參數(shù)資料
型號(hào)： MIC4451
廠商： Micrel Semiconductor,Inc.
元件分類： DC/DC變換器
英文描述： RV Series - Econoline Unregulated DC-DC Converters; Input Voltage (Vdc): 24V; Output Voltage (Vdc): 15V; Power: 2W; High Isolation 2W Converter; Approved for Medical Applications; EN and UL Safety Certificates; 6kVDC Isolation; Skinny DIP24 Package; Optional Continuous Short Circuit Protected; Fully Encapsulated; Very Low Isolation Capacitance
中文描述： 第12A峰值低側(cè)MOSFET驅(qū)動(dòng)器雙極/ CMOS / DMOS工藝
文件頁(yè)數(shù)： 4/10頁(yè)
文件大?。?/td> 105K
代理商： MIC4451
April 1998
5-73
MIC4451/4452
Micrel
5
Figure 1. Inverting Driver Switching Time
Electrical Characteristics:
(Over operating temperature range with 4.5V < V
S
< 18V unless otherwise specified.)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
INPUT
V
IH
V
IL
V
IN
I
IN
OUTPUT
Logic 1 Input Voltage
2.4
1.4
V
Logic 0 Input Voltage
1.0
0.8
V
Input Voltage Range
–5
V
S
+.3
10
V
Input Current
0V
≤
V
IN
≤
V
S
–10
μ
A
V
OH
V
OL
R
O
High Output Voltage
Figure 1
V
S
–.025
V
Low Output Voltage
Figure 1
0.025
V
Output Resistance,
Output High
I
OUT
= 10mA, V
S
= 18V
0.8
2.2
R
O
Output Resistance,
Output Low
I
OUT
= 10mA, V
S
= 18V
1.3
2.2
SWITCHING TIME
(Note 3)
t
R
t
F
t
D1
t
D2
POWER SUPPLY
Rise Time
Figure 1, C
L
= 15,000pF
Figure 1, C
L
= 15,000pF
Figure 1
23
50
ns
Fall Time
30
60
ns
Delay Time
20
40
ns
Delay Time
Figure 1
40
80
ns
I
S
Power Supply Current
V
IN
= 3V
V
IN
= 0V
0.6
0.1
3
mA
0.4
V
S
Operating Input Voltage
4.5
18
V
NOTE 1:
NOTE 2:
Functional operation above the absolute maximum stress ratings is not implied.
Static-sensitive device. Store only in conductive containers. Handling personnel and equipment should be grounded to
prevent damage from static discharge.
Switching times guaranteed by design.
NOTE 3:
Test Circuits
IN
MIC4451
OUT
15000pF
V
S
= 18V
0.1μF
1.0μF
0.1μF
IN
MIC4452
OUT
15000pF
V
S
= 18V
0.1μF
1.0μF
0.1μF
t
D1
90%
10%
0V
t
F
10%
0V
5V
t
D2
t
R
V
S
OUTPUT
INPUT
90%
t
PW
≥
0.5μs
t
PW
t
D1
90%
10%
0V
t
R
10%
0V
5V
t
D2
t
F
V
S
OUTPUT
INPUT
90%
t
PW
≥
0.5μs
t
PW
Figure 2. Noninverting Driver Switching Time
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MIC4451_05 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:12A-Peak Low-Side MOSFET Driver
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