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PDF APE8858A Data sheet ( Hoja de datos )
| Número de pieza | APE8858A | |
| Descripción | FAST TRANSIENT RESPONSE LINEAR CONTROLLER | |
| Fabricantes | Advanced Power Electronics | |
| Logotipo |  |
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Advanced Power
Electronics Corp.
APE8858A
FAST TRANSIENT RESPONSE LINEAR CONTROLLER
FEATURES
Low ESR Output Capacitor (MLCC and POSCAP)
Applicable
0.5V Reference Voltage with 2% Accuracy
Internal Soft-Start
Support VID Application Circuit
Integrated Hard Short-circuit protection
Fast Transient Response
Power OK Output with a Delay Time
Adjustable Output Voltage Down to 0.5V
Over-Temperature Protection
RoHS Compliant & Haloge Free
DESCRIPTION
The APE8858A is an ultra low output voltage linear N-
FET controller. This product is specifically designed to
provide well supply voltage for front-side-bus termination on
motherboards and NB applications. The APE8858A
integrates many functions. A Power-On-Reset (POR) circuit
monitors supply voltages to prevent wrong operations. A
POK indicates the output status with time delay which is set
internally. It can control other converter for power sequence.
The APE8858A can be enabled by other power system.
A 0.5V reference voltage with 2% accuracy provide
tight regulation of the output voltage, enable control, open
drain power good signal, under-voltage protection and soft
start.
The APE8858A is available in a space saving SOT-26
package.
TYPICAL APPLICATION
VCC=5V
CV CC
0 .1u F
RP OK
1 0 0k
APE 8 8 5 8A
VCC
DRV
POK
FB
EN GND
VIN
Q1
AP 4 4 3 4AGH
www.DataSheet.net/
R1
2 6k
Cin
1 0u F
VOUT =1.8V
Cout
CF 10uF
R2
1 0k
Data and specifications subject to change without notice
1
201206251
Datasheet pdf - http://www.DataSheet4U.co.kr/
1 page  
Advanced Power
Electronics Corp.
TYPICAL PERFORMANCE CHARACTERISTICS
POK
VOUT
VDRV
IOUT
APE8858A
with CF=1nF
without CF
IOUT=0A~1.5A
Fig.1 Hard Short Circuit Protection
520
516
512
508
504
500
496
492
488
484
480
-40
-20
0
20 40 60 80 100 120
T J (°C)
Fig.3 Feedback Voltage vs. Temperature
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
-40 -20 0 20 40 60 80
T J (°C)
Fig.5 Supply Current vs. Temperature
Fig.2 Load Transient, 3Vi to 1.8Vo
4.0
3.8
3.6
3.4
3.2
3.0
2.8
www.DataSheet.net/
2.6
2.4
2.2
rising
falling
2.0
-40
-20
0
20 40 60 80
T J (°C)
Fig.4 UVLO vs. Temperature
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
-40
-20
0
20 40 60 80
T J (°C)
Fig.6 Shutdown Current vs. Temperature
5
Datasheet pdf - http://www.DataSheet4U.co.kr/
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet APE8858A.PDF ] | |
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