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| 型號： | MC34151P |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | MOSFETs |
| 英文描述： | High Speed Dual MOSFET Drivers |
| 中文描述： | 1.5 A 2 CHANNEL, BUF OR INV BASED MOSFET DRIVER, PDIP8 |
| 封裝： | PLASTIC, DIP-8 |
| 文件頁數(shù)： | 5/12頁 |
| 文件大小： | 284K |
| 代理商： | MC34151P |
MC34151, MC33151
http://onsemi.com
5
Figure 13. Drive Output Rise and Fall Time
versus Load Capacitance
Figure 14. Supply Current versus Drive Output
Load Capacitance
Figure 15. Supply Current versus Input Frequency
Figure 16. Supply Current versus Supply Voltage
CL, OUTPUT LOAD CAPACITANCE (nF)
–
t
tf
tr
VCC = 12 V
VIN = 0 V to 5.0 V
TA = 25
°
C
CL, OUTPUT LOAD CAPACITANCE (nF)
I
VCC = 12 V
Both Logic Inputs Driven
0 V to 5.0 V
50% Duty Cycle
Both Drive Outputs Loaded
TA = 25
°
C
f = 500 kHz
f = 200 kHz
f = 50 kHz
I
1
2
3
4
Both Logic Inputs Driven
0 V to 5.0 V,
50% Duty Cycle
Both Drive Outputs Loaded
TA = 25
°
C
1 – VCC = 18 V, CL = 2.5 nF
2 – VCC = 12 V, CL = 2.5 nF
3 – VCC = 18 V, CL = 1.0 nF
4 – VCC = 12 V, CL = 1.0 nF
f, INPUT FREQUENCY (Hz)
I
VCC, SUPPLY VOLTAGE (V)
TA = 25
°
C
Logic Inputs at VCC
Low State Drive Outputs
Logic Inputs Grounded
High State Drive Outputs
f
80
60
40
20
0
0.1
80
60
40
20
0
0.1
80
60
40
20
0
8.0
6.0
4.0
2.0
0
1.0
10
1.0
10
100
1.0 M
0
4.0
8.0
12
16
10 k
APPLICATIONS INFORMATION
Description
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.
Input Stage
The Logic Inputs have 170 mV of hysteresis with the input
threshold centered at 1.67 V. The input thresholds are
insensitive to VCC 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
signal amplitude ranging from ground to VCC. This allows
the output of one channel to directly drive the input of a
second channel for master–slave operation. Each input has
a 30 k
pull–down resistor so that an unconnected open
input will cause the associated Drive Output to be in a known
high state.
Output Stage
Each totem pole Drive Output is capable of sourcing and
sinking up to 1.5 A with a typical ‘on’ resistance of 2.4
at
1.0 A. The low ‘on’ resistance allows high output currents
to be attained at a lower VCC than with comparative CMOS
drivers. Each output has a 100 k
pull–down resistor to keep
the MOSFET gate low when VCC is less than 1.4 V. No over
current or thermal protection has been designed into the
device, so output shorting to VCC or ground must be
avoided.
Parasitic inductance in series with the load will cause the
driver outputs to ring above VCC during the turn–on
transition, and below ground during the turn–off transition.
With CMOS drivers, this mode of operation can cause a
destructive output latch–up condition. The MC34151 is
immune to output latch–up. The Drive Outputs contain an
internal diode to VCC for clamping positive voltage
transients. When operating with VCC at 18 V, proper power
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
pull–up transistor. Since full supply voltage is applied across
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC34151PG | 功能描述:功率驅(qū)動器IC 1.5A High Speed Dual Inverting MOSFET RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MC34152 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:AC-DC Offline Switching Controllers/Regulators |
| MC34152D | 功能描述:功率驅(qū)動器IC 1.5A High Speed Dual RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MC34152DG | 功能描述:功率驅(qū)動器IC 1.5A High Speed Dual Non-Inverting MOSFET RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MC34152DG | 制造商:ON Semiconductor 功能描述:Logic IC |
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