MC33151DR2G [ONSEMI]

High Speed Dual MOSFET Drivers; 高速双MOSFET驱动器
MC33151DR2G
型号: MC33151DR2G
厂家: ONSEMI    ONSEMI
描述:

High Speed Dual MOSFET Drivers
高速双MOSFET驱动器

驱动器 MOSFET驱动器 驱动程序和接口 接口集成电路 光电二极管 PC
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中文:  中文翻译
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MC34151, MC33151  
High Speed Dual  
MOSFET Drivers  
The MC34151/MC33151 are dual inverting high speed drivers  
specifically designed for applications that require low current digital  
circuitry to drive large capacitive loads with high slew rates. These  
devices feature low input current making them CMOS and LSTTL  
logic compatible, input hysteresis for fast output switching that is  
independent of input transition time, and two high current totem pole  
outputs ideally suited for driving power MOSFETs. Also included is  
an undervoltage lockout with hysteresis to prevent erratic system  
operation at low supply voltages.  
Typical applications include switching power supplies, dc to dc  
converters, capacitor charge pump voltage doublers/inverters, and  
motor controllers.  
These devices are available in dual−in−line and surface mount  
packages.  
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MARKING  
DIAGRAMS  
8
PDIP−8  
P SUFFIX  
CASE 626  
MC3x151P  
AWL  
YYWW  
8
1
1
8
SOIC−8  
D SUFFIX  
CASE 751  
3x151  
ALYW  
Features  
8
Pb−Free Packages are Available  
1
1
Two Independent Channels with 1.5 A Totem Pole Output  
Output Rise and Fall Times of 15 ns with 1000 pF Load  
CMOS/LSTTL Compatible Inputs with Hysteresis  
Undervoltage Lockout with Hysteresis  
x
A
= 3 or 4  
= Assembly Location  
WL, L = Wafer Lot  
YY, Y = Year  
WW, W = Work Week  
Low Standby Current  
Efficient High Frequency Operation  
Enhanced System Performance with Common Switching Regulator  
Control ICs  
PIN CONNECTIONS  
Pin Out Equivalent to DS0026 and MMH0026  
N.C.  
1
2
3
4
8
7
6
5
N.C.  
Drive Output A  
V
CC  
Logic Input A  
GND  
6
V
CC  
+
+
+
+
Logic Input B  
Drive Output B  
5.7V  
+
(Top View)  
Drive Output A  
7
Logic Input A  
2
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
+
dimensions section on page 9 of this data sheet.  
+
Drive Output B  
5
Logic Input B  
4
3
GND  
Figure 1. Representative Block Diagram  
Semiconductor Components Industries, LLC, 2004  
1
Publication Order Number:  
July, 2004 − Rev. 4  
MC34151/D  
MC34151, MC33151  
MAXIMUM RATINGS  
Rating  
Symbol  
Value  
20  
Unit  
V
Power Supply Voltage  
Logic Inputs (Note 1)  
V
CC  
V
in  
−0.3 to V  
V
CC  
Drive Outputs (Note 2)  
A
Totem Pole Sink or Source Current  
Diode Clamp Current (Drive Output to V  
I
1.5  
1.0  
O
)
I
O(clamp)  
CC  
Power Dissipation and Thermal Characteristics  
D Suffix SOIC−8 Package Case 751  
Maximum Power Dissipation @ T = 50°C  
Thermal Resistance, Junction−to−Air  
P Suffix 8−Pin Package Case 626  
P
0.56  
180  
W
°C/W  
A
D
R
q
JA  
Maximum Power Dissipation @ T = 50°C  
P
D
1.0  
W
A
Thermal Resistance, Junction−to−Air  
R
100  
°C/W  
q
JA  
J
Operating Junction Temperature  
T
+150  
°C  
°C  
Operating Ambient Temperature  
MC34151  
MC33151  
T
A
0 to +70  
−40 to +85  
−40 to +125  
MC33151V  
Storage Temperature Range  
T
stg  
−65 to +150  
°C  
Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit  
values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied,  
damage may occur and reliability may be affected.  
ELECTRICAL CHARACTERISTICS (V = 12 V, for typical values T = 25°C, for min/max values T is the only operating  
CC  
A
A
ambient temperature range that applies [Note 3], unless otherwise noted.)  
Characteristics  
Symbol  
Min  
Typ  
Max  
Unit  
LOGIC INPUTS  
Input Threshold Voltage −  
Input Current − High State (V = 2.6 V)  
Output Transition High to Low State  
Output Transition Low to High State  
V
V
0.8  
1.75  
1.58  
2.6  
V
IH  
IL  
I
IH  
200  
20  
500  
100  
mA  
IH  
Input Current − Low State (V = 0.8 V)  
I
IL  
IL  
DRIVE OUTPUT  
Output Voltage − Low State (I  
Output Voltage − Low State (I  
Output Voltage − Low State (I  
Output Voltage − High State (I  
Output Voltage − High State (I  
Output Voltage − High State (I  
= 10 mA)  
= 50 mA)  
= 400 mA)  
V
10.5  
10.4  
9.5  
0.8  
1.1  
1.7  
11.2  
11.1  
10.9  
1.2  
1.5  
2.5  
V
Sink  
OL  
Sink  
Sink  
= 10 mA)  
= 50 mA)  
= 400 mA)  
V
OH  
Source  
Source  
Source  
Output Pulldown Resistor  
R
100  
kW  
PD  
SWITCHING CHARACTERISTICS (T = 25°C)  
A
Propagation Delay (10% Input to 10% Output, C = 1.0 nF)  
ns  
L
Logic Input to Drive Output Rise  
Logic Input to Drive Output Fall  
t
t
35  
36  
100  
100  
PLH(in/out)  
PHL(in/out)  
Drive Output Rise Time (10% to 90%) C = 1.0 nF  
t
14  
31  
30  
ns  
ns  
L
r
Drive Output Rise Time (10% to 90%) C = 2.5 nF  
L
Drive Output Fall Time (90% to 10%) C = 1.0 nF  
t
16  
32  
30  
L
f
Drive Output Fall Time (90% to 10%) C = 2.5 nF  
L
TOTAL DEVICE  
Power Supply Current  
Standby (Logic Inputs Grounded)  
I
mA  
V
CC  
6.0  
10.5  
10  
15  
Operating (C = 1.0 nF Drive Outputs 1 and 2, f = 100 kHz)  
L
Operating Voltage  
V
6.5  
18  
CC  
1. For optimum switching speed, the maximum input voltage should be limited to 10 V or V , whichever is less.  
CC  
2. Maximum package power dissipation limits must be observed.  
3. T  
=
0°C for MC34151  
−40°C for MC33151  
T
high  
=
+70°C for MC34151  
+85°C for MC33151  
low  
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2
 
MC34151, MC33151  
12  
V
4.7 0.1  
+
6
+
+
+
+
5.7V  
Drive Output  
7
+
2
Logic Input  
50  
C
L
5.0 V  
Logic Input  
t , t 10 ns  
90%  
+
r
f
10%  
0 V  
+
t
5
PLH  
4
t
PHL  
90%  
10%  
Drive Output  
3
t
r
t
f
Figure 2. Switching Characteristics Test Circuit  
Figure 3. Switching Waveform Definitions  
2.4  
2.2  
V
CC  
= 12 V  
V
CC  
= 12 V  
2.0  
1.8  
1.6  
1.4  
1.2  
1.0  
T = 25°C  
2.0  
1.6  
1.2  
0.8  
A
Upper Threshold  
Low State Output  
Lower Threshold  
High State Output  
0.4  
0
0
2.0  
4.0  
6.0  
8.0  
10  
12  
−55  
−25  
0
25  
50  
75  
100  
125  
V , INPUT VOLTAGE (V)  
in  
T , AMBIENT TEMPERATURE (°C)  
A
Figure 4. Logic Input Current versus  
Input Voltage  
Figure 5. Logic Input Threshold Voltage  
versus Temperature  
200  
160  
200  
160  
Overdrive Voltage is with Respect  
to the Logic Input Lower Threshold  
V
= 12 V  
C = 1.0 nF  
Overdrive Voltage is with Respect  
to the Logic Input Lower Threshold  
V
= 12 V  
C = 1.0 nF  
CC  
CC  
L
L
T = 25°C  
A
T = 25°C  
A
120  
80  
40  
0
120  
80  
40  
0
V
V
th(upper)  
th(lower)  
−1.6  
−1.2  
−0.8  
−0.4  
0
0
1.0  
2.0  
3.0  
4.0  
V , INPUT OVERDRIVE VOLTAGE BELOW LOWER THRESHOLD (V)  
in  
V , INPUT OVERDRIVE VOLTAGE ABOVE UPPER THRESHOLD (V)  
in  
Figure 6. Drive Output Low−to−High Propagation  
Delay versus Logic Overdrive Voltage  
Figure 7. Drive Output High−to−Low Propagation  
Delay versus Logic Input Overdrive Voltage  
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MC34151, MC33151  
3.0  
High State Clamp  
(Drive Output Driven Above V  
)
CC  
V
= 12 V  
80 ms Pulsed Load  
CC  
2.0  
1.0  
0
90%  
V
V
= 12 V  
= 5 V to 0 V  
CC  
120 Hz Rate  
T = 25°C  
Logic Input  
in  
A
C = 1.0 nF  
L
T = 25°C  
A
V
CC  
Low State Clamp  
(Drive Output Driven Below Ground)  
Drive Output  
0
10%  
GND  
−1.0  
0
0.2  
0.4  
0.6  
0.8  
1.0  
1.2  
1.4  
50 ns/DIV  
I , OUTPUT LOAD CURRENT (A)  
O
Figure 8. Propagation Delay  
Figure 9. Drive Output Clamp Voltage  
versus Clamp Current  
0
0
V
= 12 V  
80 ms Pulsed Load  
Source Saturation  
(Load to Ground)  
CC  
V
CC  
= 12 V  
Source Saturation  
(Load to Ground)  
−0.5  
−0.7  
V
CC  
I
I
= 10 mA  
V
CC  
source  
−1.0  
−2.0  
−3.0  
3.0  
2.0  
1.0  
0
120 Hz Rate  
T = 25°C  
= 400 mA  
−0.9  
−1.1  
A
source  
1.9  
1.7  
I
= 400 mA  
sink  
1.5  
1.0  
0.8  
I
= 10 mA  
sink  
Sink Saturation  
)
GND  
Sink Saturation  
)
GND  
1.0  
0.6  
(Load to V  
CC  
(Load to V  
CC  
0
−55  
0
0.2  
0.4  
0.6  
0.8  
1.2  
1.4  
−25  
0
25  
50  
75  
100  
125  
I , OUTPUT LOAD CURRENT (A)  
O
T , AMBIENT TEMPERATURE (°C)  
A
Figure 10. Drive Output Saturation Voltage  
versus Load Current  
Figure 11. Drive Output Saturation Voltage  
versus Temperature  
V
V
= 12 V  
= 5 V to 0 V  
CC  
90%  
90%  
in  
C = 1.0 nF  
L
T = 25°C  
A
V
V
= 12 V  
= 5 V to 0 V  
CC  
in  
C = 1.0 nF  
L
10%  
T = 25°C  
A
10%  
10 ns/DIV  
10 ns/DIV  
Figure 12. Drive Output Rise Time  
Figure 13. Drive Output Fall Time  
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MC34151, MC33151  
80  
60  
40  
20  
0
80  
V
= 12 V  
CC  
V
V
= 12 V  
= 0 V to 5.0 V  
CC  
Both Logic Inputs Driven  
0 V to 5.0 V  
50% Duty Cycle  
IN  
60  
40  
20  
0
T = 25°C  
A
Both Drive Outputs Loaded  
T = 25°C  
f = 200 kHz  
A
f = 500 kHz  
t
f
f = 50 kHz  
t
r
0.1  
1.0  
C , OUTPUT LOAD CAPACITANCE (nF)  
10  
0.1  
1.0  
C , OUTPUT LOAD CAPACITANCE (nF)  
10  
L
L
Figure 14. Drive Output Rise and Fall Time  
versus Load Capacitance  
Figure 15. Supply Current versus Drive Output  
Load Capacitance  
80  
60  
8.0  
T = 25°C  
A
Both Logic Inputs Driven  
0 V to 5.0 V,  
50% Duty Cycle  
Both Drive Outputs Loaded  
1
Logic Inputs at V  
CC  
Low State Drive Outputs  
6.0  
4.0  
2.0  
2
T = 25°C  
A
3
1 − V = 18 V, C = 2.5 nF  
CC L  
40 2 − V = 12 V, C = 2.5 nF  
CC L  
3 − V = 18 V, C = 1.0 nF  
CC L  
4 − V = 12 V, C = 1.0 nF  
4
Logic Inputs Grounded  
High State Drive Outputs  
CC  
L
20  
0
0
100  
1.0 M  
10 k  
0
4.0  
8.0  
V , SUPPLY VOLTAGE (V)  
CC  
12  
16  
f, INPUT FREQUENCY (Hz)  
Figure 16. Supply Current versus Input Frequency  
Figure 17. Supply Current versus Supply Voltage  
APPLICATIONS INFORMATION  
Description  
Output Stage  
The MC34151 is a dual inverting high speed driver  
specifically designed to interface low current digital  
circuitry with power MOSFETs. This device is constructed  
with Schottky clamped Bipolar Analog technology which  
offers a high degree of performance and ruggedness in  
hostile industrial environments.  
Each totem pole Drive Output is capable of sourcing and  
sinking up to 1.5 A with a typical ‘on’ resistance of 2.4 W at  
1.0 A. The low ‘on’ resistance allows high output currents  
to be attained at a lower V than with comparative CMOS  
CC  
drivers. Each output has a 100 kW pulldown resistor to keep  
the MOSFET gate low when V is less than 1.4 V. No over  
CC  
current or thermal protection has been designed into the  
Input Stage  
device, so output shorting to V  
avoided.  
or ground must be  
CC  
The Logic Inputs have 170 mV of hysteresis with the input  
threshold centered at 1.67 V. The input thresholds are  
insensitive to V making this device directly compatible  
with CMOS and LSTTL logic families over its entire  
operating voltage range. Input hysteresis provides fast  
output switching that is independent of the input signal  
transition time, preventing output oscillations as the input  
thresholds are crossed. The inputs are designed to accept a  
Parasitic inductance in series with the load will cause the  
driver outputs to ring above V during the turn−on  
CC  
CC  
transition, and below ground during the turn−off transition.  
With CMOS drivers, this mode of operation can cause a  
destructive output latchup condition. The MC34151 is  
immune to output latchup. The Drive Outputs contain an  
internal diode to V  
for clamping positive voltage  
CC  
signal amplitude ranging from ground to V . This allows  
CC  
transients. When operating with V at 18 V, proper power  
CC  
the output of one channel to directly drive the input of a  
second channel for master−slave operation. Each input has  
a 30 kW pulldown resistor so that an unconnected open input  
will cause the associated Drive Output to be in a known high  
state.  
supply bypassing must be observed to prevent the output  
ringing from exceeding the maximum 20 V device rating.  
Negative output transients are clamped by the internal NPN  
pullup transistor. Since full supply voltage is applied across  
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MC34151, MC33151  
the NPN pullup during the negative output transient, power  
gate charge information on their data sheets. Figure 18  
shows a curve of gate voltage versus gate charge for the ON  
Semiconductor MTM15N50. Note that there are three  
distinct slopes to the curve representing different input  
capacitance values. To completely switch the MOSFET  
‘on’, the gate must be brought to 10 V with respect to the  
dissipation at high frequencies can become excessive.  
Figures 20, 21, and 22 show a method of using external  
Schottky diode clamps to reduce driver power dissipation.  
Undervoltage Lockout  
An undervoltage lockout with hysteresis prevents erratic  
system operation at low supply voltages. The UVLO forces  
source. The graph shows that a gate charge Q of 110 nC is  
g
required when operating the MOSFET with a drain to source  
the Drive Outputs into a low state as V rises from 1.4 V  
CC  
voltage V of 400 V.  
DS  
to the 5.8 V upper threshold. The lower UVLO threshold is  
5.3 V, yielding about 500 mV of hysteresis.  
16  
MTM15N50  
= 15 A  
T = 25°C  
A
I
D
Power Dissipation  
Circuit performance and long term reliability are  
enhanced with reduced die temperature. Die temperature  
increase is directly related to the power that the integrated  
circuit must dissipate and the total thermal resistance from  
the junction to ambient. The formula for calculating the  
junction temperature with the package in free air is:  
12  
V
DS  
= 400 V  
V
DS  
= 100 V  
8.0  
4.0  
8.9 nF  
T = T + P (R )  
qJA  
T = Junction Temperature  
J
2.0 nF  
J
A
D
D Q  
g
C
GS  
=
where:  
D V  
GS  
T = Ambient Temperature  
A
0
0
40  
80  
Q , GATE CHARGE (nC)  
120  
160  
P = Power Dissipation  
D
g
R
Thermal Resistance Junction to Ambient  
qJA =  
There are three basic components that make up total  
power to be dissipated when driving a capacitive load with  
respect to ground. They are:  
Figure 18. Gate−To−Source Voltage  
versus Gate Charge  
P
P + P + P  
Q C T  
D =  
The capacitive load power dissipation is directly related to  
the required gate charge, and operating frequency. The  
capacitive load power dissipation per driver is:  
where:  
P = Quiescent Power Dissipation  
Q
P = Capacitive Load Power Dissipation  
C
P = Transition Power Dissipation  
T
PC(MOSFET) = VC Qg f  
The quiescent power supply current depends on the  
supply voltage and duty cycle as shown in Figure 17. The  
device’s quiescent power dissipation is:  
The flat region from 10 nC to 55 nC is caused by the  
drain−to−gate Miller capacitance, occurring while the  
MOSFET is in the linear region dissipating substantial  
amounts of power. The high output current capability of the  
MC34151 is able to quickly deliver the required gate charge  
for fast power efficient MOSFET switching. By operating  
PQ = VCC ICCL (1−D) + ICCH (D)  
where:  
I
= Supply Current with Low State Drive  
CCL  
the MC34151 at a higher V , additional charge can be  
Outputs  
CC  
provided to bring the gate above 10 V. This will reduce the  
‘on’ resistance of the MOSFET at the expense of higher  
driver dissipation at a given operating frequency.  
I
= Supply Current with High State Drive  
Outputs  
D = Output Duty Cycle  
CCH  
The transition power dissipation is due to extremely short  
simultaneous conduction of internal circuit nodes when the  
Drive Outputs change state. The transition power  
dissipation per driver is approximately:  
The capacitive load power dissipation is directly related  
to the load capacitance value, frequency, and Drive Output  
voltage swing. The capacitive load power dissipation per  
driver is:  
PT = VCC (1.08 VCC CL f − 8 y 10−4  
PT must be greater than zero.  
)
P = V (V − V ) C f  
C
CC  
OH  
OL  
L
where:  
V
V
= High State Drive Output Voltage  
= Low State Drive Output Voltage  
OH  
Switching time characterization of the MC34151 is  
performed with fixed capacitive loads. Figure 14 shows that  
for small capacitance loads, the switching speed is limited  
by transistor turn−on/off time and the slew rate of the  
internal nodes. For large capacitance loads, the switching  
speed is limited by the maximum output current capability  
of the integrated circuit.  
OL  
C = Load Capacitance  
L
f = frequency  
When driving a MOSFET, the calculation of capacitive  
load power P is somewhat complicated by the changing  
C
gate to source capacitance C as the device switches. To aid  
GS  
in this calculation, power MOSFET manufacturers provide  
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MC34151, MC33151  
LAYOUT CONSIDERATIONS  
High frequency printed circuit layout techniques are  
optimum drive performance, it is recommended that the  
initial circuit design contains dual power supply bypass  
imperative to prevent excessive output ringing and overshoot.  
Do not attempt to construct the driver circuit on  
wire−wrap or plug−in prototype boards. When driving  
large capacitive loads, the printed circuit board must contain  
a low inductance ground plane to minimize the voltage spikes  
induced by the high ground ripple currents. All high current  
loops should be kept as short as possible using heavy copper  
runs to provide a low impedance high frequency path. For  
capacitors connected with short leads as close to the V pin  
CC  
and ground as the layout will permit. Suggested capacitors are  
a low inductance 0.1 mF ceramic in parallel with a 4.7 mF  
tantalum. Additional bypass capacitors may be required  
depending upon Drive Output loading and circuit layout.  
Proper printed circuit board layout is extremely  
critical and cannot be over emphasized.  
V
CC  
V
in  
0.1  
47  
6
+
V
in  
+
+
+
+
+
5.7V  
+
+
R
g
7
5
2
D
1
TL494  
or  
TL594  
1N5819  
4
Series gate resistor R may be needed to damp high frequency parasitic  
g
oscillations caused by the MOSFET input capacitance and any series  
3
wiring inductance in the gate−source circuit. R will decrease the  
MOSFET switching speed. Schottky diode D can reduce the driver’s  
g
1
power dissipation due to excessive ringing, by preventing the output pin  
from being driven below ground.  
The MC34151 greatly enhances the drive capabilities of common switching  
regulators and CMOS/TTL logic devices.  
Figure 19. Enhanced System Performance with  
Common Switching Regulators  
Figure 20. MOSFET Parasitic Oscillations  
+
+
7
4 X  
1N5819  
+
Isolation  
Boundary  
+
+
5
1N  
5819  
3
3
Output Schottky diodes are recommended when driving inductive loads at  
high frequencies. The diodes reduce the driver’s power dissipation by  
preventing the output pins from being driven above V and below ground.  
CC  
Figure 21. Direct Transformer Drive  
Figure 22. Isolated MOSFET Drive  
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MC34151, MC33151  
V
in  
I
B
V
in  
+
0
+
Base Charge  
Removal  
R
g(on)  
+
C
1
R
g(off)  
In noise sensitive applications, both conducted and radiated EMI can  
be reduced significantly by controlling the MOSFET’s turn−on and  
turn−off times.  
The totem−pole outputs can furnish negative base current for enhanced  
transistor turn−off, with the addition of capacitor C .  
1
Figure 23. Controlled MOSFET Drive  
Figure 24. Bipolar Transistor Drive  
V
CC  
= 15 V  
4.7 0.1  
+
6
+
+
+
+
5.7V  
+
6.8 10  
1N5819  
7
+
2
+ V 2.0 V  
O
CC  
+
47  
+
+
6.8 10  
+
1N5819  
47  
5
4
− V − V  
O
CC  
+
330pF  
3
10k  
Output Load Regulation  
I
O
(mA)  
+V (V)  
−V (V)  
O
O
The capacitor’s equivalent series resistance limits the Drive Output Current  
to 1.5 A. An additional series resistor may be required when using tantalum or  
other low ESR capacitors.  
0
27.7  
27.4  
26.4  
25.5  
24.6  
22.6  
−13.3  
−12.9  
11.9  
11.2  
−10.5  
−9.4  
1.0  
10  
20  
30  
50  
Figure 25. Dual Charge Pump Converter  
http://onsemi.com  
8
MC34151, MC33151  
ORDERING INFORMATION  
Device  
Package  
SOIC−8  
SOIC−8  
Shipping  
MC34151D  
98 Units / Rail  
2500 Tape & Reel  
2500 Tape & Reel  
MC34151DR2  
MC34151DR2G  
SOIC−8  
(Pb−Free)  
MC34151P  
PDIP−8  
SOIC−8  
SOIC−8  
50 Units / Rail  
98 Units / Rail  
MC33151D  
MC33151DR2  
MC33151DR2G  
2500 Tape & Reel  
2500 Tape & Reel  
SOIC−8  
(Pb−Free)  
MC33151P  
PDIP−8  
SOIC−8  
50 Units / Rail  
2500 Tape & Reel  
2500 Tape & Reel  
MC33151VDR2  
MC33151VDR2G  
SOIC−8  
(Pb−Free)  
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging  
Specifications Brochure, BRD8011/D.  
http://onsemi.com  
9
MC34151, MC33151  
PACKAGE DIMENSIONS  
PDIP−8  
P SUFFIX  
CASE 626−05  
ISSUE L  
NOTES:  
1. DIMENSION L TO CENTER OF LEAD WHEN  
FORMED PARALLEL.  
8
5
2. PACKAGE CONTOUR OPTIONAL (ROUND OR  
SQUARE CORNERS).  
−B−  
3. DIMENSIONING AND TOLERANCING PER ANSI  
Y14.5M, 1982.  
1
4
MILLIMETERS  
INCHES  
MIN  
DIM MIN  
MAX  
10.16  
6.60  
4.45  
0.51  
1.78  
MAX  
0.400  
0.260  
0.175  
0.020  
0.070  
A
B
C
D
F
9.40  
6.10  
3.94  
0.38  
1.02  
0.370  
0.240  
0.155  
0.015  
0.040  
F
−A−  
NOTE 2  
L
G
H
J
2.54 BSC  
0.100 BSC  
0.76  
0.20  
2.92  
1.27  
0.30  
3.43  
0.030  
0.008  
0.115  
0.050  
0.012  
0.135  
K
L
C
7.62 BSC  
0.300 BSC  
M
N
−−−  
0.76  
10  
_
1.01  
−−−  
0.030  
10  
_
0.040  
J
−T−  
SEATING  
PLANE  
N
M
D
K
G
H
M
M
M
0.13 (0.005)  
T
A
B
http://onsemi.com  
10  
MC34151, MC33151  
PACKAGE DIMENSIONS  
SOIC−8  
D SUFFIX  
CASE 751−07  
ISSUE AB  
NOTES:  
−X−  
1. DIMENSIONING AND TOLERANCING PER  
ANSI Y14.5M, 1982.  
A
2. CONTROLLING DIMENSION: MILLIMETER.  
3. DIMENSION A AND B DO NOT INCLUDE  
MOLD PROTRUSION.  
4. MAXIMUM MOLD PROTRUSION 0.15 (0.006)  
PER SIDE.  
5. DIMENSION D DOES NOT INCLUDE DAMBAR  
PROTRUSION. ALLOWABLE DAMBAR  
PROTRUSION SHALL BE 0.127 (0.005) TOTAL  
IN EXCESS OF THE D DIMENSION AT  
MAXIMUM MATERIAL CONDITION.  
6. 751−01 THRU 751−06 ARE OBSOLETE. NEW  
STANDARD IS 751−07.  
8
5
4
S
M
M
B
0.25 (0.010)  
Y
1
K
−Y−  
G
MILLIMETERS  
DIM MIN MAX  
INCHES  
MIN  
MAX  
0.197  
0.157  
0.069  
0.020  
C
N X 45  
_
A
B
C
D
G
H
J
K
M
N
S
4.80  
3.80  
1.35  
0.33  
5.00 0.189  
4.00 0.150  
1.75 0.053  
0.51 0.013  
SEATING  
PLANE  
−Z−  
0.10 (0.004)  
1.27 BSC  
0.050 BSC  
M
0.10  
0.19  
0.40  
0
0.25 0.004  
0.25 0.007  
1.27 0.016  
0.010  
0.010  
0.050  
8
0.020  
0.244  
J
H
D
8
0
_
_
_
_
M
S
S
X
0.25 (0.010)  
Z
Y
0.25  
5.80  
0.50 0.010  
6.20 0.228  
SOLDERING FOOTPRINT*  
1.52  
0.060  
7.0  
0.275  
4.0  
0.155  
0.6  
0.024  
1.270  
0.050  
mm  
inches  
ǒ
Ǔ
SCALE 6:1  
*For additional information on our Pb−Free strategy and soldering  
details, please download the ON Semiconductor Soldering and  
Mounting Techniques Reference Manual, SOLDERRM/D.  
http://onsemi.com  
11  
MC34151, MC33151  
ON Semiconductor and  
are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice  
to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability  
arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages.  
“Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All  
operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights  
nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications  
intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should  
Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates,  
and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death  
associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal  
Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.  
PUBLICATION ORDERING INFORMATION  
LITERATURE FULFILLMENT:  
N. American Technical Support: 800−282−9855 Toll Free  
USA/Canada  
ON Semiconductor Website: http://onsemi.com  
Order Literature: http://www.onsemi.com/litorder  
Literature Distribution Center for ON Semiconductor  
P.O. Box 61312, Phoenix, Arizona 85082−1312 USA  
Phone: 480−829−7710 or 800−344−3860 Toll Free USA/Canada  
Fax: 480−829−7709 or 800−344−3867 Toll Free USA/Canada  
Email: orderlit@onsemi.com  
Japan: ON Semiconductor, Japan Customer Focus Center  
2−9−1 Kamimeguro, Meguro−ku, Tokyo, Japan 153−0051  
Phone: 81−3−5773−3850  
For additional information, please contact your  
local Sales Representative.  
MC34151/D  

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