FSL137HNY [ONSEMI]

用于 19 W 离线反激式转换器的 700 V 集成电源开关,100 kHz,提供通电/欠压保护;
FSL137HNY
型号: FSL137HNY
厂家: ONSEMI    ONSEMI
描述:

用于 19 W 离线反激式转换器的 700 V 集成电源开关,100 kHz,提供通电/欠压保护

开关 信息通信管理 电源开关 光电二极管 转换器
文件: 总15页 (文件大小:1192K)
中文:  中文翻译
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Green Mode Power Switch  
FSL137H  
Description  
The highly integrated FSL137H consists of an integrated current  
mode Pulse Width Modulator (PWM) and an avalancherugged 700 V  
®
SENSEFET . It is specifically designed for highperformance offline  
Switch Mode Power Supplies (SMPS) with minimal external  
components.  
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The integrated PWM controller features include a proprietary  
greenmode function that provides offtime modulation to linearly  
decrease the switching frequency at lightload conditions to minimize  
standby power consumption. To avoid acoustic noise problems,  
the minimum PWM frequency is set above 18 kHz. The greenmode  
function enables the power supply to meet international power  
conservation requirements. With the internal highvoltage startup  
circuitry, the power loss due to bleeding resistors is also eliminated.  
To further reduce power consumption, the PWM controller is  
manufactured using the BiCMOS process, which allows an operating  
current of only 3.5 mA.  
PDIP8 9.59x6.6, 2.54P  
CASE 646CM  
MARKING DIAGRAM  
The FSL137H builtin synchronized slope compensation achieves  
stable peakcurrentmode control. The proprietary external line  
compensation ensures constant output power limit over a wide  
$Y&Z&2&K  
L137H  
AC input voltage range, from 90 V to 264 V  
.
AC  
AC  
The FSL137H provides many protection functions. In addition  
to cyclebycycle current limiting, the internal openloop protection  
circuit ensures safety when an openloop or output shortcircuit  
$Y  
&Z  
&2  
&K  
= ON Semiconductor Logo  
= Assembly Plant Code  
= 2Digit Date code format  
= 2Digits Lot Run Traceability Code  
= Specific Device Code Data  
failure occurs. PWM output is disabled until V  
drops below  
DD  
the UVLO lower limit, when the controller starts up again. As long as  
exceeds ~28 V, the internal OVP circuit is triggered.  
L137H  
V
DD  
Compared to a discrete MOSFET and controller or RCC switching  
converter solution, the FSL137H reduces total component count,  
design size, and weight while increasing efficiency, productivity,  
and system reliability. These devices provide a basic platform well  
suited for design of costeffective flyback converters.  
ORDERING INFORMATION  
See detailed ordering and shipping information on page 2 of  
this data sheet.  
Features  
Builtin 5 ms SoftStart Function  
Internal Avalanche Rugged 700 V SENSEFET  
Low Audio Noise  
Applications  
Generalpurpose switchmode power  
supplies and flyback power converters,  
including:  
HighVoltage Startup  
Fixed PWM Frequency at 100 kHz  
Linearly Decreasing PWM Frequency to 18 kHz  
PeakCurrentMode Control  
CyclebyCycle Current Limiting  
LeadingEdge Blanking (LEB)  
Synchronized Slope Compensation  
Internal Openloop Protection (OLP)  
SMPS for VCR, STB, DVD & VCD  
Player, Printer, Facsimile, & Scaner  
Adapter for Camcorder  
V UnderVoltage Lockout (UVLO)  
DD  
V OverVoltage Protection (OVP)  
DD  
Constant Power Limit (Full AC Input Range)  
Internal OTP Sensor with Hysteresis  
© Semiconductor Components Industries, LLC, 2009  
1
Publication Order Number:  
June, 2020 Rev. 2  
FSL137H/D  
FSL137H  
Table 1. ORDERING INFORMATION  
Part Number  
Operating Temperature Range  
40°C to 105°C  
SENSEFET  
3.0 A 700 V  
Package  
Packing Method  
FSL137HNY  
8Lead, Dual Inline Package (DIP)  
Tube  
APPLICATION DIAGRAM  
Figure 1. Typical Flyback Application  
Table 2. OUTPUT POWER TABLE (Note 1)  
230 V + 15% (Note 2)  
85265 V  
AC  
AC  
Adapter (Note 3)  
17.5 W  
Open Frame (Note 4)  
Adapter (Note 3)  
Open Frame (Note 4)  
Product  
FSL137H  
25 W  
13 W  
19 W  
1. The maximum output power can be limited by junction temperature.  
2. 230 V or 100/115 V with doublers.  
AC  
AC  
3. Typical continuous power in a nonventilated enclosed adapter with sufficient drain pattern as a heat sink, at T = 50°C ambient.  
A
4. Maximum practical continuous power in an openframe design with sufficient drain pattern as a heat sink, at T = 50°C ambient.  
A
INTERNAL BLOCK DIAGRAM  
Figure 2. Internal Block Diagram  
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2
 
FSL137H  
PIN CONFIGURATION  
GND  
VDD  
FB  
Drain  
Drain  
8DIP  
Drain  
HV  
VIN  
Figure 3. Pin Configuration  
Table 3. PIN DEFINITIONS  
Pin No.  
Name  
GND  
VDD  
FB  
Description  
1
2
3
Ground. SENSEFET source terminal on primary side and internal controller ground.  
Power Supply. The internal protection circuit disables PWM output as long as V exceeds the OVP trigger point.  
DD  
Feedback. The signal from the external compensation circuit is fed into this pin. The PWM duty cycle is determined  
in response to the signal on this pin and the internal currentsense signal.  
4
VIN  
LineVoltage Detection. The linevoltage detection is used for brownout protection with hysteresis and constant  
output power limit over universal AC input range. This pin has additional protections that are pullHIGH latch and  
pulllow auto recovery, depending on the application.  
5
HV  
Startup. For startup, this pin is pulled HIGH to the line input or bulk capacitor via resistors.  
SENSEFET Drain. Highvoltage power SENSEFET drain connection.  
6, 7, 8  
Drain  
Table 4. ABSOLUTE MAXIMUM RATINGS  
Symbol  
Parameter  
Min  
Max  
700  
12  
Unit  
V
V
DRAIN  
Drain Pin Voltage (Note 5, 6)  
Drain Current Pulsed (Note 7)  
Single Pulsed Avalanche Energy (Note 8)  
DC Supply Voltage  
I
A
DM  
E
AS  
230  
30  
mJ  
V
V
VDD  
V
FB Pin Input Voltage  
0.3  
0.3  
7.0  
V
FB  
V
VIN  
VIN Pin Input Voltage  
7.0  
V
V
HV Pin Input Voltage  
700  
1.5  
V
HV  
P
Power Dissipation (T < 50°C)  
W
D
A
q
JunctiontoAir Thermal Resistance  
80  
°C/W  
°C/W  
°C  
°C  
°C  
kV  
JA  
Y
JunctiontoTop Thermal Resistance (Note 9)  
Operating Junction Temperature  
35  
JT  
T
+150  
150  
+260  
4.5  
J
T
STG  
Storage Temperature Range  
55  
T
Lead Temperature (Wave Soldering or IR, 10 Seconds)  
L
ESD  
Electrostatic Discharge Capability,  
All Pins Except HV Pin (Note 10)  
Human Body Model: JESD22A114  
Charged Device Model: JESD22C101  
1.5  
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality  
should not be assumed, damage may occur and reliability may be affected.  
5. All voltage values, except differential voltages, are given with respect to the network ground terminal.  
6. Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device.  
7. Nonrepetitive rating: Pulse width is limited by maximum junction temperature.  
8. L = 51 mH, starting T = 25°C.  
J
9. Measured on the package top surface.  
10.All pins including HV pin: HBM = 1 kV, CDM = 1.25 kV  
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3
 
FSL137H  
Table 5. RECOMMENDED OPERATING CONDITIONS  
Symbol  
Parameter  
Operating Ambient Temperature  
Min  
Max  
Unit  
T
A
40  
+105  
°C  
Functional operation above the stresses listed in the Recommended Operating Ranges is not implied. Extended exposure to stresses beyond  
the Recommended Operating Ranges limits may affect device reliability.  
Table 6. ELECTRICAL CHARACTERISTICS (V = 15 V, T = 25°C unless otherwise noted)  
DD  
A
Symbol  
Parameter  
Test Condition  
Min  
Typ  
Max  
Unit  
SENSEFET SECTION (Note 11)  
BV  
DrainSource Breakdown Voltage  
ZeroGateVoltage Drain Current  
V
V
V
= 0 V  
700  
V
DSS  
GS  
DS  
DS  
I
= 700 V, V = 0 V  
0.5  
1
50.0  
200  
DSS  
GS  
mA  
= 560 V, V = 0 V,  
T = 125°C  
GS  
A
R
DrainSource OnState Resistance  
(Note 12)  
V
GS  
= 10 V, I = 0.5 A  
4.00  
4.75  
W
DS(ON)  
D
C
Input Capacitance  
Output Capacitance  
Reverse Transfer Capacitance  
Turnon Delay Time  
Rise Time  
V
GS  
V
GS  
V
GS  
V
DS  
V
DS  
V
DS  
V
DS  
= 0 V, V = 25 V, f = 1MHz  
315  
47  
410  
61  
pF  
pF  
pF  
ns  
ns  
ns  
ns  
ISS  
DS  
C
= 0 V, V = 25 V, f = 1MHz  
DS  
OSS  
RSS  
C
= 0 V, V = 25 V, f = 1MHz  
9
14  
DS  
t
= 350 V, I = 1.0 A  
11.2  
34  
33.0  
78  
d(on)  
D
t
r
= 350 V, I = 1.0 A  
D
t
Turnoff Delay Time  
Fall Time  
= 350 V, I = 1.0 A  
28.2  
32  
67.0  
74  
d(off)  
D
t
f
= 350 V, I = 1.0 A  
D
V
DD  
SECTION  
V
Continuously Operating Voltage  
Start Threshold Voltage  
22  
13  
9
V
V
OP  
V
11  
7
12  
8
DDON  
V
Minimum Operating Voltage  
Startup Current  
V
DDOFF  
I
V
V
V
V
0.16 V  
30  
4.0  
mA  
mA  
mA  
mA  
V
DDST  
DDOP  
DDBM  
DDOLP  
DDON  
I
I
Operating Supply Current  
GreenMode Operating Supply Current  
Internal Sink Current  
= 15 V, V = 3 V  
3.0  
3.5  
2
DD  
FB  
FB  
= V  
FBG  
I
+ 0.1 V  
30  
5
60  
6
90  
7
THOLP  
V
I
Off Voltage  
THOLP  
DDOLP  
V
V
OverVoltage Protection  
OverVoltage Protection  
27  
75  
28  
130  
29  
200  
V
DDOVP  
DD  
DD  
t
V
ms  
DVDDOVP  
Debounce Time  
HV SECTION  
I
Maximum Current Drawn from HV Pin  
Leakage Current After Startup  
HV 120 V , V = 0 V with 10 mF  
1.5  
3.5  
1
5.0  
20  
mA  
HV  
DC  
DD  
I
HV 700 V, V = V + 1 V  
DDOFF  
mA  
HVLC  
DD  
OSCILLATOR SECTION  
f
Frequency in Nominal Mode  
GreenMode Frequency  
Maximum Duty Cycle  
Center Frequency  
94  
14  
100  
18  
106  
22  
kHz  
kHz  
%
OSC  
f
OSCG  
D
85  
MAX  
f
Frequency Variation vs. V Deviation  
V = 9 V to 22 V  
DD  
5
5
%
DV  
DD  
f
Frequency Variation vs. Temperature  
Deviation (Note 11)  
T = 40 to +105°C  
A
%
DT  
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4
 
FSL137H  
Table 6. ELECTRICAL CHARACTERISTICS (V = 15 V, T = 25°C unless otherwise noted) (continued)  
DD  
A
Symbol  
SECTION  
Parameter  
Test Condition  
Min  
Typ  
Max  
Unit  
V
IN  
V
PWM Turnon Threshold Voltage  
Release Latch Voltage  
0.98  
0.65  
4.9  
1.03  
0.70  
5.2  
1.08  
0.75  
5.5  
V
V
INON  
V
INRL  
V
Pull HIGH Latch Trigger Level  
Pull HIGH Latch Debounce Time  
Pull LOW Auto Recovery Trigger Level  
V
INH  
INH  
t
100  
0.3  
ms  
V
V
0.2  
0.4  
INL  
FEEDBACK INPUT SECTION  
FB Voltage to CurrentSense Attenuation  
A
V
14  
V/V  
kW  
V
Z
Input Impedance  
9.5  
FB  
FBOPEN  
V
Output High Voltage  
FB OpenLoop Trigger Level  
5
V
4.4  
50  
4.6  
56  
4.8  
59  
V
FBOLP  
t
Delay Time of FB Pin Openloop  
Protection  
ms  
DOLP  
V
GreenMode Entry FB Voltage  
GreenMode Ending FB Voltage  
2.3  
2.5  
2.7  
V
V
FBN  
V
FBG  
V
FBN  
0.1  
V
Zero Duty Cycle FB Voltage  
1.9  
2.1  
2.3  
V
FBZDC  
PWM Frequency  
f
OSC  
f
OSCG  
V
FBN  
V
V
V
FB  
FBZDC FBG  
Figure 4. VFB vs. PWM Frequency  
Symbol  
Parameter  
Test Condition  
Min  
Typ  
Max  
Unit  
CURRENTSENSE SECTION  
I
V
Peak Current Limit  
V
V
= 1.2 V  
= 3.6 V  
0.74  
0.64  
4.5  
0.84  
0.74  
5.0  
0.94  
0.84  
5.5  
A
A
LIM at IN  
IN  
= 1.2 V  
I
V
Peak Current Limit  
LIM at IN  
IN  
= 3.6 V  
t
Period during Soft Startup Time (Note 11)  
ms  
SS  
OVERTEMPERATURE PROTECTION SECTION (OTP)  
T
OTP  
Protection Junction Temperature  
(Notes 11, 13)  
142  
°C  
11. These parameters, although guaranteed, are not 100% tested in production.  
12.Pulse test: pulse width 300 ms, duty 2%.  
13.When activated, the output is disabled and the latch is turned off.  
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5
 
FSL137H  
TYPICAL CHARACTERISTICS  
Figure 6. IDDOP vs. Temperature  
Figure 5. IDDST vs. Temperature  
Figure 7. VDDON vs. Temperature  
Figure 8. VDDOFF vs. Temperature  
Figure 9. VTHOLP vs. Temperature  
Figure 10. VDDOVP vs. Temperature  
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6
FSL137H  
TYPICAL CHARACTERISTICS (continued)  
Figure 12. fOSC vs. Temperature  
Figure 11. IHV vs. Temperature  
Figure 14. VINON vs. Temperature  
Figure 13. fOSCG vs. Temperature  
Figure 16. VINH vs. Temperature  
Figure 15. VINRL vs. Temperature  
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7
FSL137H  
TYPICAL CHARACTERISTICS (continued)  
Figure 18. VFBN vs. Temperature  
Figure 17. VINL vs. Temperature  
Figure 20. tDOLP vs. Temperature  
Figure 19. VFBOLP vs. Temperature  
Figure 21. VFBZDC vs. Temperature  
Figure 22. IDDBM vs. Temperature  
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8
FSL137H  
FUNCTIONAL DESCRIPTION  
Startup Operation  
For startup, the HV pin is connected to the line input or  
frequency, as shown in Figure 25, such that the switching  
frequency decreases as load decreases. In heavy load  
bulk capacitor through the external resistor, R , as shown  
HV  
in Figure 23. Typical startup current drawn from the HV pin  
conditions, the switching frequency is 100 kHz. Once V  
FB  
is 3.5 mA and it charges the V  
capacitor through  
decreases below V  
(2.5 V), the PWM frequency starts  
DD  
FBN  
the resistor R . The startup current turns off when the V  
to linearly decrease from 100 kHz to 18 kHz to reduce  
the switching losses. As V decreases below V  
HV  
DD  
capacitor voltage reaches V  
. The V  
capacitor  
DDON  
DD  
FB  
FBG  
maintains  
V
until the auxiliary winding of  
(2.4 V), the switching frequency is fixed at 18 kHz  
and FSL137H enters into “deep” green mode to reduce  
DD  
the transformer provides the operating current.  
the standby power consumption. As V decreases below  
FB  
V
(2.1 V), FSL137H enters into burstmode  
FBZDC  
operation. When V drops below V  
, FSL137H  
FBZDC  
FB  
stops switching and the output voltage starts to drop, which  
causes the feedback voltage to rise. Once V rises above  
FB  
V , switching resumes. Burst mode alternately  
FBZDC  
enables and disables switching, thereby reducing switching  
loss to improve power saving, as shown in Figure 26.  
Frequency  
PWM  
Frequency  
100 kHz  
Figure 23. Startup Circuit  
Slope Compensation  
FSL137H is designed for flyback power converters.  
The peakcurrentmode control is used to optimize system  
performance. Slope compensation is added to stabilize  
tcurrent loop. FSL137H inserts a synchronized, positively  
sloped ramp at each switching cycle.  
V
V
V
V
FB  
FBZDC  
FBG  
FBN  
Figure 25. PWM Frequency  
SoftStart  
The FSL137H has internal softstart circuit that slowly  
increases the SENSEFET current after startup. The typical  
softstart time is 5 ms during which the V  
level is  
Limit  
increased in six steps to smoothly establish the required  
output voltage, as shown in Figure 24. It also helps to  
prevent transformer saturation and reduce the stress on  
the secondary diode during startup.  
VLimit  
0.89VLimit  
0.79VLimit  
0.68VLimit  
0.58VLimit  
0.26VLimit  
Figure 26. Burst Mode Operation  
1ms  
2ms  
3ms  
4ms  
5ms  
Figure 24. SoftStart Function  
Constant Power Control  
To limit the output power of the converter constantly,  
high/low line compensation is included. Sensing  
the converter input voltage through the VIN pin,  
the high/low line compensation function generates a relative  
GreenMode Operation  
The FSL137H uses feedback voltage (V  
an indicator of the output load and modulates the PWM  
)
FB  
as  
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9
 
FSL137H  
peakcurrentlimit threshold voltage for constant power  
control, as shown in Figure 27.  
or over current or output short occurs. There is no current  
flowing through the optocoupler transistor, which pulls up  
the feedback voltage to 6 V. When the feedback voltage is  
above 4.6 V for longer than 56 ms, OLP is triggered. This  
protection is also triggered when the SMPS output drops  
below the nominal value longer than 56 ms due to  
the overload condition.  
6 V  
V
FB  
V
O
2
PWM  
3R  
R
KA431  
Figure 27. Constant Power Control  
56 ms  
OLP  
Feedback Open  
Loop  
Protections  
4.6 V  
The FSL137H provides full protection functions to  
prevent the power supply and the load from being damaged.  
The protection features include:  
Latch/Auto Recovery Function  
The FSL137H provides additional protections by the VIN  
pin, such as pullHIGH latch and pullLOW auto recovery  
that depend on the application. As shown in Figure 28, when  
V
IN  
is higher than 5.2 V, FSL137H is latched until the V  
DD  
is discharged. FSL137H is in auto recovery when V is  
IN  
lower than 0.3 V.  
Figure 29. OLP Operation  
VDD OverVoltage Protection (OVP)  
overvoltage protection prevents IC damage caused  
V
DD  
by over voltage on the V pin. The OVP is triggered when  
DD  
V
DD  
reaches 28 V. It has a debounce time (typically 130 ms)  
to prevent false trigger by switching noise.  
Figure 28. VIN Pin Function  
OverTemperature Protection (OTP)  
The SENSEFET and the control IC are integrated, making  
it easier to detect the temperature of the SENSEFET. When  
the temperature exceeds approximately 142°C, thermal  
shutdown is activated.  
OpenLoop/Overload Protection (OLP)  
When the upper branch of the voltage divider for the shunt  
regulator (KA431 shown) is broken, as shown in Figure 29,  
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10  
 
FSL137H  
TYPICAL APPLICATION CIRCUIT  
Table 7.  
Application  
Adapter  
Devices  
Input Voltage Range  
90264Vac  
Output  
FSL137H  
12 V/1 A (12 W)  
Features  
High efficiency (>77.76% at full load) meeting Energy Star V2.0 regulation with enough margin  
Standby power < 100mW at noload condition  
Provides full protection functions:  
Table 8.  
OVP  
OTP  
OLP  
VINH  
VINL  
Latch  
Latch  
Auto Restart  
Latch  
Auto Restart  
Figure 30. Measured Standby Power and OCP  
RSN2 CSN2  
47 W  
F1  
BD1  
DF06S  
1 nF  
L1  
2 A  
470 mH  
R
RSN1 CSN1  
110 kW 1 nF  
DO  
VZ1  
470 V  
3.3 kW  
SB5100  
CO1  
RIN1  
9.4 MW  
CO2  
CDC1  
10 μF  
CDC2  
10 μF  
470 mF  
470 mF  
DSN  
FR107  
RIN2  
91 kW  
CINF  
01 mF  
FSL137H  
L2  
4.7 mH  
Drain  
GND  
RAUX  
0 W  
DDD  
FR107  
Drain  
VDD  
FB  
Drain  
HV  
CFB  
1nF  
VIN  
CDD  
10 mF  
R1  
38.2 kW  
RBIAS  
82 W  
RDB  
3.3 kW  
CF  
10 nF  
RF  
20 kW  
R2  
10 kW  
KA431  
Figure 31. Schematic of Typical Application Circuit  
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11  
FSL137H  
TYPICAL APPLICATION CIRCUIT (continued)  
Transformer Specification  
Core: EE16  
Bobbin: EE16  
Figure 32. Transformer Diagram  
Table 9.  
Terminal  
F
S
5
2
4
8
NO.  
W1  
W2  
W3  
W4  
Wire  
Ts  
13  
75  
1.2  
13  
3
4
1
2UEW 0.3*1  
2UEW 0.26*1  
Copper Shield  
10  
TEXE 0.35*1  
Core Rounding Tape  
PrimarySide Inductance = 600 mH 5%  
PrimarySide Effective Leakage < 20 mH 5%  
SENSEFET is a registered trademark of Semiconductor Components Industries, LLC (SCILLC) or its subsidiaries in the United States  
and/or other countries.  
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12  
MECHANICAL CASE OUTLINE  
PACKAGE DIMENSIONS  
PDIP8 9.59x6.6, 2.54P  
CASE 646CN  
ISSUE O  
DATE 31 JUL 2016  
0.400 10.160  
0.355  
[
9.017  
]
8
5
PIN 1 INDICATOR  
0.280 7.112  
0.240 6.096  
[
]
1
4
HALF LEAD STYLE 4X  
0.031 [0.786] MIN  
FULL LEAD STYLE 4X  
0.010 [0.252] MIN  
0.325 8.263  
0.300 7.628  
[
]
0.195 4.965  
MAX 0.210 [5.334]  
0.115  
2.933  
[ ]  
SEATING PLANE  
0.150 3.811  
0.115  
2.922  
[ ]  
C
MIN 0.015 [0.381]  
0.100 [2.540]  
0.300 [7.618]  
4X  
(0.031 [0.786])  
0.430 [10.922]  
MAX  
0.022 0.562  
0.014  
[ ]  
0.358  
4X FOR 1/2 LEAD STYLE  
8X FOR FULL LEAD STYLE  
0.070 1.778  
0.045 1.143  
0.10  
C
[
]
NOTES:  
A)THIS PACKAGE CONFORMS TJOEDEC MS−001 VARIATION BA WHICH DEFINES  
2 VERSIONS OF THE PACKAGE TERMINAL STYLE WHICH ARE SHOWN HERE.  
B) CONTROLING DIMS ARE IN INCHES  
C)DIMENSIONS ARE EXCLUSIVE OF BURRSM,OLD FLASH, AND TIE BAR EXTRUSIONS.  
D) DIMENSIONS AND TOLERANCES PER ASME Y14.5M−2009  
98AON13470G  
DOCUMENT NUMBER:  
STATUS:  
Electronic versions are uncontrolled except when  
accessed directly from the Document Repository. Printed  
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“CONTROLLED COPY” in red.  
ON SEMICONDUCTOR STANDARD  
NEW STANDARD:  
DESCRIPTION: PDIP8 9.59X6.6, 2.54P  
PAGE 1 OF2
DOCUMENT NUMBER:  
98AON13470G  
PAGE 2 OF 2  
ISSUE  
REVISION  
DATE  
31 JUL 2016  
O
RELEASED FOR PRODUCTION FROM FAIRCHILD N08M TO ON  
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