SI9108_04 [VISHAY]

1-W High-Voltage Switchmode Regulator; 1 -W高压开关模式稳压器
SI9108_04
型号: SI9108_04
厂家: VISHAY    VISHAY
描述:

1-W High-Voltage Switchmode Regulator
1 -W高压开关模式稳压器

稳压器 开关 高压
文件: 总12页 (文件大小:212K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
Si9108  
Vishay Siliconix  
1-W High-Voltage Switchmode Regulator  
FEATURES  
D CCITT Compatible  
D 10- to 120-V Input Range  
D 200-V, 250-mA MOSFET  
D Internal Start-Up Circuit  
D SHUTDOWN and RESET  
D Current-Mode Control  
D Maximum Duty Cycle of 99.9%  
D Low Power Consumption  
(less than 5 mW)  
DESCRIPTION  
The Si9108 high-voltage switchmode regulator is a monolithic  
BiC/DMOS integrated circuit which contains most of the  
components necessary to implement a high-efficiency dc/dc  
converter in ISDN terminals up to 3 watts. A 0.5-mA max  
supply current makes possible the design of a dc/dc converter  
with 60% efficiency at 25 mW, therefore meeting the  
recommended performance under the CCITT I.430  
specifications.  
This device may be used with an appropriate transformer to  
implement isolated flyback power converter topologies to  
provide single or multiple regulated dc outputs (i.e., "5 V).  
The Si9108 is available in both standard and lead (Pb)-free  
16-pin wide-body SOIC, 14-pin plastic DIP and 20-pin PLCC  
packages which are specified to operate over the industrial  
temperature range of 40_C to 85_C.  
FUNCTIONAL BLOCK DIAGRAM  
OSC OSC  
FB  
COMP  
DISCHARGE  
IN  
OUT  
Error  
Amplifier  
OSC  
Clock  
Q
+
V
REF  
2 V  
Current-Mode  
Comparator  
4 V (1%)  
R
+
Ref  
Gen  
S
+
DRAIN  
C/L  
Comparator  
V  
IN  
(BODY)  
1.2 V  
Current  
Sources  
To  
Internal  
Circuits  
BIAS  
SOURCE  
V
CC  
V
CC  
SHUTDOWN  
RESET  
Undervoltage Comparator  
S
R
+V  
IN  
Q
+
8.7 V  
+
9.3 V  
Document Number: 70883  
S-42038—Rev. B,15-Nov-04  
www.vishay.com  
1
Si9108  
Vishay Siliconix  
ABSOLUTE MAXIMUM RATINGS  
Voltages Referenced to V (V < +V + 0.3 V)  
Power Dissipation (Package)a  
14-Pin Plastic DIP (J Suffix) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 750 mW  
IN  
CC  
IN  
b
V
CC  
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 V  
c
16-Pin Plastic Wide-Body SOIC (W Suffix) . . . . . . . . . . . . . . . . . . . 900 mW  
+V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 V  
IN  
d
20-Pin PLCC (N Suffix) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1400 mW  
V
DS  
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 V  
Thermal Impedance (  
)  
JA  
I
D
I
D
(Peak) (300 s pulse, 2% duty cycle) . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 A  
14-Pin Plastic DIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167_C/W  
16-Pin Plastic Wide-Body SOIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140_C/W  
20-Pin PLCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90_C/W  
(rms) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250 mA  
Logic Inputs (RESET,  
SHUTDOWN, OSC IN) . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to V + 0.3 V  
CC  
Linear Inputs (FEEDBACK, SOURCE) . . . . . . . . . . . . . . . . . . . 0.3 V to 7 V  
HV Pre-Regulator Input Current (continuous) . . . . . . . . . . . . . . . . . . . . . 5 mA  
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 to 125_C  
Operating Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 to 85_C  
Notes  
a. Device mounted with all leads soldered or welded to PC board.  
b. Derate 6 mW/_C above 25_C  
c. Derate 7.2 mW/_C above 25_C  
d. Derate 11.2 mW/_C above 25_C  
Junction Temperature (T ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150_C  
J
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation  
of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating  
conditions for extended periods may affect device reliability.  
RECOMMENDED OPERATING RANGE  
Voltages Referenced to V  
IN  
V
CC  
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 V to 13.5 V  
R
OSC  
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 kto 1 Mꢂ  
+V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 V to 120 V  
IN  
Linear Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to V 3 V  
CC  
f
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 kHz to 1 MHz  
Digital Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to V  
CC  
OSC  
a
SPECIFICATIONS  
Test Conditions  
Unless Otherwise Specified  
Limits  
DISCHARGE = V = 0 V  
IN  
V
BIAS  
= 10 V, +V = 48 V  
CC  
IN  
Tempb  
Minc  
Typd  
Maxc  
Parameter  
Reference  
Symbol  
R
= 820 k, R  
= 910 k  
Unit  
OSC  
OSC IN = V (OSC Disabled)  
IN  
Output Voltage  
V
R
Room  
3.92  
4.00  
4.08  
V
R
= 10 Mꢂ  
L
e
Output Impedance  
Z
OSC IN = V  
Room  
Room  
Full  
15  
70  
300  
100  
45  
130  
kꢂ  
OUT  
IN  
Short Circuit Current  
I
OSC IN = V , V  
= V  
IN  
A  
mV/_C  
mV  
SREF  
IN REF  
e
Temperature Stability  
T
OSC IN = V  
0.25  
5.00  
1.0  
REF  
IN  
e
Long Term Stability  
t = 1000 hrs, T = 125_C  
Room  
25.00  
A
Oscillator  
e
Maximum Frequency  
f
R
= 0  
Room  
Room  
Room  
Full  
1
3
MHz  
kHz  
MAX  
OSC  
Initial Accuracy  
Voltage Stability  
f
See Note e  
32  
40  
48  
15  
OSC  
f
/
f
f
/
f
=
f
(
1
3
.
5
V
)
f
(
9
.
5
V
)
/
f
(
9
.
5
V
)
10  
%
e
Temperature Coefficient  
T
200  
500  
ppm/_C  
OSC  
Error Amplifier  
FB Tied to COMP  
Feedback Input Voltage  
Input BIAS Current  
V
Room  
3.96  
4
4.04  
500  
V
FB  
OSC IN = V (OSC Disabled)  
IN  
I
FB  
OSC IN = V , V = 4 V  
Room  
Room  
Room  
Room  
Room  
Room  
Room  
Room  
25  
80  
nA  
dB  
IN FB  
e
Open Loop Voltage Gain  
A
VOL  
OSC IN = V (OSC Disabled)  
60  
IN  
Input Offset Voltage  
V
OS  
"15  
0.8  
1
"40  
mV  
MHz  
e
Unity Gain Bandwidth  
BW  
0.5  
OSC IN = V  
IN  
Dynamic Output Impedance  
Z
kꢂ  
OUT  
Source (V = 3.4 V)  
1.2  
0.08  
70  
0.32  
FB  
Output Current  
I
mA  
dB  
OUT  
Sink (V = 4.5 V)  
0.05  
FB  
Power Supply Rejection  
PSRR  
10 V v V v 13.5 V  
CC  
Document Number: 70883  
S-42038—Rev. B,15-Nov-04  
www.vishay.com  
2
Si9108  
Vishay Siliconix  
a
SPECIFICATIONS  
Test Conditions  
Unless Otherwise Specified  
Limits  
DISCHARGE = V = 0 V  
IN  
V
BIAS  
= 10 V, +V = 48 V  
CC  
IN  
Tempb  
Minc  
Typd  
Maxc  
Parameter  
PWM  
Symbol  
R
= 820 k, R  
= 910 k  
Unit  
OSC  
Maximum Duty Cycle  
Dead Time  
D
Room  
Room  
Room  
99.0  
99.6  
100  
99.9  
%
ns  
%
MAX  
Minimum Duty Cycle  
D
0
MIN  
Minimum Pulse Width Before Pulse  
Drops Out  
Room  
110  
175  
ns  
Current Limit  
R
= 100 from DRAIN to V  
CC  
L
Threshold Voltage  
V
Room  
Room  
0.8  
1.0  
1.2  
V
SOURCE  
V
= 0 V  
FB  
R
V
= 100 from DRAIN to V  
CC  
L
e
Delay to Output  
t
d
200  
300  
ns  
= 1.5 V, See Figure 1  
SOURCE  
Input Voltage  
+V  
I
= 10 A  
Room  
Room  
Room  
120  
V
IN  
IN  
Input Leakage Current  
Pre-Regulator Start-Up Current  
+I  
IN  
V
w 10 V  
10  
A  
mA  
CC  
I
Pulse Width v 300 s, V = 7 V  
8
15  
START  
CC  
V
Pre-Regulator  
CC  
V
I
= 10 A  
Room  
7.5  
9.3  
9.7  
9.2  
REG  
PRE-REGULATOR  
Turn-Off Threshold Voltage  
R
L
= 100 from DRAIN to V  
See Detailed Description  
V
CC  
Undervoltage Lockout  
V
UVLO  
Room  
Room  
7.0  
8.7  
0.5  
V
REG  
V  
V
DELTA  
0.25  
UVLO  
Supply  
Supply Current  
I
Room  
Room  
Room  
Room  
Room  
0.35  
7.5  
50  
0.5  
mA  
CC  
Bias Current  
I
A
BIAS  
SHUTDOWN Delay  
SHUTDOWN Pulse Width  
RESET Pulse Width  
t
V
= V , See Figure 2  
100  
SD  
SOURCE  
IN  
t
50  
50  
SW  
RW  
ns  
t
See Figure 3  
Latching Pulse Width  
SHUTDOWN and RESET Low  
t
Room  
25  
LW  
Input Low Voltage  
V
Room  
Room  
Room  
Room  
2.0  
5
IL  
IH  
IH  
V
Input High Voltage  
V
8.0  
Input Current, Input Voltage High  
Input Current, Input Voltage Low  
I
V
= 10 V  
= 0 V  
IN  
1
IN  
A
I
IL  
V
35  
25  
MOSFET Switch  
Breakdown Voltage  
V(  
I
= 100 A  
Full  
200  
220  
5
V
BR)DSS  
DRAIN  
g
Drain-Source On Resistance  
r
I
= 100 mA  
Room  
Room  
Room  
7
DS(on)  
DRAIN  
Drain Off Leakage Current  
Drain Capacitance  
I
V
= 100 V  
10  
A  
pF  
DSS  
DRAIN  
C
DS  
35  
Notes  
a. Refer to PROCESS OPTION FLOWCHART for additional information.  
b. Room = 25_C, Cold and Hot = as determined by the operating temperature suffix.  
c. The algebraic convention whereby the most negative value is a minimum and the most positive a maximum, is used in this data sheet.  
d. Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing.  
e. Guaranteed by design, not subject to production test.  
f.  
C
Pin 8 = v 5 pF  
STRAY  
g. Temperature coefficient of r  
is 0.75% per _C, typical.  
DS(on)  
Document Number: 70883  
S-42038—Rev. B,15-Nov-04  
www.vishay.com  
3
Si9108  
Vishay Siliconix  
TIMING WAVEFORMS  
V
CC  
1.5 V  
SOURCE  
0
t v 10 ns  
f
t v 10 ns  
r
SHUTDOWN  
0
50%  
50%  
t
SD  
t
d
V
V
CC  
CC  
DRAIN  
0
DRAIN  
0
10%  
10%  
FIGURE 1.  
FIGURE 2.  
t
SW  
V
CC  
t , t v 10 ns  
f
f
50%  
50%  
SHUTDOWN  
0
t
LW  
V
CC  
50%  
50%  
50%  
RESET  
0
t
RW  
FIGURE 3.  
TYPICAL CHARACTERISTICS  
Output Switching Frequency vs. Oscillator Resistance  
2 M  
200 k  
20 k  
10 k  
100 k  
1 M  
r
Oscillator Resistance ()  
OSC  
FIGURE 4.  
Document Number: 70883  
S-42038—Rev. B,15-Nov-04  
www.vishay.com  
4
Si9108  
Vishay Siliconix  
PIN CONFIGURATIONS  
PLCC-20  
SO-16  
(Wide-Body)  
PDIP-14  
3
2
1
20 19  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
4
5
6
7
8
18  
17  
16  
15  
14  
8
9
10 11 12 13  
Top View  
Top View  
Top View  
PIN DESCRIPTION  
Pin Number  
16-Pin SOIC  
Function  
14-Pin Plastic DIP  
20-Pin PLCC  
SOURCE  
4
5
1
2
7
V  
IN  
8
V
CC  
6
4
9
OSC  
7
5
10  
OUT  
OSC  
8
6
11  
IN  
DISCHARGE  
9
7
12  
V
10  
11  
12  
13  
14  
1
8
14  
REF  
SHUTDOWN  
RESET  
COMP  
FB  
9
16  
10  
11  
12  
13  
14  
16  
3, 15  
17  
18  
20  
BIAS  
2
+V  
2
3
IN  
DRAIN  
NC  
3
5
1, 4, 6, 13, 15, 19  
ORDERING INFORMATION  
Standard  
Part Number  
Lead (Pb)-Free  
Part Number  
Temperature  
Range  
Package  
Si9108DJ02  
Si9108DJ02—E3  
PDIP-14  
Si9108DW  
SOIC-16 (WB)  
PLCC-20  
Si9108DW-T1  
Si9108DW-T1—E3  
(With Tape and Reel)  
(With Tape and Reel)  
40 to 85 _C  
Si9108DN02  
Si9108DN02-T1  
(With Tape and Reel)  
Si9108DN02-T1—E3  
(With Tape and Reel)  
Document Number: 70883  
S-42038—Rev. B,15-Nov-04  
www.vishay.com  
5
Si9108  
Vishay Siliconix  
DETAILED DESCRIPTION  
Pre-Regulator/Start-UpSection  
Error Amplifier  
Closed-loop regulation is provided by the error amplifier,  
whose 1-kdynamic output impedance enables it to be used  
with feedback compensation (unlike transconductance  
amplifiers). A MOS differential input stage provides for low  
input current. The noninverting input to the error amplifier  
(VREF) is internally connected to the output of the reference  
supply and should be bypassed with a small capacitor to  
ground.  
Due to the low quiescent current requirement of the Si9108  
control circuitry, bias power can be supplied from the  
unregulated input power source, from an external regulated  
low-voltage supply, or from an auxiliary “bootstrap” winding on  
the output inductor or transformer.  
When power is first applied during start-up, +VIN will draw a  
constant current. The magnitude of this current is determined  
by a high-voltage depletion MOSFET device which is  
connected between +VIN and VCC. This start-up circuitry  
provides initial power to the IC by charging an external bypass  
capacitance connected to the VCC pin. The constant current is  
disabled when VCC exceeds 9.3 V. If VCC is not forced to  
exceed the 9.3-V threshold, then VCC will be regulated to a  
nominal value of 9.3 V by the pre-regulator circuit.  
Oscillator Section  
The oscillator consists of a ring of CMOS inverters, capacitors,  
and a capacitor discharge switch. Frequency is set by an  
external resistor between the OSC IN and OSC OUT pins.  
(See Typical Characteristics graph of resistor value vs.  
frequency.) The DISCHARGE pin should be tied to VIN for  
normal internal oscillator operation. For 98% duty cycle, the  
discharge pin must be connected to VIN or can be connected  
to VIN through a resistor to set the dead time.  
As the supply voltage rises toward the normal operating  
conditions, an internal undervoltage (UV) lockout circuit keeps  
the output MOSFET disabled until VCC exceeds the  
undervoltage lockout threshold (typically 8.7 V). This  
guarantees that the control logic will be functioning properly  
and that sufficient gate drive voltage is available before the  
MOSFET turns on. The design of the IC is such that the  
undervoltage lockout threshold will not exceed the  
pre-regulator turn-off voltage. Power dissipation can be  
minimized by providing an external power source to VCC such  
that the constant current source is always disabled.  
Remote synchronization can be accomplished by capacitive  
coupling of a synchronization pulse into the OSC IN terminal.  
For a 5-V pulse amplitude and 0.5-s pulse width, typical  
values would be 100 pF in series with 3 kto OSC IN.  
SHUTDOWN and RESET  
SHUTDOWN and RESET are intended for overriding the  
output MOSFET switch via external control logic. The two  
inputs are fed through a latch preceding the output switch.  
Depending on the logic state of RESET, SHUTDOWN can be  
either a latched or unlatched input. The output is off whenever  
SHUTDOWN is low. By simultaneously having SHUTDOWN  
and RESET low, the latch is set and SHUTDOWN has no effect  
until RESET goes high. (See the table below.)  
BIAS  
To properly set the bias for the Si9108, a 820-kresistor  
should be tied from BIAS to VIN. This determines the  
magnitude of bias current in all of the analog sections and the  
pull-up current for the SHUTDOWN and RESET pins. The  
current flowing in the bias resistor is nominally 7.5 A.  
Table 1: Truth Table for the SHUTDOWN and RESET Pins  
SHUTDOWN  
RESET  
Output  
Reference Section  
H
H
L
H
Normal Operation  
Normal Operation (No Change)  
Off (Not Latched)  
The reference section of the Si9108 consists of a temperature  
compensated buried zener and trimmable divider network.  
The output of the reference section is connected internally to  
the non-inverting input of the error amplifier. Nominal reference  
output voltage is 4 V. The trimming procedure that is used on  
the Si9108 brings the output of the error amplifier (which is  
configured for unity gain during trimming) to within "1% of 4 V.  
This automatically compensates for the input offset voltage in  
the error amplifier.  
H
L
L
L
Off (Latched)  
Off (Latched, No Change)  
When power is first applied during start-up, +VIN will draw a  
constant current. The magnitude of this current is determined  
by a high-voltage depletion MOSFET device which is  
connected between +VIN and VCC. This start-up circuitry  
provides initial power to the IC by charging an external bypass  
capacitance connected to the VCC pin. The constant current is  
disabled when VCC exceeds 9.3 V. If VCC is not forced to  
exceed the 9.3-V threshold, then VCC will be regulated to a  
nominal value of 9.3 V by the pre-regulator circuit.  
The output impedance of the reference section has been  
purposely made high so that a low impedance external voltage  
source can be used to override the internal voltage source, if  
desired, without otherwise altering the performance of the  
device.  
Document Number: 70883  
S-42038—Rev. B,15-Nov-04  
www.vishay.com  
6
Si9108  
Vishay Siliconix  
DETAILED DESCRIPTION (CONT’D)  
Both pins have internal current source pull-ups and can be left  
disconnected when not in use. An added feature of the current  
sources is the ability to connect a capacitor and an  
open-collector driver to the SHUTDOWN pin to provide  
variable shutdown time.  
Output Switch  
The output switch is a 7-, 200-V lateral DMOS transistor. Like  
discrete MOSFETs, the switch contains an intrinsic body-drain  
diode. However, the body contact in the Si9108 is connected  
internally to VIN and is independent of the SOURCE.  
APPLICATIONS  
BYS10-25  
+5 V  
+V  
IN  
7
8
2
NC  
0.1 F  
220 F  
2
11  
SD  
5.6 V  
+V  
IN  
8
7
3
OUTPUT  
3
OSC  
DRAIN  
IN  
BYS10-45  
10  
910 k  
6
OSC  
V
CC  
OUT  
+
0.1 F  
47 F  
5 V  
Si9108DJ  
20 F  
12  
10  
1
14  
13  
4
150 k  
71.5 k  
1%  
RESET  
FB  
NC  
0.1 F  
15 k  
0.22 F  
9
4
V
COMP  
REF  
BYS10-25  
12 V  
BIAS  
V  
SOURCE  
0.1  
F  
DISCHGR  
9
IN  
1
F
47.5 k  
1%  
5
0.1  
F  
3.9  
820 k  
INPUT GND (GND Plane)  
FIGURE 5. CCITT Compatible ISDN Terminal Power Supply  
Vishay Siliconix maintains worldwide manufacturing capability. Products may be manufactured at one of several qualified locations. Reliability data for Silicon Technology and  
Package Reliability represent a composite of all qualified locations. For related documents such as package/tape drawings, part marking, and reliability data, see  
http://www.vishay.com/ppg?70883.  
Document Number: 70883  
S-42038—Rev. B,15-Nov-04  
www.vishay.com  
7
Legal Disclaimer Notice  
Vishay  
Notice  
Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc.,  
or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies.  
Information contained herein is intended to provide a product description only. No license, express or implied, by  
estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's  
terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express  
or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness  
for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right.  
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications.  
Customers using or selling these products for use in such applications do so at their own risk and agree to fully  
indemnify Vishay for any damages resulting from such improper use or sale.  
Document Number: 91000  
Revision: 08-Apr-05  
www.vishay.com  
1
Package Information  
Vishay Siliconix  
SOIC (WIDE-BODY): 16-LEAD (POWER IC ONLY)  
ECN: S-40079—Rev. A, 02-Feb-04  
DWG: 5910  
Ğ0.06$0.002D  
0.2025$0.001  
CAVITY NO.  
0.334$0.005  
R0.004  
0.010  
16 15 14 13 12 11 10  
9
8
R0.008  
R0.009  
0.1475$0.001  
0.295$0.001  
0.070$0.005  
R0.004  
4°$2°  
1
2
3
4
5
6
7
0.032$0.005  
DETAIL A  
0.055$0.005  
PIN 1 INDICATOR  
Ğ0.0470.007$0.001 dp  
SURFACE POLISHED  
0.334$0.005  
0.291$0.001  
0.02045°  
7°(4)  
0.405$0.001  
0.098$0.002  
0.091$0.001  
R0.004  
0.295$0.001  
0.406$0.004  
DETAIL A  
0.041$0.001  
0.050 TYP.  
0.006$0.002  
0.017$0.0003  
All Dimensions In Inches  
Document Number: 72805  
28-Jan-04  
www.vishay.com  
1
Package Information  
Vishay Siliconix  
PLCC: 2O-LEAD (POWER IC ONLY)  
DSQUARE  
A
2
MILLIMETERS  
INCHES  
D SQUARE  
1
Dim  
A
A1  
A2  
B
B1  
D
D1  
D2  
e1  
Min  
4.20  
Max  
4.57  
3.04  
Min  
Max  
0.180  
0.120  
B
1
0.165  
0.090  
0.020  
0.013  
0.026  
0.385  
0.350  
0.290  
2.29  
B
0.51  
0.331  
0.661  
9.78  
0.553  
0.812  
10.03  
9.042  
8.38  
0.021  
0.032  
0.395  
0.356  
0.330  
e
1
D
2
8.890  
7.37  
1.27 BSC  
0.050 BSC  
ECN: S-40081—Rev. A, 02-Feb-04  
DWG: 5917  
A
1
A
0.101 mm  
0.004  
Document Number: 72812  
28-Jan-04  
www.vishay.com  
1
Package Information  
Vishay Siliconix  
PDIP: 14-LEAD (POWER IC ONLY)  
14  
1
13  
2
12  
3
11  
4
10  
5
9
6
8
7
E
E
1
D
S
1
Q
A
A
1
L
15°  
MAX  
C
e
1
B
B
1
e
A
MILLIMETERS  
INCHES  
Min  
Dim  
A
A1  
B
B1  
C
D
Min  
3.81  
0.38  
0.38  
0.89  
0.20  
17.27  
7.62  
5.59  
2.29  
7.37  
2.79  
1.27  
1.02  
Max  
5.08  
1.27  
0.51  
1.65  
0.30  
19.30  
8.26  
7.11  
2.79  
7.87  
3.81  
2.03  
2.03  
Max  
0.200  
0.050  
0.020  
0.065  
0.012  
0.760  
0.325  
0.280  
0.110  
0.310  
0.150  
0.080  
0.080  
0.150  
0.015  
0.015  
0.035  
0.008  
0.680  
0.300  
0.220  
0.090  
0.290  
0.110  
0.050  
0.040  
E
E1  
e1  
eA  
L
Q1  
S
ECN: S-40081—Rev. A, 02-Feb-04  
DWG: 5919  
Document Number: 72814  
28-Jan-04  
www.vishay.com  
1
Legal Disclaimer Notice  
Vishay  
Disclaimer  
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE  
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.  
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,  
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other  
disclosure relating to any product.  
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or  
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all  
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,  
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular  
purpose, non-infringement and merchantability.  
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical  
requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements  
about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular  
product with the properties described in the product specification is suitable for use in a particular application. Parameters  
provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All  
operating parameters, including typical parameters, must be validated for each customer application by the customer’s  
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,  
including but not limited to the warranty expressed therein.  
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining  
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.  
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk and agree  
to fully indemnify and hold Vishay and its distributors harmless from and against any and all claims, liabilities, expenses and  
damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay  
or its distributor was negligent regarding the design or manufacture of the part. Please contact authorized Vishay personnel to  
obtain written terms and conditions regarding products designed for such applications.  
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by  
any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.  
Document Number: 91000  
Revision: 11-Mar-11  
www.vishay.com  
1

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