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參數(shù)資料
| 型號： | G5111T11U |
| 廠商： | Global Mixed-mode Technology Inc. |
| 英文描述： | Micro-power Step-Up DC/DC Converters in SOT-23-5 |
| 中文描述： | 微功率升壓型DC / DC轉(zhuǎn)換器采用SOT - 23 - 5 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 432K |
| 代理商： | G5111T11U |
Ver: 1.2
Sep 09, 2004
TEL: 886-3-5788833
http://www.gmt.com.tw
2
G5111
Global Mixed-mode Technology Inc.
Absolute Maximum Ratings
SW to GND…………………………………..-0.3V to +30V
FB to GND…………… ……………………….-0.3V to VCC
VCC, SHDN to GND.............................…....-0.3V to +7V
Operating Temperature Range (Note 1)..-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
(VCC = 3.6V, V SHDN = 3.6V, TA = 25°C)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Input Voltage Range
2.5
---
6.5
V
Not Switching
---
20
35
A
Quiescent Current
V SHDN = 0V
---
0.1
1
A
FB Comparator Trip Point
1.18
1.2
1.22
V
Output Voltage Line Regulation
2.5V<VIN<6.5V
---
-0.05
---
%/V
FB Pin Bias Current (Note 2)
VFB = 1.2V
---
30
80
nA
VFB > 1V
---
500
---
ns
Switch Off Time
VFB < 0.6V
---
1.6
---
s
Switch VDS(ON)
ISW = 300mA
---
250
350
mV
Switch Current Limit
300
350
400
mA
SHDN
Pin Current
---
0.1
1
A
SHDN
Input Voltage High
0.9
---
V
SHDN
Input Voltage Low
---
0.25
V
Switch Leakage Current
Switch Off, VSW = 28V
---
0.01
5
A
Note 1: The G5111 are guaranteed to meet performance specifications from 0°C to 85°C. Specifications over the
-40°C to 85°C operating temperature range are assured by design, characterization and correlation with sta-
tistical process controls.
Note 2: Bias current flows into the FB pin.
Block Diagram
+
VREF
BIAS
SHUTDOWN
LOGIC
C2
SW
L1
SHDN
VCC
C1
R1
R2
VOUT
FB
ERROR
COMP
1.2V
en_sw
GND
PUMP CONTROL
OC
COMP
DRIVER
TOFF PULSE
CONTROL
VOUT
VIN
+
VREF
BIAS
SHUTDOWN
LOGIC
C2
SW
L1
SHDN
VCC
C1
R1
R2
VOUT
FB
ERROR
COMP
1.2V
en_sw
GND
PUMP CONTROL
OC
COMP
DRIVER
TOFF PULSE
CONTROL
VOUT
VIN
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| G5111T11UF | 制造商:GMT 制造商全稱:Global Mixed-mode Technology Inc 功能描述:Micro-power Step-Up DC/DC Converters in SOT-23-5 |
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