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PDF APE8977MP Data sheet ( Hoja de datos )
| Número de pieza | APE8977MP | |
| Descripción | 2.5A LINEAR REGULATOR | |
| Fabricantes | Advanced Power Electronics | |
| Logotipo |  |
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Advanced Power
Electronics Corp.
FEATURES
Sink and Source up to 2.5Amp
Integrated Power MOSFETs
High Accuracy Output Voltage at Full-Load
Output Adjustment by Two External Resistors
Built-in Soft-start Function
Current Limiting Protection
On-Chip Thermal Protection
Available in ESOP-8 (Exposed Pad) Packages
VIN and VCNTL Under Voltage Protection
RoHS Compliant and 100% Lead (Pb)-Free
Halogen Free Product
APPLICATION
Desktop PCs, Notebooks, and Workstations
Graphics Card Memory Termination
Set Top Boxes, Digital TVs, Printers
Embedded Systems
Active Termination Buses
TYPICAL APPLICATION
APE8977MP
2.5A LINEAR REGULATOR
DESCRIPTIOON
The APE8977MP is a simple, cost-effective and
high-speed linear regulator. The regulator is capable of
actively sinking or sourcing up to 2.5A while regulating
an output voltage to within 40mV. The desired output
voltage can be programmed by two external voltage
divider resistors of the REFEN pin.
The APE8977MP also incorporates a high-speed
differential amplifier to provide ultra-fast response in
line/load transient. Other features include extremely low
initial offset voltage, excellent load regulation, current
limiting in bi-directions and on-chip thermal shut-down
protection. Built-in soft-start function avoids a mis-
operation by inrush current.
The APE8977MP are available in the ESOP-8
(Exposed Pad) surface mount packages.
.
VIN
CIN
Shutdown
VIN VCNTL
R1
APE8977MP
REFEN
VOUT
R 2 CSS
GND
VCNTL
CCNTL
VOUT
RTT
COUT
RDUMMY
Enable
R1 = R 2 = 100 K Ω , RTT = 50Ω / 33 Ω / 25 Ω
COUT = 10 uF ( + 100 uF under the worst case testing condition )
CSS = 1 uF , CIN = 470 uF (Low ESR ) , CCNTL = 47 uF
Data and specifications subject to change without notice
1
20130104V1.1
1 page  
Advanced Power
Electronics Corp.
TYPICAL PERFORMANCE CHARACTERISTICS
APE8977MP
Load Transient (Source test)
VIN
Load Transient (Sink test)
VIN
VOUT
IOUT
VOUT
IOUT
VIN = 5V, VCNTL = 5V
VREF = 2.5V Supplied by a regulator
VIN = 5V, VCNTL = 5V
VREF = 2.5V Supplied by a regulator
Output Voltage vs. Temperature
1.1
1
0.9
0.8
0.7
-50
-25
0 25 50 75 100 125
Temperature (oC)
VIN = 1.8V, VCNTL = 3.3V, IOUT = 0A, Source test
16 VIN Current vs. Temperature
15 VIN=1.8V, VCNTL=5V
14 VIN=1.8V, VCNTL=3.3V
VIN=1.5V, VCNTL=5V
13 VIN=1.5V, VCNTL=3.3V
12
11
10
9
8
7
6
-50
-25
0 25 50 75 100 125
Temperature (oC)
IOUT = 0A, Source test
Shutdown Threshold vs. Temperature
0.55
0.5
0.45
. 0.4
0.35
Turn On
Turn Off
0.3
0.25
-50
-25
0 25 50 75 100 125
Temperature (oC)
VIN = 1.8V, VCNTL = 3.3V, IOUT = 10mA, Source test
VCNTL Current vs. Temperature
4
3.5
3 VIN=1.8V, VCNTL=5V
2.5
2 VIN=1.8V, VCNTL=3.3V
1.5
-50
-25
0 25 50 75 100 125
Temperature (oC)
IOUT = 0A, Source test
5
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet APE8977MP.PDF ] | |
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