AP8012 Datasheet PDF - Chipown

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AP8012
Chipown

Part Number AP8012
Description GREEN POWER OFF LINE SMPS PRIMARY SWITCHE
Page 8 Pages


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AP8012
Chipown
GREEN POWER
OFF LINE SMPS PRIMARY SWITCHE
Features
z 85v to 265v wide range AC voltage input
z A 730v MOSFET on the same silicon chip
z Auto start up with high voltage current source
z PWM with current mode control
z 10v to 39v wide range VCC voltage
z Fixed 55KHz switching frequency
z Automatic skip cycle mode in low load condition.
z Over temperature, over current and over voltage
protection
z Auxiliary under voltage lockout with hysteresis
z Electromagnetic Oven power supplies
z Air Conditioner power supplies
z AC/DC LED Driver Applications
Package
Type
European (195-265 Vac)
US (85-265 Vac)
SO8 DIP8
8W 13W
5 W 8W
Applications
z Power AC/DC Adapters for Chargers
Typical Application
AC
+
DC
-
COMP
VCC SW
AP8012
GND
4/F, Building F, IT industry Park No.21 Changjiang Road, Wuxi New Destrict Tel: +86(510)8521-7718 Ver 2.0 http://www.chipown.com.cn
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AP8012
Pin Configuration
GND 1
GND 2
COMP 3
VCC 4
SOP-8
Chipown
8 SW
7 SW
6 SW
5 SW
GND 1
GND 2
COMP 3
VCC 4
8 SW
7 SW
6 SW
5 SW
DIP 8
Pin Definitions
Pin Number
Pin Name
1,2 GND
3 COMP
4 VCC
5,6,7,8
SW
Pin Function Description
Sense FET source terminal on primary side and internal control ground.
Feedback input defines the peak drain MOSFET current.
Positive supply voltage input. Although connected to an auxiliary transformer
winding, current is supplied from SW via an internal switch during startup (see
Internal Block Diagram section). It is not until VCC reaches them UVLO upper
threshold (15.5V) that the internal start-up switch opens and device power is
supplied via the auxiliary transformer winding.
The SW pin is designed to connect directly to the primary lead of the transformer
and is capable of switching a maximum of 700V.
Internal Block Diagram
VCC
OTP
-
+
UVLO CONTROL
+
-
OVP DETECT
LEB
STARTUP SOURCE
STARTUP
CONIROL
R1 PWMLATCHER
R2
R3 FF
Q
R4 S
OSCILITOR
OUTPUT
DRIVER
M1
SW
M2
PRE-
REGULATOR
REFERENCE
BIAS
R1 R2
COMP
GND
4/F, Building F, IT industry Park No.21 Changjiang Road, Wuxi New Destrict Tel: +86(510)8521-7718 Ver 2.0 http://www.chipown.com.cn
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AP8012
Chipown
Absolute Maximum Ratings
(Ta=25°C, unless otherwise specified)
Symbol
Parameter
VSW
ID
VCC
SW to GND Voltage (Tj=25-125°C)
Continuous VDMOS Drain Current
Supply Voltage
ICOMP
VESDMM
Feedback Current
Electrostatic Discharge:
Machine Model ((R=0; C=200pF)
VESDHBM
Electrostatic Discharge:
HBM
Tj Junction Operating Temperature
Tc Case Operating Temperature
Tstg Storage Temperature
Electrical Characteristic (Power)
Symbol
BVDSS
IDSS
RDSON
Tr
Tf
COSS
Parameter
VDMOS Breakdown Voltage
Zero Gate Voltage Drain Current
Static Drain-Source on Resistance
Rise Time
Fall Time
VDMOS Drain Capacitance
Condition
ID=1mA;
VCOMP=2V
VDS=500V;
VCOMP=2V;
VGS=10V
ID=0.4A;
ID=0.1A;
VIN=300V
ID=0.2A;
VIN=300V
VDS=25V
Value
-0.3 ... 730
Internally limited
0...50
3
200
2000
Internally limited
-40 to 150
-55 to 150
Min. Typ. Max.
730 750
100
27 30
50
100
40
Unit
V
A
V
mA
V
V
°C
°C
°C
Unit
V
μA
ns
pF
4/F, Building F, IT industry Park No.21 Changjiang Road, Wuxi New Destrict Tel: +86(510)8521-7718 Ver 2.0 http://www.chipown.com.cn
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AP8012
Chipown
Electrical Characteristic (Control)
(Ta=25°C, VCC=18V, unless otherwise specified)
Symbol Parameter
Condition
UVLO SECTION
VSTART
VCC Start Threshold Voltage
VSTOP
VCC Stop Threshold Voltage
VHYS
VCC Threshold Hysteresis
OSCILLATOR SECTION
FOSC Initial Accuracy
ΔF/ΔT
Frequency Change
Temperature
With
VCOMP=0V
VCOMP=0V
VSTOPVCC35
V; 0Tj100°C
-25°C Tj
+85°C
FEEDBACK SECTION
ICOMP
RCOMP
Feedback Shutdown Current
COMP Pin Input Impedance
Tj=25°C,
VCOMP = 0V
ID=0mA
CURRENT LIMIT(SELF-PROTECTION)SECTION
GID
ILIM
TD
TBB
TONMIN
ICOMP to ID Current Gain
Peak Current Limit
Current Sense Delay to Turn-Off
Blanking Time
Minimum Turn On Time
Tj = 25°C
ID=0.2A
PROTECTION SECTION
TSD
THYST
VOVP
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
Over Voltage Protection
SUPPLY CURRENT SECTION
ICH
ICHOFF
Startup Charging Current
Start Up Charging Current
in Thermal Shutdown
Operating Supply Current
VCC=5V;
VDS=100V
Tj > TSD
IOP0 (Control Part Only)
Switching
VCOMP = 0V
Operating Supply Current
IOP1 (Control Part Only)
Not Switching
VCOMP = 2V
Min.
14
8
5.8
48
0.32
140
39
Typ. Max.
15.5 17
9 10
6.5 7.2
55 62
±5 ±10
0.9
1.4
320
0.40 0.48
200
500
700
170 -
40
43 47
1
0.2
4
2.6 5
Unit
V
V
V
kHz
%
mA
k
A
ns
ns
ns
°C
°C
V
mA
mA
mA
mA
4/F, Building F, IT industry Park No.21 Changjiang Road, Wuxi New Destrict Tel: +86(510)8521-7718 Ver 2.0 http://www.chipown.com.cn
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