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參數(shù)資料
| 型號(hào)： | LM3354MMX-3.7 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類(lèi)： | 穩(wěn)壓器 |
| 英文描述： | Regulated 90mA Buck-Boost Switched Capacitor DC/DC |
| 中文描述： | SWITCHED CAPACITOR REGULATOR, 1400 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封裝： | MSOP-10 |
| 文件頁(yè)數(shù)： | 4/12頁(yè) |
| 文件大?。?/td> | 394K |
| 代理商： | LM3354MMX-3.7 |
Electrical Characteristics
(Continued)
Limits in standard typeface are for T
= 25C, and limits in
boldface
type apply over the full operating temperature range. Un-
less otherwise specified: C
1
= C
2
= 0.33 μF; C
IN
= 10 μF; C
OUT
= 10 μF; C
FIL
= 1 μF; V
IN
= 3.5V.
Parameter
Conditions
Min
(Note 5)
Typ
(Note 4)
Max
(Note 5)
Units
LM3354-ALL OUTPUT VOLTAGE VERSIONS
Operating Quiescent
Current
Shutdown Quiescent
Current
Switching Frequency
SD Input Threshold Low
SD Input Threshold High
SD Input Current
Measured at Pin V
IN
;
I
LOAD
= 0A (Note 6)
SD Pin at 0V (Note 7)
375
475
μA
2.3
5
μA
0.6
1
1.4
MHz
V
V
2.5V
<
V
IN
<
5.5V
2.5V
<
V
IN
<
5.5V
Measured at SD Pin;
SD Pin = V
IN
= 5.5V
0.2 V
IN
0.8 V
IN
0.3
μA
Note 1:
“Absolute Maximum Ratings” indicate limits beyond which damage to the device may occur. Operating Ratings are conditions for which the device is
intended to be functional, but device parameter specifications may not be guaranteed. For guaranteed specifications and test conditions, see “Electrical
Characteristics”.
Note 2:
As long as T
A
≤
+85C, all electrical characteristics hold true and the junction temperature should remain below +120C except for the 5V output option.
The 5V option requires that T
A
≤
+60C.
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
directly into each pin.
Note 4:
Typical numbers are at 25C and represent the most likely norm.
Note 5:
All limits guaranteed at room temperature (standard typeface) and at temperature extremes (bold typeface). All room temperature limits are 100% tested
or guaranteed through statistical analysis.All limits at temperature extremes are guaranteed by correlation using standard Statistical Quality Control methods (SQC).
All limits are used to calculate Average Outgoing Quality Level (AOQL).
Note 6:
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 7:
The output capacitor C
OUT
is fully discharged before measurement.
Typical Performance Characteristics
Unless otherwise specified T
A
= 25C.
V
OUT
vs. V
IN
DS200188-41
V
OUT
vs. V
IN
DS200188-42
L
www.national.com
4
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