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PDF APL3542A Data sheet ( Hoja de datos )
| Número de pieza | APL3542A | |
| Descripción | High-Side Power Distribution Controller | |
| Fabricantes | ANPEC | |
| Logotipo |  |
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APL3542A
High-Side Power Distribution Controller
Features
General Description
• High-Side Driver for an External N-Channel APL3542A is a high-side power distribution controller for
MOSFET
• Under-Voltage Lockout (UVLO)
• Wrong VIN Input Voltage Protection
• Output Under-Voltage Protection (UVP)
• Short-Circuit Protection During Power-up (SCP)
• Over-Current Protection (OCP)
• Selectable VIN Monitor Voltage
• Shutdown Function
an external N-channel MOSFET, allow for +12V, +19V or
+5V power-supply rail. The wrong input voltage protec-
tion function protects a wrong input adapter insertion, when
input voltage is out of the target input voltage range the IC
is off.
The over-current protection monitors the output current
by using the voltage drop across the external sensing
resistor, when output current reaches the trip point the IC
will be shut down. The APL3542A also provides a short-
• Power Okay (POK) Function
circuit protection during power-up. The device monitors
• Lead Free and Green Devices Available
(RoHS Compliant)
VOUT voltages for a short-circuit detection, if a short-cir-
cuit condition is detected the IC will be shut down.
Other features include a POK output to indicate the out-
put voltage is ready, and a logic-controlled shutdown
mode.
Applications
• AIO Computers
• Notebooks
Pin Configuration
VCNTL 1
VIN 2
ISENSE 3
DRV 4
OUT 5
EP
(GND)
TDFN3x3-10
(Top View)
10 VINSEL
9 EN
8 POK
7 OCSET
6 DELAY
=Exposed Pad. Power’s and signal’s return
path. Connect this pad to large copper area for
better heat dissipation.
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and
advise customers to obtain the latest version of relevant information to verify before placing orders.
Copyright © ANPEC Electronics Corp.
Rev. A.5 - Jan., 2017
1
www.anpec.com.tw
1 page  
APL3542A
Typical Operating Characteristics
VCNTL Supply current vs. VCNTL
Supply Voltage
900
800 EN=High
700
600
500
400
300 TA=25oC
200
100
0
5
EN=Low
10 15
20 25
VCNTL Supply Voltage (V)
EN Logic Threshold Voltage vs.
VCNTL Supply Voltage
1.4
EN Input Logic High Threshold
1.2
1.0
EN Input Logic Low Threshold
0.8
0.6
0.4
0.2 TA=25oC
0
5 10 15
20 25
VCNTL Supply Voltage (V)
EN Input Logic Threshold Voltage
vs. Junction Temperature
1.6
1.4 EN Input Logic High Threshold
1.2
1.0
0.8 EN Input Logic Low Threshold
0.6
0.4
0.2 VCNTL=19V
0 -50 0 50 100
Junction Temperature (oC)
150
Copyright © ANPEC Electronics Corp.
Rev. A.5 - Jan., 2017
5
VINSEL Detection Threshold Voltage
vs. VCNTL Supply Voltage
3.0
2.8
2.6 VVINSEL(H)
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0 VVINSEL(L)
0.8
0.6
0.4
0.2
0
5 10 15
2 30 35
VCNTL Supply Voltage (V)
VINSEL Detection Threshold
Voltage vs. Junction Temperature
3.0
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
-50
VVINSEL(H)
VVINSEL(L)
0 50 100 150
Junction Temperature (oC)
POK Rising Delay Time vs. VCNTL
Supply Voltage
12
11
10
9
8
7
6
5 5 10 15 20 25
VCNTL Supply Voltage (V)
www.anpec.com.tw
5 Page 
APL3542A
Typical Application Circuit
19V
CVIN
10µF
VOUT
R4 10Ω
CCNTL
0.47µF
5V
R3
10 kΩ
VCNTL POK
RS
5mΩ
RG 47Ω
Q1
CG
10 nF
VIN
VINSEL
ISENSE
DRV APL3542A
EN
DELAY
COUT
470µ F
VOUT GND OCSET
R1
24kΩ
1%
R2
2 kΩ
1%
ON
ROCSET
10 kΩ
OFF
CDELAY
0.1 µF
Use R resistor to sense output current
S
19V
V OUT
R4 10 Ω
C CNT L
0.47µF
VCNTL
5V
R3
10 kΩ
POK
VIN
VINSEL
RG 47 Ω
Q1
DRV
CG
10 nF
APL3542A
EN
C O UT
470µ F
R5
100kΩ
VOUT
DELAY
ISENSE
GND
OCSET
R1
24kΩ
1%
R2
2.4 kΩ
1%
ON
R O CSET
10 kΩ
OFF
C DELAY
0.1µF
Use MOSFET’s on-resistance to sense output current
Copyright © ANPEC Electronics Corp.
Rev. A.5 - Jan., 2017
11
www.anpec.com.tw
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet APL3542A.PDF ] | |
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