参数资料
型号: MAX1513ETP+T
厂商: Maxim Integrated Products
文件页数: 7/28页
文件大小: 0K
描述: IC CNTRLR TFT-LCD PS 20-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: 1
输出电压: 2.7 V ~ 50 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-WFQFN 裸露焊盘
供应商设备封装: 20-TQFN-EP(4x4)
包装: 带卷 (TR)
TFT-LCD Power-Supply Controllers
Typical Operating Characteristics
(Circuit of Figure 1, V IN = 5V, V MAIN = 15V, V GON = 25V, V GOFF = -10V, V LOGIC = 3.3V, V GAMMA = 14.7V, T A = +25°C, unless other-
wise noted.)
100
90
STEP-UP EFFICIENCY
vs. LOAD CURRENT (1.5MHz)
V IN = 5.0V
15.1
15.0
STEP-UP OUTPUT VOLTAGE
vs. LOAD CURRENT
V IN = 5V
V IN = 15V
f OSC = 1.5MHz
STEP-UP REGULATOR
LOAD-TRANSIENT RESPONSE
MAX1513/14 toc03
V MAIN
100mV
AC-COUPLED
80
70
V IN = 2.7V
V IN = 3.3V
14.9
14.8
I MAIN
500mA/div
0.1A
60
50
14.7
I L
1A/div
40
0
100 200 300 400 500 600 700 800
14.6
0
100
200
300
400
500
600
700
4 μ s/div
0A
LOAD CURRENT (mA)
STEP-UP REGULATOR
LOAD CURRENT (mA)
PULSED-LOAD-TRANSIENT RESPONSE
MAX1513/14 toc04
STEP-UP REGULATOR SOFT-START
MAX1513/14 toc05
POWER-UP SEQUENCE
MAX1513/14 toc06
V LOGIC
5V/div
V MAIN
100mV/div
AC-COUPLED
V MAIN
5V/div
0V
V MAIN
0V 20V/div
V GON
I MAIN
1A/div
0.1A
I L
1A/div
0A
0V
I L
2A/div
0A
0V
0V
0V
20V/div
V GOFF
10V/div
V GAMMA
20V/div
4 μ s/div
LINEAR REGULATOR REG L
LOAD-TRANSIENT RESPONSE
MAX1513/14 toc07
V LOGIC
50mV/div
AC-COUPLED
1.2
1.0
0.8
0.6
0.4
400 μ s/div
BUFFER-AMPLIFIER SUPPLY CURRENT
vs. SUPPLY VOLTAGE
4ms/div
BUFFER-AMPLIFIER SMALL-SIGNAL
STEP RESPONSE
MAX1513/14 toc09
V FBPB
50mV/div
AC-COUPLED
V OUTB
I LOGIC
500mA/div
0mA
0.2
NO LOAD
V FBPB = V SUPB / 2
50mV/div
AC-COUPLED
0
20 μ s/div
4
6
8 10
SUPPLY VOLTAGE (V)
12
14
400ns/div
_______________________________________________________________________________________
7
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