PN8106 Datasheet PDF - Chipown


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PN8106
Chipown

Part Number PN8106
Description Low Standby-Power Off-Line PWM Converters
Page 8 Pages

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PN8106
Chipown
Low Standby-Power Off-line PWM converters
General Description
The PN8106 consists of an integrated Pulse Width Modulator (PWM) controller and power MOSFET, specifically designed for a
high performance off-line converter with minimal external components. PN8106 offers complete protection coverage with automatic
self-recovery feature including Cycle-by-Cycle current limiting (OCP), over voltage (OVP) and overload protection (OLP), over
temperature protection (OTP) and soft-start. Burst mode operation and device very low consumption helps to meet the standby
energy saving regulations. Excellent EMI performance is achieved with frequency modulation. The device consists of the high
voltage start-up circuit. The device provides an advanced platform well suited for low standby-power and cost-effective flyback
converters.
Features
Applications
Internal 730 V avalanche-rugged power MOSFET
Switch AC/DC Adaptor and Battery Charger
■ Operating Frequency(60kHz)
Auxiliary Power for White Goods, PC,Audio
Frequency modulation for low EMI
LCD /PDP TV Power
Burst-mode Operation
LED Drivers
No-load consumption power < 40 mW @220VAC
Built-in Soft Start
Internal HV Start-up Circuit
Pin Assignments
Open frame output power >18W @230VAC
DIP8/DIP7
Excellent Protection Coverage:
Over Temperature Protection (OTP)
Adjustable and accurate Over Voltage Protection (OVP)
GND
VDD
SW
SW
Adjustable Pulse-by-Pulse Over Current Protection (OCP)
Over Load Protection (OLP)
Auto- recovery protection Mode
CTRL
COMP
(NC)
NC
Typical Application Schematic
AC
85~265V
Snubber
DC
Output
OTP
Block
VDD
SUPPLY
&UVLO
SW
HV Start
Block
CTRL
COMP
Control
Block
FB
Block
PWM Switch
&Gate Driver
PN8106
GND
8/F, ChuangYuan Building No.21-1 Changjiang Road, Wuxi New Destrict Tel: +86(510)8521-7718 http://www.chipown.com.cn
Rev.B.1106
1/8
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PN8106
Pin Definitions
Table 1. Pin Definitions
Pin Number
1
2
3
Pin Name
GND
VDD
CTRL
4 COMP
5
6
7
8
Note: NC Pin can not be connected
NC
SW
Pin Function Description
Ground.
Positive Supply voltage Input..
Control pin of adjustable Pulse-by-Pulse Current Limiting
and output voltage monitoring.
Voltage feedback. By connecting a opto-coupler to close the
control loop and achieve the regulation.
No connection
HV MOSFET Drain pin. The Drain pin is connected to the
primary lead of the transformer.
Typical power
Table 2. Typical power
Part number
Adapter(1)
Open frame(2)
PN8106
230 VAC
85-265 VAC
16W
10W
Note:
1. Typical continuous power in a non-ventilated enclosed adapter measured at 55°C ambient temperature.
2. Maximum practical continuous power in an open-frame design at 55°C and 25°C ambient.
18 / 23W
12 / 17W
Absolute Maximum Ratings
Supply voltage Pin VDD………………………………………………………..-0.3~20V
High-Voltage Pin, SW…………………………………………………………….730V
Pin CTRL, COMP…………………………………………………………………-0.3~5.5V
Operating Junction Temperature…………………………………………………-40~140
Storage Temperature Range………………………………………………………-55~150
Lead Temperature……………………………………………………………….250
Package Thermal Resistance (DIP-8)……………………………………………..100/W
Power Dissipation (DIP-8, at Ambient Temperature = 85)……………………..1W
ESD voltage Protection (HBM)…………………………………………………….4.0kV
Pulse drain current…………………………………………………………………3.0A
8/F, ChuangYuan Building No.21-1 Changjiang Road, Wuxi New Destrict Tel: +86(510)8521-7718 http://www.chipown.com.cn
Rev.B.1106
2/8



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PN8106
Electrical Characteristics
(TJ =25°C, VDD = 14 V; unless otherwise specified)
Table 3. Power section
SYMBOL
PARAMETER
CONDITIONS
MIN
VBVDSS
IOFF
RDS(on)
COSS
Break-down voltage
Off-state drain current
Drain-source on state
resistance
Effective output capacitance
ISW = 250uA, VCOMP = GND,
TJ = 25
VSW = 600 V, VCOMP = GND
ISW = 0.4A, VCOMP = 3V,
VLUV = GND,TJ = 25
ISW = 0.4A, VCOMP = 3V, TJ =
125
VSW = 0~640 V
730
TYP
750
6
12
22
MAX
100
7
14
Table 4. Supply section
SYMBOL
VOLTAGE
VSW_START
IDD_CH
VDD
VDDclamp
VDDon
VDDoff
VDD(RESTART)
PARAMETER
CONDITIONS
MIN TYP MAX
Drain-source start voltage
Start up charging current
VSW = 100 V, VCOMP =
GND, VDD = 4 V
VSW = 100 V , VCOMP =
GND, VDD = 4 V after fault.
60 80 100
-3
-0.6
Operating voltage range
After turn-on
8.5 18
VDD clamp voltage
IDD = 20 mA
20
VDD start up threshold
12 13 14
VDD under voltage shutdown VSW = 120 V, VCOMP = GND
78 9
threshold
VDD restart voltage threshold VSW = 120 V, VCOMP = GND
4
4.5
5
SUPPLY CURRENT SECTION
IDD0
IDD1
IDD_FAULT
IDD_OFF
Operating supply current, not
switching
Operating supply current,
switching
Operating supply current,
with protection tripping
Operating supply current with
VDD < VDD_OFF
VCOMP = GND, FSW = 0 kHz,
VLUV = GND, VDD = 10 V
VSW = 120 V, FSW = 62 kHz
VDD = 7 V
0.9
1.7
280 350
240 300
UNIT
V
uA
Ω
Ω
pF
UNIT
V
mA
mA
V
V
V
V
V
mA
mA
uA
uA
8/F, ChuangYuan Building No.21-1 Changjiang Road, Wuxi New Destrict Tel: +86(510)8521-7718 http://www.chipown.com.cn
Rev.B.1106
3/8



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PN8106
Table 5. Controller section (TJ = 25°C, VDD = 14 V; unless otherwise specified)
SYMBOL
PARAMETER
CONDITIONS
MIN TYP MAX
COMP pin
VCOMP_olp
VCOMP_lin
VCOMP_bm
VCOMP_bm_hys
Over load shut down
threshold
Linear dynamics upper limit
Burst mode threshold
Burst mode hysteresis
ICOMP
Feedback sourced current
CTRL pin
VCTRL_l
Low level clamp voltage
CURRENT LIMIT
IDlim
Max drain current limitation
tSS Soft-start time
TON_MIN
Minimum turn ON time
td Propagation delay
tLEB
ID_BM
Leading edge blanking
Peak drain current during
burst mode
OSCILLATOR SECTION
FOSC
Switching Frequency
FD Frequency Variation
FM Modulation frequency
DMAX
Maximum duty cycle
OVER VOLTAGE PROTECTION ( OVP)
VOVP
TSTROBE
Over voltage protection
threshold
Over voltage protection
strobe time
THERMAL SECTION
Thermal shutdown
TSD
temperature
Voltage falling
Voltage rising
VCOMP = 0.3 V
3.3 V < VCOMP < 4.8 V
ICTRL = -100 uA
VCOMP = 4 V,
ICTRL = -10 µA
TJ = 25 °C
VCOMP = 0.6 V
VDD = operating voltage
range, VCOMP = 1 V
4.5 4.8 5.2
3.1 3.4 3.6
0.45
50
-150 -200 -280
-3
0.5
0.72 0.8 0.88
8.5
450
150
300
160 180
54 60 66
±5
250
70 80
2.7 3 3.3
2.2
140 160
THYST
Thermal shutdown hysteresis
30
UNIT
V
V
V
mV
uA
uA
V
A
ms
ns
ns
ns
mA
kHz
kHz
Hz
%
V
us
°C
°C
8/F, ChuangYuan Building No.21-1 Changjiang Road, Wuxi New Destrict Tel: +86(510)8521-7718 http://www.chipown.com.cn
Rev.B.1106
4/8




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