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參數資料
| 型號： | LM3352MTCX-2.5 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩壓器 |
| 英文描述： | Regulated 200 mA Buck-Boost Switched Capacitor DC/DC Converter |
| 中文描述： | SWITCHED CAPACITOR REGULATOR, 1350 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | 1.10 MM HEIGHT, TSSOP-16 |
| 文件頁數： | 3/11頁 |
| 文件大小： | 516K |
| 代理商： | LM3352MTCX-2.5 |
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
V
OUT
Pin
All Other Pins
Power Dissipation (T
A
= 25C)
(Note 2)
T
JMAX
(Note 2)
θ
JA
(Note 2)
Storage Temperature
0.5V to 4.5V
0.5V to 5.6V
700 mW
150C
150C/W
65C to +150C
Lead Temperature (Soldering, 5 sec.)
ESD Rating (Note 3)
human body model
machine model
260C
2 kV
100V
Operating Ratings
Input Voltage (V
IN
)
Output Voltage (V
OUT
)
Ambient Temperature (T
A
) (Note 2)
Junction Temperature (T
J
) (Note 2)
2.5V to 5.5V
1.8V to 4.0V
40C to +85C
40C to +125C
Electrical Characteristics
Limits in standard typeface are for T
= 25C, and limits in
boldface
type apply over the full operating temperature range. Unless
otherwise specified: C
1
= C
2
= C
3
= 0.33 μF; C
IN
= 15 μF; C
OUT
= 33 μF; V
IN
= 3.5V.
Parameter
Conditions
LM3352-2.5
Output Voltage (V
OUT
)
V
IN
= 3.5V; I
LOAD
= 100 mA
2.8V
<
V
IN
<
5.5V;
1 mA
<
I
LOAD
<
100 mA
3.6V
<
V
IN
<
4.9V;
1 mA
<
I
LOAD
<
200 mA
4.9V
<
V
IN
<
5.5V;
1 mA
<
I
LOAD
<
175 mA
Efficiency
I
LOAD
= 15 mA
I
LOAD
= 150 mA, V
IN
= 4.0V
Output Voltage Ripple
(Peak-to-Peak)
C
OUT
= 33 μF tantalum
LM3352-3.0
Output Voltage (V
OUT
)
V
IN
= 3.5V; I
LOAD
= 100 mA
2.5V
<
V
IN
<
5.5V;
1 mA
<
I
LOAD
<
100 mA
3.8V
<
V
IN
<
5.5V;
1 mA
<
I
LOAD
<
200 mA
Efficiency
I
LOAD
= 15 mA
I
LOAD
= 150 mA, V
IN
= 4.0V
Output Voltage Ripple
(Peak-to-Peak)
C
OUT
= 33 μF tantalum
LM3352-3.3
Output Voltage (V
OUT
)
V
IN
= 3.5V; I
LOAD
= 100 mA
2.5V
<
V
IN
<
5.5V;
1 mA
<
I
LOAD
<
100 mA
4.0V
<
V
IN
<
5.5V;
1 mA
<
I
LOAD
<
200 mA
Efficiency
I
LOAD
= 15 mA
I
LOAD
= 150 mA, V
IN
= 4.0V
Output Voltage Ripple
(Peak-to-Peak)
C
OUT
= 33 μF tantalum
LM3352-ALL OUTPUT VOLTAGE VERSIONS
Operating Quiescent Current
Measured at Pin V
IN
;
I
LOAD
= 0A (Note 4)
Shutdown Quiescent Current
SD Pin at 0V (Note 5)
Switching Frequency
SD Input Threshold Low
2.5V
<
V
IN
<
5.5V
SD Input Threshold High
2.5V
<
V
IN
<
5.5V
Min
Typ
Max
Units
2.463
2.5
2.537
V
2.425/
2.400
2.5
2.575/
2.600
2.425/
2.400
2.5
2.575/
2.600
2.425/
2.400
2.5
2.575/
2.600
85
75
%
I
LOAD
= 50 mA
75
mV
P-P
2.955
3.0
3.045
V
2.910/
2.880
3.0
3.090/
3.120
2.910/
2.880
3.0
3.090/
3.120
80
75
%
I
LOAD
= 50 mA
75
mV
P-P
3.251
3.3
3.349
V
3.201/
3.168
3.3
3.399/
3.432
3.201/
3.168
3.3
3.399/
3.432
90
80
%
I
LOAD
= 50 mA
75
mV
P-P
400
500
μA
2.5
1
5
μA
MHz
V
V
0.65
1.35
0.2 V
IN
0.8 V
IN
www.national.com
3
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