參數(shù)資料
型號: G5104T1UF
廠商: Global Mixed-mode Technology Inc.
英文描述: 300mA Alkaline Boost DC/DC Converters in SOT-23-5
中文描述: 300mA的堿性采用SOT升壓直流/直流轉(zhuǎn)換器- 23 - 5
文件頁數(shù): 2/7頁
文件大小: 338K
代理商: G5104T1UF
Ver: 1.2
Mar 01, 2005
TEL: 886-3-5788833
http://www.gmt.com.tw
2
G5104
Global Mixed-mode Technology Inc.
Absolute Maximum Ratings
SW to GND………………………….……….-0.3V to +7V
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, 10 sec)…….…+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
1.7
---
5.5
V
Not Switching
---
40
80
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<5.5V
---
-0.05
---
%/V
FB Pin Bias Current (Note 2)
VFB = 1.2V
---
1
A
Switch Off Time
---
450
---
ns
Switch VDS(ON)
ISW = 0.4A
---
120
160
mV
Switch Current Limit
400
500
600
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 = 7V
---
0.01
5
A
Note 1: The G5104 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
statistical 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
V
OUT
FB
ERROR
COMP
1.2V
en_sw
GND
PUMP CONTROL
OC
COMP
DRIVER
TOFF PULSE
CONTROL
VOUT
VIN
C3
(option)
+
VREF
BIAS
SHUTDOWN
LOGIC
C2
SW
L1
SHDN
VCC
C1
R1
R2
V
OUT
FB
ERROR
COMP
1.2V
en_sw
GND
PUMP CONTROL
OC
COMP
DRIVER
TOFF PULSE
CONTROL
VOUT
VIN
C3
(option)
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