參數(shù)資料
型號(hào): MAX1518B
廠商: Maxim Integrated Products, Inc.
元件分類: DC/DC變換器
英文描述: TFT-LCD DC-DC Converter with Operational Amplifiers
中文描述: TFT-LCD DC-DC轉(zhuǎn)換器,帶有運(yùn)算放大器
文件頁數(shù): 3/25頁
文件大?。?/td> 1308K
代理商: MAX1518B
M
TFT-LCD DC-DC Converter with
Operational Amplifiers
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= 3V, V
SUP
= 8V, PGND = AGND = BGND = 0, I
REF
= 25μA,
T
A
= 0°C to +85°C
. Typical values are at T
A
= +25°C, unless other-
wise noted.)
PARAMETER
SYMBOL
R
LX(ON)
I
LX
I
LIM
CONDITIONS
MIN
TYP
160
0.02
3.0
MAX
250
40
3.5
UNITS
m
μA
A
LX On-Resistance
LX Leakage Current
LX Current Limit
V
LX
= 13V
V
FB
= 1V, duty cycle = 65%
2.5
Current-Sense
Transconductance
3.0
3.8
5.0
S
Soft-Start Period
Soft-Start Step Size
OPERATIONAL AMPLIFIERS
SUP Supply Range
SUP Supply Current
t
SS
14
ms
A
I
LIM
/ 8
V
SUP
I
SUP
4.5
13.0
3.8
V
Buffer configuration, V
POS
_ = 4V, no load
(V
NEG
_, V
POS
_, V
OUT
_)
V
SUP
/ 2,
T
A
= +25
°
C
(V
NEG
_ , V
POS
_, V
OUT
_)
V
SUP
/ 2
2.4
mA
Input Offset Voltage
V
OS
0
12
mV
Input Bias Current
Input Common-Mode Range
Common-Mode Rejection Ratio
Open-Loop Gain
I
BIAS
V
CM
CMRR
+1
±
50
V
SUP
nA
V
dB
dB
0
45
0
(V
NEG
_, V
POS
_)
V
SUP
125
I
OUT
_ = 100μA
V
SUP
-
15
V
SUP
-
3
Output Voltage Swing, High
V
OH
I
OUT
_ = 5mA
V
SUP
-
150
V
SUP
-
80
mV
I
OUT
_ = -100μA
I
OUT
_ = -5mA
To V
SUP
/ 2, source or sink
(V
NEG
_ , V
POS
_, V
OUT
_)
V
SUP
/ 2,
|
V
OS
| < 10mV (|
V
OS
| < 30mV for OUT3)
2
80
150
15
150
Output Voltage Swing, Low
V
OL
mV
Short-Circuit Current
50
mA
Output Source and Sink Current
40
mA
Power-Supply Rejection Ratio
PSRR
DC, 6V
V
SUP
13V,
(V
NEG
_, V
POS
_)
V
SUP
/2
60
dB
Slew Rate
-3dB Bandwidth
Gain-Bandwidth Product
GATE-ON LINEAR-REGULATOR CONTROLLER
FBP Regulation Voltage
FBP Fault Trip Level
FBP Input Bias Current
FBP Effective Load-Regulation
Error (Transconductance)
13
12
8
V/μs
MHz
MHz
R
L
= 10k
, C
L
= 10pF, buffer configuration
Buffer configuration
GBW
V
FBP
I
DRVP
= 100μA
V
FBP
falling
V
FBP
= 1.4V
1.231
0.96
-50
1.250
1.00
1.269
1.04
+50
V
V
nA
I
FBP
V
DRVP
= 10V, I
DRVP
= 50μA to 1mA
-0.7
-1.5
%
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