參數(shù)資料
型號： MAX1606
廠商： Maxim Integrated Products, Inc.
英文描述： 16-Bit Bus Transceivers And Registers With 3-State Outputs 56-TSSOP -40 to 85
中文描述： 28V內(nèi)置開關(guān)、LCD偏置電源，提供True Shutdown™
文件頁數(shù)： 2/10頁
文件大?。?/td> 302K
代理商： MAX1606
M
28V Internal Switch LCD Bias Supply
with True Shutdown
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
V
CC
, FB, BATT, SW to GND .....................................-0.3V to +6V
BATT to SW ..............................................................-0.3V to +6V
SHDN
, LIM to GND.....................................-0.3V to (V
CC
+ 0.3V)
LX to GND ..............................................................-0.3V to +30V
Current into LX or BATT..............................................600mA
RMS
Current out of SW .......................................................600mA
RMS
Output Short-Circuit Duration........................................Indefinite
ELECTRICAL CHARACTERISTICS
(V
CC
= 3.3V, V
CC
= BATT =
SHDN
,
T
A
= 0°C to +85°C
, unless otherwise noted. Typical values are at T
A
= +25°C.)
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.
Continuous Power Dissipation (T
A
= +70
°
C)
8-Pin μMAX (derate 4.1mW/
°
C above +70
°
C).............330mW
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
BATT
V
UVLO
I
CC
CONDITIONS
MIN
2.4
0.8
2.0
TYP
MAX
5.5
5.5
2.37
320
1
40
1
UNITS
V
V
V
μ
A
μ
A
μ
A
μ
A
V
CC
Supply Voltage
BATT Input Voltage Range
V
CC
Undervoltage Lockout
V
CC
Quiescent Supply Current
V
CC
Shutdown Supply Current
BATT Input Supply Current
BATT Shutdown Supply Current
(Note 1)
(Note 1)
V
CC
falling, 30mV typical hysteresis
V
FB
= 1.3V
SHDN
= GND
V
FB
= 1.3V
SHDN
= GND
2.2
160
0.1
20
0.1
I
BATT
V
CC
Line Regulation
V
LNR
V
OUT
= 18V, I
LOAD
= 1mA, V
BATT
= 3.6V,
V
CC
= V
LIM
= 2.4V to 5.5V
0.1
%/V
BATT Line Regulation
V
LNR
V
OUT
= 18V, I
LOAD
= 1mA,
V
CC
= V
LIM
= 3.3V, V
BATT
= 0.8V to 5.5V
0.05
%/V
Load Regulation
V
LDR
V
OUT
= 18V, V
CC
= V
BATT
= V
LIM
= 3.3V,
I
LOAD
= 0mA to 20mA
L1 = 100
μ
H, V
BATT
= 3.6V, I
LOAD
= 10mA
0.05
%/mA
Efficiency
Feedback Set Point
Feedback Input Bias Current
INDUCTOR CONNECTIONS (LX, SW)
LX Voltage Range
88
1.25
5
%
V
nA
V
FB
I
FB
1.225
1.275
100
V
FB
= 1.3V
V
LX
28
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
= 28V
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
1
LX Leakage Current
Maximum LX On-Time
μ
A
μ
s
t
ON
10
0.8
3.9
13
1.0
5.0
V
FB
> 1.1V
V
FB
< 0.8V (soft-start)
SW = GND, V
BATT
= 5.5V
Minimum LX Off-Time
t
OFF
μ
s
SW Leakage Current
μ
A
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