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PDF APW7104 Data sheet ( Hoja de datos )
| Número de pieza | APW7104 | |
| Descripción | 1A Synchronous Buck Regulator | |
| Fabricantes | ANPEC | |
| Logotipo |  |
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APW7104
1.5MHz, 1A Synchronous Buck Regulator
Features
General Description
• 1A Output Current
• Wide 2.5V~6.0V Input Voltage
• Fixed 1.5MHz Switching Frequency
• Low Dropout Operating at 100% Duty Cycle
• 20µA Quiescent Current
• Integrate Synchronous Rectifier
• 0.6V Reference Voltage
• <0.5µA Input Current During Shutdown
• Current-Mode Operation with Internal
Compensation
- Stable with Ceramic Output Capacitors
- Fast Line Transient Response
• Short-Circuit Protection
• Over-Temperature Protection with Hysteresis
• Available in SOT-23-5/TSOT-23-5A Packages
• Lead Free and Green Devices Available
(RoHS Compliant)
APW7104 is a 1.5MHz high efficiency monolithic synchro-
nous buck regulator. Design with current mode scheme,
the APW7104 is stable with ceramic output capacitor. In-
put voltage from 2.5V to 6.0V makes the APW7104 ideally
suited for single Li-Ion battery powered applications. 100%
duty cycle provides low dropout operation, extending bat-
tery life in portable electrical devices. The internally fixed
1.5MHz operating frequency allows the using of small
surface mount inductors and capacitors. The synchro-
nous switches included inside increase the efficiency
and eliminate the need of an external Schottky diode.
The APW7104 is available in SOT-23-5/TSOT-23-5A
packages.
Applications
Pin Configuration
• HD STB
• BT Mouse
• PND Instrument
• Portable Instrument
Simplified Application Circuit
RUN 1
GND 2
SW 3
APW7104
5 FB
4 VIN
SOT-23-5/TSOT-23-5A
(Top View)
VIN
C1
4.7µF
(MLCC)
4 VIN
L1
2.2µH
SW 3
APW7104
1 RUN FB 5
GND
2
R1
R2
VOUT
C3 C2
10µF
(MLCC)
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and
advise customers to obtain the latest version of relevant information to verify before placing orders.
Copyright © ANPEC Electronics Corp.
Rev. A.1 - Dec., 2010
1
www.anpec.com.tw
Free Datasheet http://www.datasheetlist.com/
1 page  
APW7104
Typical Application Circuit
VIN IIN
2.5~6V
C1
4.7µF
(MLCC)
4
VIN
SW 3
APW7104
1
RUN
5
FB
GND
2
L1
2.2µH
VOUT
0.6V~VIN
C2 0~1A
R1 10µF
C3 (MLCC)
R2 R1 ≤ 1MΩ is recommended
R2 ≤ 200kΩ is recommended
R1 x C3 = 3x10-6 ~ 8x10-6ΩF
Copyright © ANPEC Electronics Corp.
Rev. A.1 - Dec., 2010
5
www.anpec.com.tw
Free Datasheet http://www.datasheetlist.com/
5 Page 
APW7104
Package Information
SOT-23-5
D
e
SEE
VIEW A
b
e1
c
L
VIEW A
GAUGE PLANE
SEATING PLANE
S SOT-23-5
Y
M
B
MILLIMETERS
INCHES
O
L
MIN.
MAX.
MIN.
MAX.
A 1.45
0.057
A1 0.00
0.15
0.000
0.006
A2 0.90
1.30
0.035
0.051
b 0.30
0.50
0.012
0.020
c 0.08
0.22
0.003
0.009
D 2.70
3.10
0.106
0.122
E 2.60
3.00
0.102
0.118
E1 1.40
1.80
0.055
0.071
e 0.95 BSC
0.037 BSC
e1 1.90 BSC
0.075 BSC
L 0.30
0.60
0.012
0.024
0 0°
8°
0° 8°
Note : 1. Follow JEDEC TO-178 AA.
2. Dimension D and E1 do not include mold flash, protrusions or gate
burrs. Mold flash, protrusion or gate burrs shall not exceed 10 mil
per side.
Copyright © ANPEC Electronics Corp.
Rev. A.1 - Dec., 2010
11
www.anpec.com.tw
Free Datasheet http://www.datasheetlist.com/
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet APW7104.PDF ] | |
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