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| LP2967 Datasheet, PDF (5/17 Pages) National Semiconductor (TI) – Dual Micropower 150 mA Low-Dropout Regulator in micro SMD Package | |||
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Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Storage Temperature Range
Lead Temp. ( IR reflow, 10 sec.)
Pad Temp. (IR reflow, 10 sec.)
Operating Junction Temp. Range
Power Dissipation (Note 4)
â65ËC to +150ËC
245ËC
245ËC
â40ËC to +125ËC
Internally Limited
ESD Rating (Note 2)
Input Supply Voltage (Survival)
Input Supply Voltage (Operating)
Shutdown Input Voltage (Survival)
Output Voltage (Survival) (Note 4)
IOUT (Survival)
Input-Output Voltage (Survival),
(Note 5)
1.5kV
â0.3V to +16V
2.1V to +16V
â0.3V to +16V
Short Circuit Protected
â0.3V to + 16V
Electrical Characteristics
Limits in standard typeface are for Tj = 25ËC, and limits in boldface type apply over the full operating junction temperature
range. Unless otherwise specified, VIN = VO(NOM) + 1V, IL = 1mA, CIN = 1µF,COUT = 4.7µF, VON/OFF = 1.6V.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Operating Specifications
VO
âVO/âVIN
âVO/âILOAD
Output Voltage
Tolerance
Line Regulation
Load Regulation
ILOAD = 1mA
1mA < ILOAD < 150 mA
VO(NOM) + 1V < VIN < 16V
VIN = VO(NOM) + 1V (Note 6)
1mA < ILOAD < 150 mA
ILOAD = 1mA
â1.25
â3.0
â5
6
1.25
%
3.0
0.08
%/V
mV/V
10
15
Dropout Voltage
(VIN - VO) Min. (Note 7)
ILOAD = 50mA
100
125
mV
180
ILOAD = 150mA
240
290
425
Operating Currents
Both Regulators ON
IQ
IPEAK
Quiescent Current
Peak Output
Current
ILOAD (1 and 2) = 1mA
ILOAD (1 and 2) = 150mA
One Regulator OFF
ILOAD (1 and 2) = 1mA
ILOAD (1 and 2) = 150mA
Both Regulators OFF
(Shutdown)
VO < VOUT(NOM) â 5%
200
1700
300
5000
µA
180
250
1000
2500
2
200
450
mA
Control Inputs (SD1, SD2)
VIN (H)
Regulator ON
Control Input
1.6
1.4
V
Voltage
VIN (L)
Regulator OFF
VO < VOUT(NOM) â 5%
0.300
0.8
V
Control Input
Voltage
ION/OFF
Control Input
Current
Dynamic Characteristics
V(SD) = 0V
V(SD) = 5V
â2
µA
7
en
Output Noise
CBYPASS = 100nF, 300 to
Voltage
100kHz
30
µV rms
5
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