参数资料
型号: MAX8758ETG+
厂商: Maxim Integrated Products
文件页数: 8/20页
文件大小: 0K
描述: IC REG STEP UP 24-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 75
应用: 转换器,TFT,LCD
输入电压: 1.8 V ~ 5.5 V
输出数: 1
输出电压: 5V
工作温度: 0°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-WFQFN 裸露焊盘
供应商设备封装: 24-TQFN-EP(4x4)
包装: 管件
Step-Up Regulator with Switch Control
and Operational Amplifier for TFT LCD
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V IN = 3.3V, V MAIN = 8.5V, FREQ = SHDN = IN, T A = +25°C, unless otherwise noted.)
HIGH-VOLTAGE SWITCH CONTROL FUNCTION
OP-AMP LARGE-SIGNAL STEP RESPONSE
MAX8758 toc17
OP-AMP SMALL-SIGNAL STEP RESPONSE
MAX8758 toc18
(MODE 1)
MAX8758 toc19
V MODE
V POSB
V CTL
V OUTB
2V/div
100mV/div
AC-COUPLED
V OUTB
200mV/div
AC-COUPLED
V GON
1 μ s/div
HIGH-VOLTAGE SWITCH CONTROL FUNCTION
(MODE 2)
MAX8758 toc20
V MODE
V CTL
V GON
200ns/div
POSITIVE CHARGE-PUMP OUTPUT VOLTAGE
vs. CHARGE-PUMP LOAD CURRENT
25
24
23
22
21
400 μ s/div
NEGATIVE CHARGE-PUMP OUTPUT VOLTAGE
vs. LOAD CURRENT
-5
-6
-7
-8
-9
20
V IN = 3.3V
f OSC = 1.2MHz
-10
V IN = 3.3V
f OSC = 1.2MHz
400 μ s/div
0
5
10
15
20
0
5
10
15
20
CHARGE-PUMP LOAD CURRENT (mA)
CHARGE-PUMP LOAD CURRENT (mA)
8
_______________________________________________________________________________________
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