SOT-23-5L and SC70-5L; the pin assignment is given by:
Name
Description
(Top View)
VIN
Voltage input. The input capacitor in
the range of 1uF to 10uF is sufficient.
VIN 1
5 VOUT
GND Ground
GND 2
EN 3
4 BP
EN Enable pin (Active High)
BP
Reference Noise Bypass (The Bypass
capacitor 1nF
SOT-23-5L/SC70-5L
Output Voltage, The AX6608B is stable
VOUT with an output capacitor 1uF for
greater.
ORDER/MARKING INFORMATION
Order Information
AX6608B- XX X X
Output voltage
10 : 1.0V
12 : 1.2V
15 : 1.5V
18 : 1.8V
25 : 2.5V
28 : 2.8V
30 : 3.0V
33 : 3.3V
Top Marking (SC70-5L)
Package
Packing
A5 : SC70-5L Blank:Tube
B : SOT23-5L A : Taping
Top Marking (SOT-23-5L)
CXXX Date Code
RTXXX Date Code
Vout (refer below table)
Part number code
Vout (refer below table)
Part number code
Appendix
Part Number
Identification Code
SOT23 SC70
AX6608B-1.0V A
A
AX6608B-1.5V C
C
AX6608B-1.8V D
D
AX6608B-2.5V F
F
AX6608B-2.8V G
G
AX6608B-3.0V H
H
AX6608B-3.3V I
I
2/9
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.1.4 Jul.12, 2010


Part Number AX6608B
Description Low Noise LDO Regulator
Maker AXElite
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AX6608B Datasheet PDF





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