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參數(shù)資料
| 型號(hào)： | MAX1748-MAX8726 |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | DC/DC變換器 |
| 英文描述： | Triple-Output TFT-LCD DC-DC Converters |
| 中文描述： | 三輸出的TFT - LCD的DC - DC轉(zhuǎn)換器 |
| 文件頁數(shù)： | 3/16頁 |
| 文件大小： | 277K |
| 代理商： | MAX1748-MAX8726 |
M
Triple-Output TFT LCD DC-DC Converter
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= +3.0V,
SHDN
= IN, V
SUPP
= V
SUPN
= 10V, TGND = PGND = GND, C
REF
= 0.22μF, C
INTG
= 470pF,
T
A
= 0
°
C to +85
°
C
, unless
otherwise noted. Typical values are at T
A
= +25
°
C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Operating Frequency
0.5
×
f
OSC
1.25
Hz
FBP Regulation Voltage
FBP Input Bias Current
DRVP PCH On-Resistance
V
FBP
I
FBP
1.20
-50
1.30
50
10
4
V
nA
k
V
V
A
V
FBP
= 1.5V
3
V
FBP
= 1.213V
V
FBP
= 1.275V
Rising edge
Falling edge
1.5
DRVP NCH On-Resistance
20
FBP Power-Ready Trip Level
FBP Fault Trip Level
Maximum RMS DRVP Current
NEGATIVE CHARGE PUMP
V
SUPN
Input Supply Range
1.091
1.125
1.11
0.1
1.159
V
SUPN
2.7
13
V
Operating Frequency
0.5
×
f
OSC
0
Hz
FBN Regulation Voltage
FBN Input Bias Current
DRVN PCH On-Resistance
V
FBN
I
FBN
-50
-50
50
50
10
4
mV
nA
k
mV
mV
A
V
FBN
= -0.05V
3
V
FBN
= 0.035V
V
FBN
= -0.025V
Rising edge
Falling edge
1.5
DRVN NCH On-Resistance
20
80
FBN Power-Ready Trip Level
FBN Fault Trip Level
Maximum RMS DRVN Current
REFERENCE
110
130
0.1
165
Reference Voltage
Reference Undervoltage
Threshold
LOGIC SIGNALS
SHDN
Input Low Voltage
V
REF
-2μA < I
REF
< 50μA
1.231
1.25
1.269
V
V
REF
rising
0.9
1.05
1.2
V
0.4V hysteresis (typ)
0.9
V
SHDN
Input High Voltage
SHDN
Input Current
RDY
Output Low Voltage
RDY
Output High Voltage
2.1
V
I
SHDN
0.01
0.25
0.01
1
μ
A
V
μ
A
I
SINK
= 2mA
V
RDY
= 13V
0.5
1
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