參數(shù)資料
型號： MAX1605
廠商： Maxim Integrated Products, Inc.
英文描述： 30V Internal Switch LCD Bias Supply
中文描述： 內(nèi)置30V開關(guān)的LCD偏置電源
文件頁數(shù)： 4/12頁
文件大?。?/td> 347K
代理商： MAX1605
M
30V Internal Switch LCD Bias Supply
4
_______________________________________________________________________________________
70
72
76
74
78
80
2.0
3.0
SUPPLY VOLTAGE (V)
2.5
3.5
4.0
4.5
5.0
5.5
M
E
EFFICIENCY vs. SUPPLY VOLTAGE
(L1 = 10
μ
H)
80
V
IN
= 3.6V
I
LIM
= 500mA
I
OUT
= 5mA
I
OUT
= 1mA
I
OUT
= 10mA
30
50
40
70
60
80
90
0
6
3
9
12
EFFICIENCY vs. INPUT VOLTAGE
(L1 = 10
μ
H)
M
INPUT VOLTAGE (V)
E
V
CC
= 3.3V
I
LIM
= 500mA
I
OUT
= 5mA
I
OUT
= 1mA
60
80
0
5
10
15
20
25
EFFICIENCY vs. LOAD CURRENT
(L1 = 10
μ
H)
M
LOAD CURRENT (mA)
E
62
64
66
68
70
72
74
76
78
LIM = GND
(125mA)
LIM = OPEN
(250mA)
LIM = V
CC
(500mA)
17.6
17.8
17.7
18.0
17.9
18.1
18.2
2.0
3.5
4.0
2.5
3.0
SUPPLY VOLTAGE (V)
4.5
5.0
5.5
OUTPUT VOLTAGE vs. SUPPLY VOLTAGE
M
O
V
= 3.6V
LIM = V
CC
(500mA)
I
OUT
= 5mA
I
OUT
= 1mA
19.5
20.1
19.9
19.7
20.3
20.5
20.7
20.9
21.1
21.3
21.5
0
3
6
9
12
OUTPUT VOLTAGE vs. INPUT VOLTAGE
M
INPUT VOLTAGE (V)
O
V
= 3.3V
LIM = V
CC
(500mA)
I
OUT
= 5mA
I
OUT
= 1mA
17.4
17.7
17.6
17.5
17.8
17.9
18.0
18.1
18.2
18.3
18.4
0
10
5
15
20
25
OUTPUT VOLTAGE
vs. LOAD CURRENT
M
LOAD CURRENT (mA)
O
LIM = V
CC
(500mA)
LIM = GND
(125mA)
LIM = OPEN
(250mA)
Typical Operating Characteristics
(V
CC
= 3.3V, V
IN
= 3.6V, L1 = 10μH,
SHDN
= LIM = V
CC
, V
OUT(NOM)
= 18V (Figure 3), T
A
= +25
°
C, unless otherwise noted.)
Note 1:
All devices are 100% tested at T
A
= +25
°
C. All limits over the temperature range are guaranteed by design.
Note 2:
The MAX1605 requires a supply voltage between +2.4V and +5.5V; however, the input voltage used to power the inductor
can vary from +0.8V to V
OUT
.
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
=
SHDN
= 3.3V,
T
A
= -40
°
C to +85
°
C
, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
MAX
0.4
UNITS
V
LIM Input Low Level
2.4V
≤
V
CC
≤
5.5V
2.4V
≤
V
CC
≤
5.5V,
I
LIM
= ±0.5μA
LIM Input Float Level
(V
CC
/ 2)
- 0.25V
V
CC
- 0.4V
-2
(V
CC
/ 2)
+ 0.25V
V
LIM Input High Level
2.4V
≤
V
CC
≤
5.5V
V
SHDN
= V
CC
, LIM = GND or V
CC
SHDN
= GND
2
1
LIM Input Bias Current
I
LIM
μA
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