參數(shù)資料
型號: MC34151P
廠商: MOTOROLA INC
元件分類: MOSFETs
英文描述: Single Output LDO, 250mA, Fixed(3.3V), Low Noise, Fast Transient Response 5-SOT-23 -40 to 85
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): 8/10頁
文件大?。?/td> 241K
代理商: MC34151P
MC34151 MC33151
8
MOTOROLA ANALOG IC DEVICE DATA
Output Load Regulation
IO (mA)
0
1.0
10
20
30
50
+VO (V)
27.7
27.4
26.4
25.5
24.6
22.6
–VO (V)
–13.3
–12.9
–11.9
–11.2
–10.5
–9.4
Figure 22. Controlled MOSFET Drive
Figure 23. Bipolar Transistor Drive
Figure 24. Dual Charge Pump Converter
The totem–pole outputs can furnish negative base current for enhanced
transistor turn–off, with the addition of capacitor C1.
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.
In noise sensitive applications, both conducted and radiated EMI can
be reduced significantly by controlling the MOSFET’s turn–on and
turn–off times.
+
1
Vin
Rg(on)
Rg(off)
+
IB
+
0
Base Charge
Removal
1
C1
Vin
+
VCC = 15 V
4.7
0.1
6
5.7V
6.8
10
+
7
1N5819
2
+ VO
2.0 VCC
47
1
1
5
6.8 10
1N5819
4
– VO
– VCC
330pF
47
3
10k
+
+
+
+
+
+
+
+
+
+
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