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): 5/12頁
文件大?。?/td> 347K
代理商: MAX1605
Typical Operating Characteristics (continued)
(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.)
74
76
78
80
82
84
86
88
90
0
5
10
15
20
25
EFFICIENCY vs. LOAD CURRENT
(L1 = 47
μ
H)
M
LOAD CURRENT (mA)
E
LIM = GND
(125mA)
LIM = OPEN
(250mA)
LIM = V
CC
(500mA)
100
200
300
500
400
600
2.0
2.5
3.0
SUPPLY VOLTAGE (V)
3.5
4.0
4.5
5.0
5.5
CURRENT LIMIT vs. SUPPLY VOLTAGE
M
C
LIM = OPEN
LIM = GND
LIM = V
CC
100
200
300
500
400
600
0
3
6
9
12
CURRENT LIMIT vs. INPUT VOLTAGE
M
INPUT VOLTAGE (V)
C
LIM = OPEN
LIM = V
CC
LIM = GND
0
5
15
10
20
25
0
2
1
3
4
5
SUPPLY CURRENT
vs. SUPPLY VOLTAGE (NO-LOAD)
M
SUPPLY VOLTAGE (V)
S
μ
A
0
1.0
0.5
2.0
1.5
2.5
3.0
0
10
5
15
20
25
M
LOAD CURRENT (mA)
S
SUPPLY CURRENT vs. LOAD CURRENT
LIM = GND
(125mA)
LIM = OPEN
(250mA)
LIM = V
CC
(500mA)
17.9V
2V
18.1V
18
4V
6V
A
2
200
μ
s/div
LINE TRANSIENT
MAX1605 toc13
A: V
IN
= V
= 2.4V TO 5.5V
B: V
OUT
= 18V, R
OUT
= 3.6k
B
1
0
17.9V
500mA
18.1V
18V
0
10mA
I
O
1
40
μ
s/div
LOAD TRANSIENT
MAX1605 toc14
V
OUT
= 18V, I
OUT
= 1mA TO 10mA
V
CC
= 3.3V, V
IN
= 3.6V
V
O
1
I
L
5
74
76
78
80
82
84
86
88
90
0
5
10
15
20
25
EFFICIENCY vs. LOAD CURRENT
(L1 = 100
μ
H)
M
LOAD CURRENT (mA)
E
LIM = OPEN
(250mA)
LIM = V
CC
(500mA)
LIM = GND
(125mA)
10V
0
0
20V
500mA
250mA
0
2V
4V
V
S
2
200
μ
s/div
SHUTDOWN WAVEFORM
MAX1605 toc15
V
OUT
= 18V, R
OUT
= 1.8k
V
CC
= 3.3V, V
IN
= 3.6V
I
L
2
V
O
1
M
30V Internal Switch LCD Bias Supply
_______________________________________________________________________________________
5
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