参数资料
型号: MAX8753ETI+
厂商: Maxim Integrated Products
文件页数: 7/20页
文件大小: 0K
描述: IC DC-DC CONV TFT LCD 28TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 60
应用: 转换器,TFT,LCD
输入电压: 2.6 V ~ 5.5 V
输出数: 4
输出电压: 2.6 V ~ 13 V
工作温度: 0°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(5x5)
包装: 管件
TFT LCD DC-DC Converter with
Integrated Charge Pumps
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V IN = 3V, V MAIN = 9V, T A = +25 ° C, unless otherwise noted.)
24.2
OUTP VOLTAGE
vs. OUTP LOAD CURRENT
1.20
1.15
SWITCHING FREQUENCY
vs. INPUT VOLTAGE
1.252
REFERENCE VOLTAGE
vs. REFERENCE CURRENT
24.1
V SUPP = 10  V
1.10
1.251
24.0
23.9
23.8
V SUPP = 9V
1.05
1.00
0.95
0.90
I MAIN = 100mA
1.250
1.249
1.248
0
5
10
15
20
2.5
3.0
3.5
4.0
4.5
5.0
5.5
0
10
20
30
40
50
OUTP LOAD CURRENT (mA)
V MAIN TRANSIENT RESPONSE
INPUT VOLTAGE (V)
V MAIN 3-PULSE TRANSIENT RESPONSE
REFERENCE CURRENT ( μ A)
V MAIN SWITCHING WAVEFORMS
0
A
0
A
A
0
9V
B
9V
B
0
B
0
C
0
C
9V
C
40 μ s/div
10 μ s/div
400ns/div
A. LOAD FET GATE, 5V/div
B. V MAIN , 200mV/div
C. I LX , 500mA/div
I MAIN = 20mA TO
160mA
A. LOAD FET GATE, 5V/div
B. V MAIN , 200mV/div
C. I LX , 500mA/div
I MAIN = 20mA TO 1A,
2 μ s PULSE
A. V LX , 5V/div
B. I LX , 500mA/div
C. V MAIN , 50mV/div
I MAIN = 160mA
V MAIN SOFT-START
V MAIN SOFT-START (NO LOAD)
OUTP SOFT-START
0
A
0
A
0
OUTN
STARTUP
B
0
V MAIN
OUTN
STARTUP
B
0
A
STARTUP
C
0
1ms/div
0
1ms/div
C
0
400 μ s/div
B
A. SHDN, 5V/div
B. V MAIN , 5V/div
C. I LX , 500mA/div
I MAIN = 160mA
A. SHDN, 5V/div
B. V MAIN , 5V/div
C. I LX , 500mA/div
A. OUTP, 10V/div
B. I SUPP , 500mA/div
I OUTP = 20mA
_______________________________________________________________________________________
7
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