|
|
PDF CS5253-1GDP5 Data sheet ( Hoja de datos )
| Número de pieza | CS5253-1GDP5 | |
| Descripción | 3A LDO 5-Pin Adjustable Linear Regulator | |
| Fabricantes | Cherry Semiconductor Corporation | |
| Logotipo |  |
|
Hay una vista previa y un enlace de descarga de CS5253-1GDP5 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
|
No Preview Available !
CS5253-1
3A LDO 5-Pin Adjustable Linear Regulator
Description
Features
This new very low dropout regula-
tor is designed to power the next
generation of advanced micropro-
cessors. To achieve very low
dropout, the internal pass transistor
is powered separately from the con-
trol circuitry. Furthermore, with the
control and power inputs tied
together, this device can be used in
single supply configuration and
still offer a better dropout voltage
than conventional PNP-NPN based
LDO regulators. In this mode the
dropout is determined by the mini-
mum control voltage.
It is supplied in a five-terminal
D2PAK package, which allows for
the implementation of a remote-
sense pin permitting very accurate
regulation of output voltage direct-
ly at the load, where it counts,
rather than at the regulator. This
remote sensing feature virtually
eliminates output voltage varia-
tions due to load changes and resis-
tive voltage drops. Typical load
regulation measured at the sense
pin is less than 1mV for an output
voltage of 2.5V with a load step of
10mA to 3A.
The very fast transient loop
response easily meets the needs of
the latest microprocessors. In addi-
tion, a small capacitor on the Adjust
pin will further improve the tran-
sient capabilities.
Internal protection circuitry pro-
vides for Òbust-proofÓ operation,
similar to three-terminal regulators.
This circuitry, which includes over-
current, short circuit, and over-tem-
perature protection will self protect
the regulator under all fault condi-
tions.
The CS5253-1 is ideal for generating
a secondary 2-2.5V low voltage
supply on a motherboard where
both 5V and 3.3V are already avail-
able.
s 1.25V to 5V VOUT at 3A
s VPOWER Dropout < 0.40V @ 3A
s VCONTROL Dropout < 1.05V @
3A
s 1% Trimmed Reference
s Fast Transient Response
s Remote Voltage Sensing
s Thermal Shutdown
s Current Limit
s Short Circuit Protection
s Drop-In Replacement for
Semtech EZ1582
s Backwards Compatible with
3-pin Regulators
Package Options
Applications Diagram
5 Lead D2PAK
5.0V
3.3V
10mF
10V
VCONTROL VOUT
CS5253-1
VPOWER VSENSE
Adjust
100mF
5V
0.1mF
5V
2.5V @ 3A
124
1%
124 Load
1%
300mF
5V
1 1. VSENSE
2. Adjust
3. VOUT
4. VCONTROL
5. VPOWER
Tab = VOUT
Rev. 5/6/99
Cherry Semiconductor Corporation
2000 South County Trail, East Greenwich, RI 02818
Tel: (401)885-3600 Fax: (401)885-5786
Email: [email protected]
Web Site: www.cherry-semi.com
1 A ¨ Company
1 page  
Typical Performance Characteristics
Short Circuit Output Current vs Junction Temperature
3.9
VCONTROL = 2.75V
VPOWER = 2.05V
3.8
3.7
3.6
3.5
3.4
3.3
0 20 40 60 80 100 120 140
Junction Temperature (C)
VCONTROL Only Output Current vs Junction Temperature
12
VCONTROL = 13V,
10 VOUT = 0V,
Vpower not connected
8
6
4
2
0
0 20 40 60 80 100 120 140
Junction Temperature (C)
Ripple Rejection vs Frequency
90.0
80.0
70.0
60.0
50.0
40.00
30.0
20.0
VIN-VOUT=2V
IOUT=4A
VRIPPLE=1VP-P
COUT=22mF
CADJ=0.1mF
10.0
101
102
103 104
Frequency (Hz)
105
VCONTROL Dropout Voltage vs Output Current
1100
106
1000
900
TJ = 0°C
TJ = 20°C
TJ = 120°C
800
0.0
0.5
VPOWER = 2.05V
1.0 1.5 2.0
Output Current (A)
2.5
3.0
VPOWER Dropout Voltage vs Output Current
500
450
400
350
300
250
200
150
50
0
0.0
0.5
TJ = 120°C
TJ = 20°C
TJ = 0°C
1.0 1.5 2.0 2.5 3.0
Output Current (A)
Minimum Load Current vs VPOWER-VOUT
916.4
916.3
916.2
916.1
916.0
915.9
915.8
915.7
915.6
915.5
915.4
0.50
VCONTROL =5V
D VOUT=+1%
1.50
2.50
VPOWER-VOUT (V)
3.50
4.50
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet CS5253-1GDP5.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| CS5253-1GDP5 | 3A LDO 5-Pin Adjustable Linear Regulator | Cherry Semiconductor Corporation |
| CS5253-1GDPR5 | 3A LDO 5-Pin Adjustable Linear Regulator | Cherry Semiconductor Corporation |
| 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 |