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PDF AX6647 Data sheet ( Hoja de datos )
| Número de pieza | AX6647 | |
| Descripción | 600mA High PSRR LDO Linear Regulator | |
| Fabricantes | AXElite | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AX6647 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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AX6647
600mA High PSRR LDO Linear Regulator with
Shutdown
GENERAL DESCRIPTION
The AX6647 is a low dropout, positive linear regulator with very low quiescent. It can
supply 600mA output current. The BP pin with a 10nF bypass capacitor can help reduce the
output noise level. 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 50μA. In the shutdown mode, the
maximum supply current is less than 1μA. The AX6647 regulator is able to operate with
output capacitors as small as 2.2μF for stability. The AX6647 series are offering several
fixed output voltage types including 1.0V, 1.1V, 1.2V, 1.5V, 1.8V, 2.5V, 2.6V, 2.7V, 2.8V,
3.0V, 3.3V and adjustable version. Built-in current-limit and thermal-shutdown functions
prevent any fault condition from IC damage.
FEATURES
- Input voltage range : 2.6V~6V
- Adjustable and 1.0/1.1/1.2/1.5/1.8/2.5/2.6/2.7/2.8/3.0/3.3V fixed output voltages
- VOUT adjust range from VFB to 5.0V (Adjustable Version Only)
- Guaranteed 600mA output current
- Very Low quiescent current at 50μA (typ.)
- Needs Only 2.2μF capacitor for Stability
- Maximum supply current in shutdown mode <1μA
- Current limit and thermal shutdown protection
- Short circuit current fold-back
- Available in the TSOT-23-5L and TDFN-6L Pb-Free Packages
BLOCK DIAGRAM
VIN
Current
Limit
EN Enable
Thermal
Shutdown
Error
Amp
-+
Bandgap
BP
Fixed Version
VOUT
NC
GND
VIN
Current
Limit
Error
Amp
-+
EN Enable
Thermal
Shutdown
Bandgap
VOUT
FB
GND
Adjustable Version
1/12
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.1.1 Dec.12, 2011
1 page  
AX6647
APPLICATION CIRCUIT
(1) Fixed Output Voltage Version
ON
EN
AX6647-XX
OFF
VIN EN VOUT
VIN VOUT
CIN
1uF
GND
BP COUT
CBP 2.2uF
10nF
(Option)
(2) Adjustable Output Voltage Version (TDFN Only)
ON
EN
AX6647-Z6
OFF
VIN EN VOUT
VIN VOUT
CIN
1uF
GND
R1
BP FB
R2
CBP
10nF
(Option)
COUT
2.2uF
VOUT=VFB*(1+R1/R2)
VFB=0.8V
R2 Range=50K~300K
5/12
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.1.1 Dec.12, 2011
5 Page 
AX6647
PACKAGE OUTLINES
(1) TDFN-6L (2*2 0.75mm)
D
E
(Top View)
D2
E2
be
(Bottom View)
L
Pin 1
A
A3
SEATING PLANE
(SIDE View)
Symbol
A
A1
A3
b
D
D2
E
E2
e
L
Dimensions in Millimeters
Min. Nom. Max.
0.70 0.75 0.80
0.00 0.02 0.05
0.203 REF.
0.20 0.28 0.35
1.95 2.00 2.05
1.35 1.50 1.65
1.95 2.00 2.05
0.75 0.90 1.05
0.65 BSC.
0.20 0.30 0.40
Dimensions in Inches
Min. Nom. Max.
0.028
0.030
0.031
0.000
0.001
0.002
0.008 REF.
0.009
0.011
0.013
0.077
0.079
0.081
0.055
0.059
0.063
0.077
0.079
0.081
0.031
0.035
0.039
0.026 BSC.
0.008
0.012
0.016
11/12
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.1.1 Dec.12, 2011
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet AX6647.PDF ] | |
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