参数资料
型号: MAX8739ETP+
厂商: Maxim Integrated Products
文件页数: 8/19页
文件大小: 0K
描述: IC DC/DC CONV W/OPAMP 20TQFN-EP
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: 1.8 V ~ 5.5 V
输出数: 1
输出电压: 1.8 V ~ 13 V
工作温度: 0°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-WQFN 裸露焊盘
供应商设备封装: 20-TQFN-EP(5x5)
包装: 管件
TFT, LCD, DC-DC Converter with
Operational Amplifiers
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V IN = 2.5V, V MAIN = 8V, FREQ = IN, T A = +25°C, unless otherwise noted.)
TIMER DELAY LATCH
SUP SUPPLY CURRENT
RESPONSE TO OVERLOAD
53ms
A
0V
B
0V
C
OA
POWER-UP SEQUENCE
A
B
C
D
E
10
8
6
4
2
vs. SUP VOLTAGE
SWITCHING
NOT SWITCHING
10ms/div
2ms/div
0
4
6
8
10
12
A: V IN , 2V/div
B: V MAIN , 5V/div
C: INDUCTOR CURRENT, 2A/div
SUP SUPPLY CURRENT
vs. TEMPERATURE
A: V LDO , 5V/div
B: V MAIN , 5V/div
C: V SRC , 20V/div
D: V GON , 20V/div
E: V GOFF , 5V/div
OPERATIONAL-AMPLIFIER
FREQUENCY RESPONSE
SUP VOLTAGE (V)
OPERATIONAL-AMPLIFIER RAIL-TO-RAIL
INPUT/OUTPUT
10
V SUP = 8V
4
BUFFER CONFIGURATION
BUFFER CONFIGURATION
V IN = 3.3V
2
8
6
4
SWITCHING
0
-2
-4
A
0V
2
NOT SWITCHING
-6
-8
R L = 10k ?
C L = 1000pF
A V = 1
B
0A
0
-50
-20
10
40
70
100
-10
100k
V SUP = 8V
1M
10M
10 μ s/div
TEMPERATURE ( ° C)
FREQUENCY (Hz)
A: BUFFER INPUT, 5V/div
B: BUFFER OUTPUT, 5V/div
8
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