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PDF APW8713D Data sheet ( Hoja de datos )
| Número de pieza | APW8713D | |
| Descripción | High Input Voltage 10A PWM Converter | |
| Fabricantes | ANPEC | |
| Logotipo |  |
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APW8713D
High Input Voltage 10A PWM Converter With Adj. Soft Start
Features
General Description
• Adjustable Output Voltage from +0.8V to +12V
The APW8713D is a 10A, synchronous, step-down con-
- 0.8V Reference Voltage
verter with integrated 27mΩ N-channel High-Side
- +1% Accuracy over Temperature
MOSFET and 7mΩ Low-Side MOSFET. The APW8713D
• Operates from An Input Battery Voltage Range of steps down high voltage to generate low-voltage chipset
+2.7V to +28V
or RAM supplies in notebook computers.
• 20mA Low Dropout Regulator (LDO) with Fixed 5. The APW8713D provides excellent transient response and
3V Output
• Power-On-Reset Monitoring on LDO pin
• Excellent line and load transient responses
accurate DC voltage output in either PFM or PWM Mode.
In Pulse Frequency Mode (PFM), the APW8713D provides
very high efficiency over light to heavy loads with loading-
modulated switching frequencies. In PWM Mode, the con-
• PFM mode for increased light load efficiency
verter works nearly at constant frequency for low-noise
• Programmable PWM Frequency from 100kHz to requirements.
1000kHz
The APW8713D is equipped with accurate current-limit,
• Integrated 27mΩ at LDO=5V N-Channel MOSFET output under-voltage, and output over-voltage protections,
For High Side
perfect for various applications. A Power-On-Reset func-
• Integrated 7mΩ at LDO=5V N-Channel MOSFET For tion monitors the voltage on VLDO to prevent wrong
Low Side
operation during power-on. The APW8713D has external
• Integrated Bootstrap Forward P-CH MOSFET
adjustable soft-start and built-in an integrated output dis-
charge method for soft stop. A soft-start ramps up the
• External Adjustable Soft-Start and Soft-Stop
output voltage with programmable timing to reduce the
• Selectable Forced PWM or automatic PFM/PWM start-up current. A soft-stop function actively discharges
mode
the output capacitors.
• Power Good Monitoring
The APW8713D is available in TQFN4x4-23 (Power PAK).
• 70% Under-Voltage Protection
• 125% Over-Voltage Protection
• Current-Limit Protection
Applications
- Using Sense Low-Side MOSFET’s RDS(ON)
• Over-Temperature Protection
• TQFN-23 4mmx4mm package
• Lead Free and Green Device Available (RoHS
Compliant)
• Notebook
• Mother Board
• Table PC
• Hand-Held Portable
• AIO PC
• Set-top boxes
• LCD TV
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.6 - Nov., 2015
1
www.anpec.com.tw
1 page  
APW8713D
Electrical Characteristics
Unless otherwise specified, these specifications apply over VIN=12V,VEN=5V and TA= -40 to 85 oC. Typical values are at TA=25oC.
Symbol
Parameter
POWER-OK INDICATOR
VPOK
POK Threshold
IPOK POK Leakage Current
POK Sink Current
POK Out Debounce Time2
POK Enable Delay Time
CURRENT SENSE
IOCP OCP Threshold
Zero Crossing Comparator
Offset
PROTECTION
VUV UVP Threshold
UVP Debounce Interval
UVP Enable Delay
VOVR
OVP Rising Threshold1
OVP Propagation Delay
TOTR
OTP Rising Threshold
OTP Hysteresis
LDO OUTPUT
VLDO
LDO Output Voltage
Test Condition
POK in from Lower (POK Goes
High)
POK out from Normal (POK Goes
Low)
VPOK=5V
VPOK=0.5V，
When run away 90%
From EN High to POK High
Valley Current of IL
VGND-LX Voltage, PFM=0V
EN high to UVP workable
OVP Occur
VFB Rising, Over Voltage=10mV
LDOIN=12V, No load
Min.
APW8713D
Typ. Max.
Unit
87 90 93 %
120 125 130 %
-
1.25
-
-
0.1
7.5
20
Tss
- µA
- mA
- µs
- ms
11 - - A
-5 0 5 mV
65 70 75 %
16 µs
Tss ms
120 125 130 %
- 3 - µs
- 145 - oC
- 45 - oC
- 5.3 - V
Copyright © ANPEC Electronics Corp.
Rev. A.6 - Nov., 2015
5
www.anpec.com.tw
5 Page 
APW8713D
Block Diagram
125% VREF
POK
Delay
LX
Mean Value
Circuit
TON
PFM
90% VREF
125% VREF
OV
70% VREF
FB
Fault
Latch
Logic
UV
Thermal
Shutdown
Error
Comparator
On-Time
Generator
PFM
EN
LDO
LDO
VREF
POR
LX
Soft-Start
LDO
LDOIN
SS
Current
Limit
Reference
LDO
Gate
Driver
UG
VLX
LDO
Gate
Driver
LG
GND
VIN
BOOT
LX
PGND
Copyright © ANPEC Electronics Corp.
Rev. A.6 - Nov., 2015
11
www.anpec.com.tw
11 Page | ||
| Páginas | Total 25 Páginas | |
| PDF Descargar | [ Datasheet APW8713D.PDF ] | |
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