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參數資料
| 型號： | LM3352MTCX-3.3 |
| 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： | 4/11頁 |
| 文件大小： | 516K |
| 代理商： | LM3352MTCX-3.3 |
Electrical Characteristics
(Continued)
Limits in standard typeface are for T
J
= 25C, and limits in
boldface
type apply over the full operating temperature range. Un-
less 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-ALL OUTPUT VOLTAGE VERSIONS
SD Input Current
Measured at SD Pin;
SD Pin = V
IN
= 5.5V
Min
Typ
Max
Units
0.1
1.0
μA
Note 1:
“Absolute Maximum Ratings” indicate limits beyond which damage to the device may occur. Electrical specifications do not apply when operating the device
beyond its rated operating conditions.
Note 2:
As long as T
≤
+85C, all electrical characteristics hold true for the 3.0V and 3.3V options at all current loads and the 2.5V option at all loads when V
≤
5V. For V
5V with the 2.5V option, the junction temperature rise above ambient is:
T = 540I
23 where I
L
is in amps. The output current must be derated at
higher ambient temperatures to make sure T
J
does not exceed 150C when operating the 2.5V option at V
IN
>
5V.
Note 3:
The human body model is a 100 pF capacitor discharged through a 1.5 k
resistor into each pin. The machine model is a 200 pF capacitor discharged di-
rectly into each pin.
Note 4:
The V
OUT
pin is forced to 200 mV above the typical V
OUT
. This is to insure that the internal switches are off.
Note 5:
The output capacitor C
OUT
is fully discharged before measurement.
Typical Performance Characteristics
Unless otherwise specified T
A
= 25C.
V
OUT
vs. V
IN
DS101037-4
V
OUT
vs. V
IN
DS101037-5
V
OUT
vs. V
IN
DS101037-6
V
OUT
vs. V
IN
DS101037-7
www.national.com
4
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| LM3354 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Regulated 90mA Buck-Boost Switched Capacitor DC/DC Converter |
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