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參數(shù)資料
| 型號(hào)： | G5111 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Micro-power Step-Up DC/DC Converters in SOT23-5 |
| 中文描述： | 微功率升壓型DC / DC轉(zhuǎn)換器采用SOT23 - 5 |
| 文件頁數(shù)： | 2/5頁 |
| 文件大小： | 89K |
| 代理商： | G5111 |
Ver 0.2 Preliminary
Jan 09, 2002
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 +15V
FB to GND…………… ………………………..-0.3V to V
CC
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
Lead Temperature (Soldering, 10 sec).…………..+300°C
Stress beyond those listed under “Absolute Maximum Rating” may cause permanent damage to the device.
Electrical Characteristics
(V
CC
= 2.5V,
V
SHDN
= 2.5V, T
A
=
25°C
)
PARAMETER
CONDITIONS
MIN
2.5
1.18
300
0.9
TYP
20
0.1
1.2
0.05
30
500
1.6
250
350
0.1
MAX
6.5
30
1
1.22
80
350
400
1
UNITS
V
μA
μA
V
%/V
nA
ns
μs
mV
mA
μA
V
Input Voltage Range
Not Switching
V
SHDN
= 0V
T
A
= 0°C ~ 85°C
2.5V<V
IN
<6.5V
V
FB
= 1.2V, T
A
= 0°C ~ 85°C
V
FB
> 1V
V
FB
< 0.6V
I
SW
= 300mA
Quiescent Current
FB Comparator Trip Point
Output Voltage Line Regulation
FB Pin Bias Current (Note 2)
Switch Off Time
Switch V
CESAT
Switch Current Limit
SHDN
Pin Current
SHDN
Input Voltage High
SHDN
Input Voltage Low
Switch Leakage Current
0.25
V
Switch Off, V
SW
= 5V
0.01
5
μA
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
3
5
4
2
1
+
+
VREF
BIAS
LOGIC
C2
SW
L1
SHDN
VCC
C1
R1
R2
VOUT
FB
COMP
1.2V
en_sw
GND
PUMP CONTROL
COMP
DRIVER
CONTROL
V
OUT
V
IN
SHUTDOWN
ERROR
OC
NPN
T
OFF
PULSE
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