參數(shù)資料
型號(hào)： MIC4827
廠商： Micrel Semiconductor,Inc.
英文描述： Low Input Voltage, 180VPP Output Voltage, EL Driver
中文描述： 低輸入電壓，輸出電壓180VPP，EL驅(qū)動(dòng)
文件頁(yè)數(shù)： 3/13頁(yè)
文件大?。?/td> 142K
代理商： MIC4827
September 2001
3
MIC4827
MIC4827
Absolute Maximum Ratings
(Note 1)
Supply Voltage (V
DD
) .......................................
–
0.5V to 6V
Output Voltage (V
CS
) ...................................
–
0.5V to 100V
Frequency Control Voltage (V
RSW,
V
REL
)...
–
0.5V to (V
DD
+0.3V)
Power Dissipation @ T
A
= 85
°
C .............................200mW
Storage Temperature (T
S
) .......................
–
65
°
C to +150
°
C
ESD Rating ..............................................................
Note 3
Micrel
Operating Ratings
(Note 2)
Supply Voltage (V
DD
) .................................. +1.8V to +5.5V
Lamp Drive Frequency (f
EL
)...................... 60Hz to 1000Hz
Switching Transistor Frequency (f
SW
)........8kHz to 200kHz
Ambient Temperature (T
A
).........................
–
40
°
C to +85
°
C
Package Thermal Resistance
MSOP
(θ
JA
) .......................................................206
°
C/W
Electrical Characteristics
V
IN
= V
DD
= 3.0V, R
SW
= 560K
, R
EL
= 1.0M
. T
A
= 25
°
C unless otherwise specified.
Bold
values indicate
–
40
°
C
≤
T
A
≤
+85
°
C
Symbol
Parameter
Condition
Min
Typ
Max
Units
R
DS(ON)
V
CS
On-resistance of switching transistor
I
SW
= 100 mA, V
CS
= 85V
V
DD
= 1.8V to 5.5V
3.8
7.0
Output voltage regulation
85
90
95
V
83
97
V
V
A
–
V
B
Output peak-to-peak voltage
V
DD
= 1.8V to 5.5V
170
180
190
V
166
194
V
V
EN-L
V
EN-H
I
SD
Input low voltage (turn-off)
V
DD
= 1.8V to 5.5V
V
DD
= 1.8V to 5.5V
R
SW
= LOW; R
EL
= LOW;
V
DD
= 5.5V
R
SW
= HIGH; R
EL
= HIGH;
V
CS
= 85V; V
A
, V
B
OPEN
R
SW
= HIGH; R
EL
= HIGH;
V
CS
= 85V; V
A
, V
B
OPEN
V
IN
= V
DD
= 1.8V
(See Test Circuit)
0.5
V
Input high voltage (turn-on)
V
DD
–
0.5
V
Shutdown current,
Note 4
0.01
0.1
0.5
μ
A
μ
A
I
VDD
Input supply current
21
75
μ
A
I
CS
Boosted supply current
200
400
μ
A
I
IN
Input current including inductor
current
28
mA
f
EL
f
SW
D
V
A
–
V
B
output drive frequency
Switching transistor frequency
285
360
435
Hz
53
66
79
kHz
Switching transistor duty cycle
90
%
Note 1.
Note 2.
Note 3.
Note 4.
Exceeding the absolute maximum rating may damage the device.
The device is not guaranteed to function outside its operating rating.
Devices are ESD sensitive. Handling precautions recommended.
Shutdown current is defined as the sum of current going into pin 1, 5, and 6 when the device is disabled.
Test Circuit
C
0.033
μ
F/100V
D1
1N4148
L1
220
μ
H
1
5
6
8
7
2
3
4
SW
CS
VA
VB
VDD
RSW
REL
GND
MIC4827
C
IN
10
μ
F
10nF
V
IN
562k
3.32M
100
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參數(shù)描述
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MIC4827BMMTS 制造商:Rochester Electronics LLC 功能描述:- Bulk
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