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参数资料
| 型号： | MAX8739ETP+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/19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： | 2,500 |
| 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： | 带卷 (TR) |
TFT, LCD, DC-DC Converter with
Operational Amplifiers
ELECTRICAL CHARACTERISTICS (continued)
(V IN = 2.5V, V SUP = 10V, V SRC = 28V, FREQ = CTL = IN, PGND = AGND = 0, T A = -40°C to +85°C , unless otherwise noted.) (Note 1)
PARAMETER
FREQ Input-High Voltage
FREQ Pulldown Current
FB Regulation Voltage
FB Fault-Trip Level
Duration to Trigger-Fault
Condition
FB Line Regulation
FB Input Bias Current
FB Transconductance
LX On-Resistance
LX Current Limit
Current-Sense Transresistance
CONDITIONS
V IN = 1.8V to 2.4V
V IN = 2.4V to 5.5V
V FREQ = 1.0V
I SWITCH = 200mA
Falling edge
FREQ = AGND
FREQ = IN
V IN =1.8V to 5.5V
V FB = 1.3V
? I COMP = 5μA
I LX = 200mA
V FB = IV, duty cycle = 65%
MIN
1.4
2.0
3.5
1.220
0.96
41
47
-0.15
75
1.5
0.22
TYP
MAX
6.0
1.260
1.04
64
65
+0.15
200
280
400
2.3
0.50
UNITS
V
μA
V
V
ms
%/V
nA
μS
m ?
A
V/A
OPERATIONAL AMPLIFIERS
Input Offset Voltage
V CM = V SUP /2, T A = +25°C
12
mV
Input Common-Mode Voltage
Range
NEG1, POS1, NEG2, POS2
0
V SUP
V
Common-Mode Rejection Ratio
Output Voltage Swing High
Output Voltage Swing Low
0 ≤ V NEG _, V POS _ ≤ V SUP
I OUT _ = 100μA
I OUT _ = 5mA
I OUT _ = -100μA
I OUT _ = -5mA
50
V SUP -
15
V SUP -
150
15
150
dB
mV
mV
Short-Circuit Current
To V SUP /2
Source
Sink
50
50
mA
Output Source-and-Sink Current
Power-Supply Rejection Ratio
Buffer configuration, V POS _ = 4V,
| ? V OS | < 10mV
DC, 6V ≤ V SUP ≤ 13V, V POS _, V NEG _ = V SUP /2
40
60
mA
dB
_______________________________________________________________________________________
5
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