|
|
PDF CATAT71991 Data sheet ( Hoja de datos )
| Número de pieza | CATAT71991 | |
| Descripción | 2.0A 380KHz 23V High Efficiency Step-Down DC/DC Converter | |
| Fabricantes | Chip Advanced Technology | |
| Logotipo |  |
|
Hay una vista previa y un enlace de descarga de CATAT71991 (archivo pdf) en la parte inferior de esta página. Total 15 Páginas | ||
|
No Preview Available !
CATAT71991
2.0A 380KHz 23V High Efficiency Step-Down DC/DC Converter
Confidentiality Statement:
This Data Sheet (including any attachments) is for the sole use of the intended
recipient(s) and contains confidential, proprietary and privileged information. Any
unauthorized review, use, disclosure or distribution is prohibited. If you are not the
intended recipient, please immediately destroy all copies of the original message.
1 page  
2.0A 380KHz 23V High Efficiency Step-Down DC/DC Converter CAT71991
Typical Performance Characteristics
Cin=10u F , Cout = 470u F , L=15Uh , TA =25 ℃ , unless otherwise noted.
Frequency vs. Input Voltage
I_load vs. Vo Voltage
Power on From EN
Power off From EN
CH1: VO CH2: EN CH3: I_L
Load Transient Response
CH1: VO CH2: EN CH3: I_L
Load Transient Response
CH1: VO CH3: I_L (IL=0.5~1.5A)
The CAT logo is a registered trademark of Chip Advanced Technology
2008 Chip Advanced Technology Inc. – All Right Reserved.
CH1: VO CH3: I_L (IL=1~2A)
8/28/2008 Rev:0.85 5/16
5 Page 
2.0A 380KHz 23V High Efficiency Step-Down DC/DC Converter CAT71991
Application & BOM List Table:
Vout
5V
3.3V
1.8V
1.23V
C12 C7 C8 R3
L1
R1 R2
NC
33pF 2.2nF 4.7k
15uH
68k
22k
NC
33pF 2.2nF 5.6k
15uH
56k
33k
NC
33pF 2.2nF 5.6k
15uH
4.7k
10k
NC
33pF 2.2nF
3k
15uH
4.7k
NC
CAT71991 AP Circuit
Vout=1.23V*(1+R1/R2)
R1
R2 C12 NC
U1
5
FB 6
COMP 7
EN 8
GND
FB
COMP
EN
SW
VIN
BS
SS
CAT71991
4
3
2
1
SW
C5
0.1uF
Vin
C6
22uF
C7 C8
R3
5V D2
BST
D1N4148
C10
10nF
D1
SK340
L1 15uH
12
10uF
C1
Vout
10uF
C2
470uF
C4
R4 100K
EN
Vin
3
JP1
1
ON OFF
C11
0.1uF
The CAT logo is a registered trademark of Chip Advanced Technology
2008 Chip Advanced Technology Inc. – All Right Reserved.
8/28/2008 Rev:0.85 11/16
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet CATAT71991.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| CATAT71991 | 2.0A 380KHz 23V High Efficiency Step-Down DC/DC Converter | Chip Advanced Technology |
| Número de pieza | Descripción | Fabricantes |
| SLA6805M | High Voltage 3 phase Motor Driver IC. |
 Sanken |
| SDC1742 | 12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters. |
 Analog Devices |
|
DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares, |
| DataSheet.es | 2020 | Privacy Policy | Contacto | Buscar |