參數(shù)資料
型號(hào)： LM2852XMXAX-3.3
廠(chǎng)商： NATIONAL SEMICONDUCTOR CORP
元件分類(lèi)： 穩(wěn)壓器
英文描述： 2A 500/1500kHz SIMPLE SYNCHRONOUS Buck Regulator
中文描述： 4.95 A SWITCHING REGULATOR, 1825 kHz SWITCHING FREQ-MAX, PDSO14
封裝： TSSOP-14
文件頁(yè)數(shù)： 5/13頁(yè)
文件大?。?/td> 618K
代理商： LM2852XMXAX-3.3
Electrical Characteristics
AVIN = PVIN = 5V unless otherwise indicated under the
Conditions
column.
Typicals and limits appearing in plain type apply for T
= T
= +25C. Limits appearing in
boldface
type apply over full
Operating Junction Temperature Range (40C to +125C). Datasheet min/max specification limits are guaranteed by design,
test, or statistical analysis. (Continued)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
ENABLE CONTROL
4
V
IH
EN Pin Minimum
High Input
EN Pin Maximum
Low Input
EN Pin Pullup
Current
75
% of
AVIN
% of
AVIN
μA
V
IL
25
I
EN
EN = 0V
1.2
THERMAL CONTROLS
T
SD
T
J
for Thermal
Shutdown
Hysteresis for
Thermal Shutdown
165
C
T
SD-hys
10
C
Note 1:
Absolute maximum ratings indicate limits beyond which damage to the device may occur. Operating Range indicates conditions for which the device is
intended to be functional, but does not guarantee specfic performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics.
Note 2:
Human body model: 1.5k
in series with 100pF. SW and PVIN pins are derated to 1.5kV
Note 3:
V
OUT
measured in a non-switching, closed-loop configuration at the SNS pin.
Note 4:
The enable pin is internally pulled up, so the LM2852 is automatically enabled unless an external enable voltage is applied.
L
www.national.com
5
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