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PDF APL5916 Data sheet ( Hoja de datos )
| Número de pieza | APL5916 | |
| Descripción | 0.8V Reference Ultra Low Dropout Linear Regulator | |
| Fabricantes | ANPEC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de APL5916 (archivo pdf) en la parte inferior de esta página. Total 20 Páginas | ||
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APL5916
0.8V Reference Ultra Low Dropout (0.15V@7A) Linear Regulator
Features
General Description
• Ultra Low Dropout
- 0.15V(typical) at 7A Output Current
• Low ESR Output Capacitor (Multi-Layer Chip
Capacitors (MLCC)) Applicable
• 0.8V Reference Voltage
• High Output Accuracy
- ±1.5% over Line, Load, and Temperature
• Fast Transient Response
• Adjustable Output Voltage by External
Resistors
• Power-On-Reset Monitoring on both VCNTL and
VIN Pins
• Internal Soft-Start
• Current-Limit Protection
• Under-Voltage Protection
• Thermal Shutdown with Hysteresis
• Power-OK Output with a Delay Time
• Shutdown for Standby or Suspend Mode
• Simple SOP-8P Package with Exposed Pad
• Lead Free and Green Devices Available
(RoHS Compliant)
Applications
The APL5916 is a 7A ultra low dropout linear regulator.
This product is specifically designed to provide well
supply volatage for motherboards and VGA card
applications. The IC needs two supply voltages, a con-
trol voltage for the circuitry, and a main supply voltage
for power conversion, to reduce power dissipation
and provide extremely low dropout.
The APL5916 integrates many functions into a single
package. A Power-On-Reset (POR) circuit monitors both
supply voltages to prevent wrong operations. Thermal
shutdown and current limit functions protect the de-
vice against thermal and current over-loads. POK indi-
cates that the output status with time delay which is set
internally. It can control other converter for power
sequence. The APL5916 can be enabled by other power
system. Pulling and holding the EN pin below 0.3V shuts
off the output.
The APL5916 is available in SOP-8P package which fea-
tures small size as SOP-8 and an Exposed Pad to reduce
the junction-to-case resistance, being applicable in
2~2.6W applications.
Pin Configuration
GND 1
8 EN
FB 2
VOUT 3
VIN
7 POK
6 VCNTL
VOUT 4
5 VIN
SOP-8P (Top View)
• Note Book PC Applications
• Motherboard Applications
• VGA Card Applications
= Exposed Pad
(connected to the VIN plane for better heat dissipation)
Copyright © ANPEC Electronics Corp.
Rev. A.3 - Jan., 2009
1
www.anpec.com.tw
1 page  
APL5916
Typical Operating Characteristics
VCNTL Supply Current vs. Junction Tem-
perature
1.0
0.9 VCNTL = 5V
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
-50
-25 0 25 50 75 100 125
Junction Temperature (°C)
POK Delay Time vs. Junction Temperature
4.5
4.3
4.1
3.9
3.7 VCNTL = 5V
3.5
3.3
3.1
2.9
2.7
2.5
-50
-25 0 25 50 75 100
Junction Temperature (°C)
125
VIN Dropout Voltage vs. Output Current
140
VCNTL = 5V, VOUT = 1.5V
120
100
TJ=125oC
80 TJ=75oC
60 TJ=25oC
40
20
TJ=0oC
TJ=-25oC
TTJ=50oC
0
01234567
Output Current, IOUT(A)
Copyright © ANPEC Electronics Corp.
Rev. A.3 - Jan., 2009
5
Reference Voltage vs. Junction Tem-
0.808
perature
0.806
0.804
0.802
0.800
0.798
0.796
0.794
0.792
-50 -25 0
25 50 75 100 125
Junction Temperature (°C)
VIN Dropout Voltage vs. Output Current
140
VCNTL = 5V, VOUT = 1.05V
120
100
TJ=125oC
80 TJ=75oC
60 TJ=25oC
40
20
TJ=0oC
TJ=-25oC
TTJ=50oC
0
0123 4567
Output Current, IOUT(A)
VIN Dropout Voltage vs. Output Current
160
140 VCNTL = 5V, VOUT = 2.5V
120
100 TJ=125oC
80 TJ=75oC
TJ=25oC
60
40
20
TJ=0oC
TJ=-25oC
TTJ=50oC
0
01234567
Output Current, IOUT(A)
www.anpec.com.tw
5 Page 
APL5916
Typical Application Circuit (Cont.)
R8 C8
8.2k 470pF
Q3
Shutdown
C2
1µF
5
VCC
BOOT 1
7 OCSET
UGATE 2
PHASE 8
U2
APW7057
6 FB
4
LGATE
GND
3
R4
2.2
D1
1N4148
C6
0.1µF
R7
2k
L1
1µH
C3 C4
1µF 470µF x2
Q1
APM2014N L2
3.3µH
+5V
C9
47µF
CVCNTL
1µF
VCNTL
+5V
VIN
+1.25V
6
VCNTL
5 VIN
POK
7
Q2
APM2014N
R5
1.125k
C5
1000µF x2
Enable
CIN
22µF
VOUT
VOUT
U1
3
4
EN
8
APL5916
EN FB
2
GND
1 R2
3.2k
C7 R6
0.1µF 0
POK
R3
1k VOUT
+1.05V/7A
R1
1k
C1
33nF
COUT
150µF
Copyright © ANPEC Electronics Corp.
Rev. A.3 - Jan., 2009
11
www.anpec.com.tw
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet APL5916.PDF ] | |
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