參數(shù)資料
型號(hào): MIC4420
廠商: Micrel Semiconductor,Inc.
元件分類(lèi): DC/DC變換器
英文描述: RV Series - Econoline Unregulated DC-DC Converters; Input Voltage (Vdc): 12V; Output Voltage (Vdc): 24V; 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6A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)
文件大小: 96K
代理商: MIC4420
April 1998
5-35
MIC4420/4429
Micrel
5
Figure 1a. Inverting Driver Switching Time
IN
MIC4429
OUT
2500pF
V
S
= 18V
0.1μF
1.0μF
0.1μF
IN
MIC4420
OUT
2500pF
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
2.5V
t
PW
90%
10%
0V
t
R
10%
0V
5V
t
F
V
S
OUTPUT
INPUT
90%
t
PW
0.5μs
t
D1
t
D2
t
PW
2.5V
Figure 1b. Noninverting Driver Switching Time
Test Circuits
Electrical Characteristics:
(T
A
= –55
°
C to +125
°
C 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
V
Logic 0 Input Voltage
0.8
V
Input Voltage Range
–5
V
S
+ 0.3
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
–0.025
V
Low Output Voltage
Figure 1
0.025
V
Output Resistance,
Output Low
I
OUT
= 10mA, V
S
= 18V
3
5
R
O
Output Resistance,
Output High
I
OUT
= 10mA, V
S
= 18V
2.3
5
SWITCHING TIME
(Note 3)
t
R
t
F
t
D1
t
D2
POWER SUPPLY
Rise Time
Figure 1, C
L
= 2500pF
Figure 1, C
L
= 2500pF
Figure 1
32
60
ns
Fall Time
34
60
ns
Delay Time
50
100
ns
Delay Time
Figure 1
65
100
ns
I
S
Power Supply Current
V
IN
= 3V
V
IN
= 0V
0.45
0.06
3.0
0.4
mA
mA
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:
相關(guān)PDF資料
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