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： 4/38頁
文件大?。?/td> 1051K
代理商： MAX1881
M
Quad-Output TFT LCD DC-DC
Converters with Buffer
4
_______________________________________________________________________________________
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
TYP
MAX
UNITS
NEGATIVE CHARGE PUMP (MAX1778/MAX1880/MAX1881/MAX1882 ONLY)
SUPN Input Supply Range
V
SUPN
Operating Frequency
f
CHP
FBN Regulation Voltage
V
FBN
FBN Input Bias Current
I
FBN
DRVN PCH On-Resistance
R
PCH(ON)
2.7
13
V
Hz
mV
nA
0.5 x f
OSC
0
-50
-50
+50
+50
10
4
V
FBN
= 0
5
2
k
A
mV
mV
V
FBN
= +50mV
V
FBN
= -50mV
DRVN NCH On-Resistance
R
NCH(ON)
20
Maximum RMS DRVN Current
FBN Power-Ready Trip Level
FBN Fault Trip Level
LOW-DROPOUT LINEAR REGULATOR (MAX1778/MAX1881/MAX1883/MAX1884 ONLY)
SUPL Input Supply Range
V
SUPL
SUPL Undervoltage Lockout
SUPL Quiescent Current
I
SUPL
0.1
125
140
Falling edge
Rising edge
80
80
165
190
4.5
3.8
15
4.3
220
300
V
V
μA
Rising edge, 50mV hysteresis (typ)
I
LDO
= 100μA
LDO is set to
regulate at 9V
4
120
130
70
I
LDO
= 40mA
I
LDO
= 5mA
Dropout Voltage (Note 1)
V
DROP
mV
FBL Regulation Voltage
V
FBL
V
SUPL
= 10V, LDO regulating at 9V,
I
LDO
= 15mA
1.235
1.25
1.265
V
LDO Load Regulation
V
SUPL
= 10V, LDO regulating at 9V,
I
LDO
= 100μA to 40mA
1.2
%
LDO Line Regulation
V
SUPL
= 4.5V to 15V, FBL = LDOOUT,
I
LDO
= 15mA
V
FBL
= 1.25V
V
SUPL
= 10V, V
LDOOUT
= 9V, V
FBL
= 1.2V
0.02
%/V
FBL Input Bias Current
LDO Current Limit
VCOM BUFFER
SUPB Input Supply Range
SUPB Quiescent Current
BUFOUT Leakage Current
Power-Supply Rejection Ratio
I
FBL
I
LDOLIM
-0.8
40
+0.8
220
μA
mA
130
V
SUPB
I
SUPB
4.5
13
850
+10
V
μA
μA
dB
V
V
SUPB
= 13V
420
-10
85
PSRR
V
SUPB
= 4.5V to 13V, V
CM
= 2.25V
98
Input Common-Mode Voltage
Range
V
CM
|V
OS
| < 10mV
1.2
8.8
Common-Mode Rejection Ratio
Input Bias Current
Input Offset Current
Gain Bandwidth Product
CMRR
I
BIAS
I
OS
GBW
V
CM
= 1.2V to 8.8V
V
CM
= 5V
V
CM
= 5V
C
BUF
= 1μF
75
-100
-100
dB
nA
nA
kHz
-10
+100
+100
13
相關PDF資料
PDF描述
MAX1882 Quad-Output TFT LCD DC-DC Converters with Buffer
MAX1883 Quad-Output TFT LCD DC-DC Converters with Buffer
MAX1884 Quad-Output TFT LCD DC-DC Converters with Buffer
MAX1885 Quad-Output TFT LCD DC-DC Converters with Buffer
MAX1883EUP Replaced by TMS320C6211B : Fixed-Point Digital Signal Processor 256-BGA 0 to 0
相關代理商/技術參數
參數描述
MAX1881EUG 功能描述:直流/直流開關轉換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
MAX1881EUG+ 功能描述:直流/直流開關轉換器 Quad-Output TFT LCD RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
MAX1881EUG+T 功能描述:直流/直流開關轉換器 Quad-Output TFT LCD RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
MAX1881EUG-T 功能描述:直流/直流開關轉換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
MAX1882EUG 功能描述:LCD 驅動器 Quad-Output TFT LCD DC-DC Converter with Buffer RoHS:否 制造商:Maxim Integrated 數位數量:4.5 片段數量:30 最大時鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
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