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参数资料
| 型号： | MAX1605 |
| 厂商： | Maxim Integrated Products, Inc. |
| 英文描述： | 30V Internal Switch LCD Bias Supply |
| 中文描述： | 内置30V开关的LCD偏置电源 |
| 文件页数： | 2/12页 |
| 文件大小： | 347K |
| 代理商： | MAX1605 |
M
30V Internal Switch LCD Bias Supply
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
V
CC
, FB, LIM,
SHDN
to GND....................................-0.3V to +6V
LX to GND ..............................................................-0.3V to +32V
Continuous Power Dissipation (T
A
= +70°C)
6-Pin SOT23 (derate 8.7mW/°C above +70°C) ...........696mW
6-Pin TDFN (derate 24.4mW/°C above +70°C) .........1951mW
ELECTRICAL CHARACTERISTICS
(V
CC
=
SHDN
= 3.3V,
T
A
= 0°C to +85°C
, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
PARAMETER
SYMBOL
V
CC
V
IN
V
UVLO
I
CC
CONDITIONS
MIN
2.4
0.8
2.0
TYP
MAX
5.5
V
OUT
2.37
35
1
UNITS
V
V
V
μA
μA
Supply Voltage
Inductor Input Voltage Range
V
CC
Undervoltage Lockout
Quiescent Supply Current
Shutdown Supply Current
(Note 2)
(Note 2)
V
CC
falling, 50mV typical hysteresis
V
FB
= 1.3V
SHDN
= GND
2.2
18
0.1
V
CC
Line Regulation
V
LNR
V
OUT
= 18V, I
LOAD
= 1mA, V
IN
= 5V,
V
CC
= V
LIM
= 2.4V to 5.5V
0.1
%/V
V
IN
Line Regulation
V
LNR
V
OUT
= 18V, I
LOAD
= 1mA,
V
CC
= V
LIM
= 5V, V
IN
= 2.4V to 12V
0.15
%/V
Load Regulation
V
LDR
V
OUT
= 18V, V
CC
= V
IN
= V
LIM
= 5V,
I
LOAD
= 0mA to 20mA
L1 = 100μH, V
IN
= 3.6V, I
LOAD
= 10mA
0.1
%/mA
Efficiency
Feedback Set Point
Feedback Input Bias Current
LX
LX Voltage Range
88
1.25
5
%
V
nA
V
FB
I
FB
1.225
1.275
100
V
FB
= 1.3V
V
LX
30.5
0.56
0.285
0.15
V
LIM = V
CC
LIM = floating
LIM = GND
V
CC
= 5V, I
LX
= 100mA
V
CC
= 3.3V, I
LX
= 100mA
V
LX
= 30.5V
0.40
0.20
0.10
0.50
0.25
0.125
0.8
1
LX Switch Current Limit
I
LX(MAX)
A
LX On-Resistance
R
LX
2
2
16
1.2
6.0
LX Leakage Current
Maximum LX On-Time
μA
μs
t
ON
10
0.8
3.9
13
1.0
5.0
V
FB
> 1.1V
V
FB
< 0.8V (soft-start)
Minimum LX Off-Time
t
OFF
μs
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