参数资料
型号: MAX1889ETE+T
厂商: Maxim Integrated Products
文件页数: 4/32页
文件大小: 0K
描述: IC PWR SUP TRPL LCD 16-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
应用: 控制器,TFT LCD
输入电压: 2.7 V ~ 5.5 V
输出数: 3
输出电压: 2.7 V ~ 13 V
工作温度: 0°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-WQFN 裸露焊盘
供应商设备封装: 16-TQFN-EP(5x5)
包装: 带卷 (TR)
Triple-Output TFT LCD Power Supply
with Fault Protection
ELECTRICAL CHARACTERISTICS
(V IN = 3V, SHDN = IN, C REF = 0.22μF, PGND = GND, T A = -40 ° C to +85 ° C .) (Note 4)
PARAMETER
IN Supply Range
IN ULVO Threshold
IN Quiescent Current
IN Shutdown Current
REF Output Voltage
SYMBOL
V IN
V UVLO
I IN
V REF
CONDITIONS
V IN rising
V IN falling
V FB = V FBP = 1.5V, V FBN = 0V (Note 1)
V SHDN = 0, V IN = 5V
-2μA < I REF < 50μA
MIN
2.7
2.55
2.2
1.231
MAX
5.5
2.85
2.5
1.0
1.0
1.269
UNITS
V
V
mA
μA
V
MAIN STEP-UP REGULATOR
Main Output Voltage Range
V MAIN
V IN
13
V
Operating Frequency
Oscillator Maximum Duty Cycle
FB Regulation Voltage
FB Fault Trip Level
Line Regulation
FB Input Bias Current
LX Switch On-Resistance
LX Current Limit
f OSC
V FB
I FB
R LX(ON)
I LIM
V FREQ = V IN
I LX = 200mA, slope = 0 (Note 2)
V FB falling
V IN = 2.7V to 5.5V
V FB = 1.5V
0.75
78
1.215
0.96
-100
1.6
1.25
92
1.260
1.04
0.45
+100
450
2.8
MHz
%
V
V
%/V
nA
m ?
A
POSITIVE LINEAR-REGULATOR CONTROLLER
FBP Regulation Voltage
FBP Fault Trip Level
FBP Input Bias Current
FBP Effective Transconductance
Bandwidth
DRVP Sink Current
V FBP
I FBP
I DRVP
I DRVP = 0.2mA
V FBP falling
V FBP = 1.25V
V DRVP = 10V, I DRVP = 0.1mA to 2mA
(Note 2)
V FBP = 1.1V, V DRVP = 10V
1.213
0.96
-50
60
200
5
1.288
1.04
+50
V
V
nA
mS
kHz
mA
NEGATIVE LINEAR-REGULATOR CONTROLLER
FBN Regulation Voltage
FBN Fault Trip Level
FBN Input Bias Current
FBN Effective Transconductance
Bandwidth
DRVN Sink Current
V FBN
I FBN
I DRVN
I DRVN = 0.2mA
V FBN rising
V FBN = 0V
V DRVN = -10V, I DRVN = 0.1mA to 2mA
(Note 2)
V FBN = 200mV, V DRVN = -10V
95
325
-50
60
200
5
155
475
+50
mV
mV
nA
mS
kHz
mA
LOGIC SIGNAL ( SHDN )
Input Low Voltage
Input High Voltage
Input Current
I SHDN
100mV typical hysteresis
1.6
0.4
1
V
V
μA
4
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