SPX3819 SIPEX [Sipex Corporation], SPX3819 Datasheet - Page 2

• Manufacturer Part Number: SPX3819
• Description: 500 mA, Low-Noise LDO Voltage Regulator
• Manufacturer: SIPEX [Sipex Corporation]

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