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参数资料
| 型号： | G5107TBU |
| 厂商： | Global Mixed-mode Technology Inc. |
| 元件分类： | DC/DC变换器 |
| 英文描述： | Low-Voltage, High-Efficiency, Step-up DC-DC Converter |
| 中文描述： | 低电压，高效率，升压型DC - DC转换器 |
| 文件页数： | 3/10页 |
| 文件大小： | 421K |
| 代理商： | G5107TBU |
Ver: 0.3 Preliminary
May 11, 2006
TEL: 886-3-5788833
http://www.gmt.com.tw
2
G5107
Global Mixed-mode Technology Inc.
Absolute Maximum Ratings
VCC, SHDN , SW to GND. . . . . . . . . . . . . -0.3V to +7V
FB, COMP to GND. . . . . . . . . . . . . . . . . . -0.3V to VCC
Operating Temperature. . . . . . . . . . . . .. -40°C to 85°C
Junction Temperature . . . . . . . . . . . . . . . . . . . . .125°C
Storage Temperature. . . . . . . . . . . . . . -65°C to 150°C
Reflow Temperature (soldering, 10sec) . . . . . . 260°C
Stress beyond those listed under “Absolute Maximum Rating” may cause permanent damage to the device.
Electrical Characteristics
(VIN = 1.5V, VCC = V SHDN = 3V, TA = 25°C)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Start-Up Voltage Range
IOUT=1mA
---
1.2
---
V
Operating Voltage Range
2.5
---
5.5
V
VFB = 1.5V (no switching)
---
100
200
A
VFB = 0V (switching)
---
2
mA
Quiescent Current
V SHDN = 0V
---
0.1
1
A
Initial Accuracy
1.26
1.28
1.3
V
FB Comparator Trip Point
Temperature Coefficient
---
100
---
ppm/°C
Error Amp Transconductance
---
0.76
---
mmho
Error Amp Voltage Gain
---
100
---
V/V
Output Over Voltage Protection
---
5
10
%
Switching Frequency
VFB = 0V
0.7
1
1.3
MHz
Maximum Duty
85
---
%
Switch RDS(ON)
ISW = 150mA
---
0.3
0.5
Ω
Switch Leakage Current
VSW = 7V
---
0.1
10
A
Switch Current Limit
1.2
1.5
1.8
A
Switch Current Limit (startup)
---
0.6
---
A
SHDN
Pin Voltage High
0.9xVCC
---
V
SHDN
Pin Voltage Low
---
0.1xVCC
V
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