參數(shù)資料
型號(hào)： LP3990TLX-3.3
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類(lèi)： 基準(zhǔn)電壓源/電流源
英文描述： CLAMP
中文描述： 3.3 V FIXED POSITIVE REGULATOR, PBGA4
封裝： MICRO, SMD-4
文件頁(yè)數(shù)： 5/13頁(yè)
文件大小： 711K
代理商： LP3990TLX-3.3
Absolute Maximum Ratings
(Notes 1, 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Input Voltage
Output Voltage
-0.3 to 6.5V
-0.3 to (V
IN
+ 0.3V) to
6.5V (max)
-0.3 to (V
IN
+ 0.3V) to
6.5V (max)
Enable Input Voltage
Junction Temperature
Lead/Pad Temp. (Note 3)
LLP/SOT23
micro SMD
Storage Temperature
Continuous Power Dissipation
Internally Limited(Note 4)
150C
235C
260C
-65 to 150C
ESD (Note 5)
Human Body Model
Machine Model
2KV
200V
Operating Ratings
(Note 1)
Input Voltage
Enable Input Voltage
2V to 6V
0 to (V
IN
+ 0.3V) to
6.0V (max)
-40C to 125C
-40C to 85C
Junction Temperature
Ambient Temperature T
A
Range
(Note 6)
Thermal Properties
(Note 1)
Junction To Ambient Thermal
Resistance(Note 8)
θ
JA
(LLP-6)
θ
JA
(microSMD)
θ
JA
SOT23-5
88C/W
220C/W
220C/W
Electrical Characteristics
Unless otherwise noted, V
=950mV, V
= V
+ 1.0V, or 2.0V, whichever is higher. C
= 1 μF, I
= 1 mA, C
=0.47
μF. Typical values and limits appearing in normal type apply for T
= 27C. Limits appearing in
boldface
type apply over the
full junction temperature range for operation, 40 to +125C. (Note 13)
Symbol
Parameter
Conditions
Typ
Limit
Units
Min
2
-1
-1.5
-2.5
Max
6
+1
+1.5
+2.5
V
IN
V
OUT
Input Voltage
Output Voltage Tolerance
(Note 14)
I
LOAD
= 1 mA
V
Micro SMD
LLP
Micro SMD
%
Over full line
and load
regulation.
V
IN
= (V
OUT(NOM)
+ 1.0V) to 6.0V,
I
OUT
= 1mA
to 150mA
LLP
-3
+3
Line Regulation Error
Load Regulation Error
0.02
0.002
-0.1
-0.005
0.1
0.005
%/V
V
OUT
= 0.8 to 1.95V
MicroSMD
V
OUT
= 0.8 to 1.95V
LLP, SOT-23
V
OUT
= 2.0 to 3.3V
MicroSMD
V
OUT
= 2.0 to 3.3V
LLP, SOT-23
%/mA
0.003
-0.008
0.008
0.0005
-0.002
0.002
0.002
-0.005
0.005
V
DO
Dropout Voltage
I
OUT
= 150mA
(Note 7)
(Notes 9, 10)
V
EN
= 950mV, I
OUT
= 0mA
V
EN
= 950mV, I
OUT
= 150mA
V
EN
= 0.4V
(Note 11)
120
mV
I
LOAD
I
Q
Load Current
Quiescent Current
0
μA
43
65
80
120
0.2
1000
μA
0.002
550
I
SC
I
OUT
PSRR
Short Circuit Current Limit
Maximum Output Current
Power Supply Rejection Ratio
mA
mA
150
f = 1kHz, I
OUT
= 1mA to 150mA
f = 10kHz, I
OUT
= 150mA
55
35
dB
L
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