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參數(shù)資料
| 型號(hào)： | SC1408IMS.TR |
| 廠(chǎng)商： | Semtech Corporation |
| 英文描述： | LOW VOLTAGE, BOOST DC-DC CONTROLLER |
| 中文描述： | 低電壓，升壓DC - DC控制器 |
| 文件頁(yè)數(shù)： | 2/12頁(yè) |
| 文件大小： | 157K |
| 代理商： | SC1408IMS.TR |
2000 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
LOW VOLTAGE, BOOST DC-DC
CONTROLLER
SC1408
August 22, 2000
ABSOLUTE MAXIMUM RATINGS
2
Parameter
Input Voltage
Small Signal Ground to Power Ground
Symbol
BST to GND
GND to AGND
Maximum
-0.3 to 18
±0.1
Units
V
V
GATE to GND
-0.3 to VBST+0.3
V
FB, SHDN, REF, ISENSE to GND
-0.3 to min. of VBST+0.3 or 5
V
Operating Temperature
T
A
-40 to +85
°C
Junction Temperature Range
T
J
-40 to +150
°C
Storage Temperature
T
STG
-65 to +160
°C
Lead Temperature (Soldering) 10 seconds
T
L
+300
°C
Thermal Resistance, Junction to Ambient
SO-8
MSOP-8
Thermal Resistance, Junction to Case
SO-8/MSOP-8
θ
=
JA
165
206
°C/W
θ
=
JC
40
°C/W
ELECTRICAL CHARACTERISTICS
(1)
Unless specified: V
OUT
= 5V; I
LOAD
= 0mA; T
A
= +25°C
PARAMETER
SYM
CONDITIONS
MIN
TYP
MAX
UNITS
Input Voltage
T
A
= 25°C
1.8
16.5
V
T
A
= -40°C to +85°C
V
OUT
= 16.5V,
SHDN
≤
=
0.4V
V
OUT
= 10V,
1.6V
≤
=
SHDN
≤
=
5V
V
IN
= 2.0V to 5.0V,
1.8
16.5
V
Supply Current
T
A
= -40°C to +85°C
110
140
uA
T
A
= -40°C to +85°C
2
10
μA
Output Voltage
T
A
= -40°C to +85°C
4.800
5.0
5.200
V
Load Regulation
V
IN
= 2.0V, V
OUT
= 5V, I
LOAD
= 0mA to 500mA
V
IN
= 2.7V to 4.0V, V
OUT
= 5V, I
LOAD
= 500mA
No load
60
mV/A
Line Regulation
7
mV/V
Minimum Start Up Voltage
1.8
V
Maximum Switch On Time
T
ON
T
OFF
9.6
16
22.4
μs
Minimum Switch Off Time
1.4
2.3
3.2
μs
Efficiency
V
IN
= 4V, V
OUT
= 5V, I
LOAD
= 500mA
I
REF
= 0μA
T
A
= -40°C to +85°C
87
%
Reference Voltage
V
REF
1.176 1.200 1.224
V
Reference Load Regulation
0μA < I
REF
< 100μA
5V < V
OUT
< 16.5V
T
= 25°C
T
A
= -40°C to +85°C
T
= 25°C
T
A
= -40°C to +85°C
-4
10
mV
Reference Line Regulation
40
100
μV/V
FB Trip Point Voltage
V
FB
1.176
1.200
1.224
V
FB Input Current
I
FM
-4
+40
nA
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