參數(shù)資料
型號(hào)： SPX3819S-3.0
英文描述： 500mA, Low-Noise LDO Voltage Regulator
中文描述： 500mA的，低噪聲LDO穩(wěn)壓器
文件頁(yè)數(shù)： 2/12頁(yè)
文件大小： 137K
代理商： SPX3819S-3.0
2
Date:6/8/2004
SPX3819 500mA, Low Noise LDO Voltage Regulator
Copyright 2004 Sipex Corporation
Power Dissipation ......................................................Internally Limited
Lead Temp. (Soldering, 5 Seconds) ........................................... 260
°
C
Operating Junction Temperature Range ................... -40
C to +125
°
C
Input Supply Voltage ........................................................-20V to +20V
Enable Input Voltage ........................................................-20V to +20V
PARAMETER
MIN
TYP
MAX
UNITS
CONDITIONS
Output Voltage Tolerance
-1
-2
+1
+2
%
Output Voltage Temperature Coef.
57
ppm/
°
C
Line Regulation
0.04
0.1
%/V
V
IN
=V
OUT
+ 1V to 16V
Load Regulation
0.05
0.4
%
I
L
= 0.1mA to 500mA
Dropout Voltage
(V
IN
-V
O
)(Note 2)
10
60
80
mV
I
L
= 100
μ
A
125
175
250
mV
I
L
= 50mA
180
350
450
mV
I
L
= 150mA
340
550
700
mV
IL = 500mA
Quiescent Current (I
GND
)
0.05
3
8
μ
A
V
ENABLE
≤
0.4V
V
ENABLE
≤
0.25V
Ground Pin Current (I
GND
)
90
150
190
μ
A
I
L
= 100
μ
A
250
650
900
μ
A
I
L
= 50mA
1.0
2.0
2.5
mA
I
L
= 150mA
6.5
25.0
30.0
mA
I
L
= 500mA
Ripple Rejection (PSRR)
70
dB
Current Limit (I
LIMIT
)
800
mA
V
OUT
= 0V
950
Output Noise (e
NO
)
300
μ
V
RMS
I
L
=10mA, C
L
=1.0
μ
F, C
IN
=1
μ
F,
(10Hz-100kHz)
40
μ
V
RMS
I
L
=10mA, C
=10
μ
F, C
=1
μ
F,
C
IN
=1
μ
F, (10Hz-100kHz)
Input Voltage Level Logic Low (V
IL
)
0.4
V
OFF
Input Voltage Level Logic High (V
IH
)
2
V
ON
ENABLE Input Current
0.01
3
2
μ
A
V
IL
≤
0.4V
V
IH
≥
2.0V
20
Thermal Resistance (Note 1)
220
°
C/W
SOT-23-5 / Junction to Ambient
180
°
C/W
SO-8 / Junction to Ambient
ELECTRICAL CHARACTERISTICS
T
J
=25
°
C, V
OUT
+ 1V, for 1.2V Option V
IN
=V
OUT
+ 1.2V I
L
=100
μ
A, C
L
=1
μ
F, and V
ENABLE
≥
2.4V. The
denotes the
specifications which apply over full operating temperature range -40
°
C to +85
°
C, unless otherwise specified.
ABSOLUTE MAXIMUM RATINGS
NOTES
Note 1:
The maximum allowable power dissipation is a function of maximum operating junction temperature, T
J(max)
the junction to ambient thermal
resistance, and the ambient
θ
JA
, and the ambient temperature T
A
. The maximum allowable power dissipation at any ambient temperature is
given: P
D(max)
= (T
J(max)
-T
A
)/
θ
JA
, exceeding the maximum allowable power limit will result in excessive die temperature; thus, the regulator will
go into thermal shutdown. The
θ
JA
of the SPX3819 is 220
°
C/W mounted on a PC board.
Note 2:
Not applicable to output voltage 2V or less.
Input Voltage ................................................................... +2.5V to+16V
Operating Junction Temperature Range ................... -40
C to +125
°
C
Enable Input Voltage .............................................................. 0V to V
IN
RECOMMENDED OPERATIONG CONDITIONS
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