参数资料
型号: MAX1889ETE+T
厂商: Maxim Integrated Products
文件页数: 9/32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
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V IN = +3.3V, V MAIN = +9V, V PL = +20V, V NL = -7V, SHDN = FREQ = IN, PGND = GND, T A = +25 ° C, unless
otherwise noted.)
NEGATIVE LINEAR-REGULATOR
LOAD-TRANSIENT RESPONSE
OVERCURRENT PROTECTION RESPONSE
TO OVERLOAD DURING STARTUP
OVERCURRENT PROTECTION RESPONSE
TO OVERLOAD DURING NORMAL OPERATION
MAX1889 toc22
A
MAX1889 toc23
5V
0
A
MAX1889 toc24
5V
0
A
-6.95V
-7V
B
5V
0
B
5V
0
20V
C
10V
10V
0
C
0
0
B
-10mA
D
0
D
0
-10V
-10V
400 μ s/div
A: V NL = -7V, 50mV/div, AC-COUPLED
B: I NL = 0 TO -10mA, 10mA/div
20ms/div
A: V GATE , 5V/div
B: V MAIN , 5V/div; I MAIN = 1.5A
20ms/div
A: V GATE , 5V/div
B: V MAIN = 9V, 5V/div; I MAIN = 200mA TO 1.5A
1.250
C: V PL , 10V/div; I PL = 10mA
D: V NL , 10V/div; I NL = 10mA
REFERENCE VOLTAGE vs. LOAD CURRENT
2.4
C: V PL = 20V, 10V/div; I PL = 10mA
D: V NL = -7V, 10V/div; I NL = 10mA
LX CURRENT LIMIT vs. INPUT VOLTAGE
1.249
2.3
1.248
2.2
1.247
1.246
1.245
2.1
2.0
0
10 20 30 40 50 60 70 80 90 100
2.5
3.0
3.5
4.0
4.5
5.0
5.5
LOAD CURRENT ( μ A)
INPUT VOLTAGE (V)
_______________________________________________________________________________________
9
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