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參數(shù)資料
| 型號： | MIC4832YMM |
| 廠商： | MICREL INC |
| 元件分類： | 顯示驅(qū)動器 |
| 英文描述： | Low Noise 220Vp-p EL Driver |
| 中文描述： | EL DISPLAY DRIVER, PDSO8 |
| 封裝： | ROHS COMPLIANT, MSOP-8 |
| 文件頁數(shù)： | 3/11頁 |
| 文件大小： | 447K |
| 代理商： | MIC4832YMM |
Micrel
MIC4832
Absolute Maximum Ratings
(1)
November 2007
3
M9999-111507-B
Supply Voltage (V
DD
)...................................... –0.5V to 6.0V
Output Voltage (V
CS
)..................................... –0.5V to 120V
EL Lamp Terminals (V
A
, V
B
)...................................V
CS
+ 3V
Switch Voltage (Vsw).....................................-0.5V to 120V
Frequency Control Voltage
(V
RSW
,
V
REL
)...................................–0.5V to (V
DD
+0.3V)
Storage Temperature (T
S
).........................–65
°
C to +150
°
C
ESD Rating
...............................................................1.5kV
Operating Ratings
(2)
Supply Voltage (V
DD
)....................................+1.8V to +5.5V
Lamp Drive Frequency (f
EL
) ....................... 60Hz to 1000Hz
Switching Frequency (f
SW
).........................65kHz to 250kHz
Ambient Temperature (T
A
)..........................–40
°
C to +85
°
C
Package Thermal Resistance
(3)
MSOP
(θ
JA
) .....................................................206
°
C/W
MLF-8L
(θ
JA
)......................................................63
°
C/W
Electrical Characteristics
(5)
V
IN
= V
DD
= 3.0V, R
SW
= 338K
, R
EL
= 1.78M
. T
A
= 25
°
C unless otherwise specified.
Bold
values indicate
–
40°C
≤
T
A
≤
+85°C
Parameter
Condition
Min
Typ
Max
Units
On-resistance
I
SW
= 100mA
3.8
7
Ohm
CS Voltage Variation
91
105
119
Enable Input Low Voltage
(turn-off)
V
DD
= 1.8V to 5.5V
0.5
V
Enable Input High Voltage
(turn-on)
V
DD
= 1.8V to 5.5V
VDD-
0.5
V
Shutdown current
R
SW
Resistor = LOW; R
EL
Resistor = LOW; V
DD
= 5.5V
R
SW
Resistor = HIGH;
R
EL
Resistor = HIGH;
V
CS
= 110V; V
A
, V
B
OPEN
V
IN
= V
DD
= 3.2V; R
SW
= 338K
, R
EL
= 1.78M
;
L=220μH; R
OUT
=10k
; Lamp = 2in
2
R
EL
= 1.78M
0.01
0.5
μ
A
Input supply current
45
75
μ
A
Input current including
inductor
24
mA
V
A
– V
B
output drive
frequency
158
200
242
Hz
Switching transistor
frequency
R
SW
= 338K
90
112
134
kHz
Switching transistor duty
cycle
90
%
Notes:
1.
2.
3.
Exceeding the absolute maximum rating may damage the device.
The device is not guaranteed to function outside its operating rating.
The maximum allowable power dissipation of any T
A
(ambient temperature) is P
D
(max) = (T
J
(max) – T
A
) /
θ
JA
. Exceeding the maximum
allowable power dissipation will result in excessive die temperature.
Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.
Specification for packaged product only.
4.
5.
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