參數資料
型號: MAX1881
廠商: Maxim Integrated Products, Inc.
元件分類: DC/DC變換器
英文描述: Quad-Output TFT LCD DC-DC Converters with Buffer
中文描述: 四路輸出、TFT LCD DC-DC轉換器,帶有緩沖器
文件頁數: 5/38頁
文件大?。?/td> 1051K
代理商: MAX1881
M
Quad-Output TFT LCD DC-DC
Converters with Buffer
_______________________________________________________________________________________
5
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= +3.0V,
SHDN
= IN, V
SUPP
= V
SUPN
= V
SUPB
= V
SUPL
= 10V, LDOOUT = FBL, BUF- = BUFOUT, BUF+ = FLTSET = TGND =
PGND = GND, C
REF
= 0.22μF, C
BUF
= 1μF,
T
A
= 0
°
C to +85
°
C
. Typical values are at T
A
= +25
°
C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
4.99
4.97
4.93
TYP
MAX
5.01
5.03
5.07
UNITS
I
BUFOUT
= 0
I
BUFOUT
=
±
5mA
I
BUFOUT
=
±
45mA
V
Output Voltage
V
BUFOUT
BUF+ = GND
I
BUFOUT
=
±
5mA
-30
30
Input Offset Voltage
V
OS
V
SUPB
= 4.5V to 13V,
V
CM
= 1.2V to
(V
SUPB
1.2V)
I
BUFOUT
=
±
45mA
-70
70
mV
Output Voltage Swing High
Output Voltage Swing Low
Peak Buffer Output Current
V
OH
V
OL
I
BUFOUT
= -45mA,
V
OS
= 1V
I
BUFOUT
= +45mA,
V
OS
= 1V
9
9.6
0.4
±150
V
V
1
mA
BUF+ Dual Mode
Threshold
Voltage
Falling edge, 20mV hysteresis (typ)
80
125
170
mV
REFERENCE
Reference Voltage
V
REF
-2
μ
A < I
REF
< 50μA
1.231
1.25
1.269
V
Reference Undervoltage
Threshold
LOGIC SIGNALS
0.9
1.05
1.2
V
SHDN
Input Low Voltage
SHDN
Input High Voltage
SHDN
Input Current
0.9
V
V
μA
2.1
I
SHDN
0.01
1
FLTSET Input Voltage Range
0.67 x
V
REF
80
0.85 x
V
REF
170
50
0.5
1
V
FLTSET Threshold Voltage
FLTSET Input Current
RDY
Output Low Voltage
RDY
Output High Leakage
Thermal Shutdown
Rising edge, 25mV hysteresis (typ)
V
FLTSET
= 1V
I
SINK
= 2mA
V
RDY
= 13V
Rising temperature
125
0.1
0.25
0.01
160
mV
nA
V
μA
°
C
Dual Mode is a registered trademark of Maxim Integrated Products, Inc.
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MAX1882 Quad-Output TFT LCD DC-DC Converters with Buffer
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