參數(shù)資料
型號(hào)： G5103T11U
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(yè)數(shù)： 2/8頁(yè)
文件大小： 288K
代理商： G5103T11U
Ver: 1.1
Sep 20, 2004
TEL: 886-3-5788833
http://www.gmt.com.tw
2
G5103
Global Mixed-mode Technology Inc.
Absolute Maximum Ratings
SW to GND…………………………………..-0.3V to +18V
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 = 16V
0.01
5
A
Note 1: The G5103 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
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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