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PDF AX6632 Data sheet ( Hoja de datos )
| Número de pieza | AX6632 | |
| Descripción | 1.2A High Output Current LDO Regulator | |
| Fabricantes | AXElite | |
| Logotipo |  |
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AX6632
1.2A High Output Current LDO Regulator
GENERAL DESCRIPTION
The AX6632 is a low noise, high output current, low quiescent current and low dropout
linear regulator. The Device includes pass element, error amplifier, band-gap, current-limit
and thermal shutdown circuitry. The output current is up to 1.2A. 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 1uA. Due to internal
flexible design, result in extensively fixed output voltage versions form 1.2V to 5V per 0.1V
steps. The adjustable output voltage is by TDFN-6L package only. Built-in current-limit,
Short current protection and thermal-shutdown functions prevent any fault condition from IC
damage.
FEATURES
- Input voltage range : 2.6V~5.5V
- Adjustable Output voltage form 0.8V to 5.0V (TDFN-6L Only)
- Dropout voltage is 380mV at 1A output current
- Guaranteed 1.2A output current
- Low quiescent current is 50µA (typ.)
- Maximum supply current in shutdown mode <1uA
- Fixed Output voltage is form 1.2 V to 5V by 0.1V steps.
- Fast transient response
- Current limit and thermal shutdown protection
- Short circuit current fold-back
- Available in the SOP-8L and TDFN-6L Pb-Free Packages
BLOCK DIAGRAM
VIN
Current
Limit
EN Enable
Thermal
Shutdown
Error
Amp
-+
Bandgap
VOUT
GND
BP
1/11
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.1.6 Dec.29, 2011
1 page  
AX6632
APPLICATION CIRCUIT
1. Fixed Version:
(a) SOP-8L
VIN
CIN
2.2uF
AX6632
2
VIN
3
VOUT
1 EN
ON
4
BP
GND
5,6,7,8
CBP
10nF
(b) TDFN-6L
OFF
VOUT
COUT
2.2uF
VIN
CIN
2.2uF
AX6632
6
VIN
VOUT 1
5 EN
GND
ON 4
2
BP
NC
3
CBP
10nF
OFF
2. Adjustable Version: (TDFN-6L only)
VIN
CIN
2.2uF
AX6632
6
VIN
1
VOUT
5 EN
GND
ON 4
OFF
R1
3
FB
BP R2
2 CBP
10nF
VOUT=VFB*(1+R1/R2)
VFB=0.8V
R2 Range=50K~300K
VOUT
COUT
2.2uF
VOUT
COUT
2.2uF
5/11
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.1.6 Dec.29, 2011
5 Page 
(2) TDFN-6L (2*2 0.75mm)
D
E
(Top View)
AX6632
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
11/11
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.1.6 Dec.29, 2011
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet AX6632.PDF ] | |
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