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| LP38691-ADJ_10 Datasheet, PDF (3/14 Pages) National Semiconductor (TI) – 500mA Low Dropout CMOS Linear Regulators with Adjustable Output Stable with Ceramic Output Capacitors | |||
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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. (Soldering, 5 seconds)
ESD Rating (Note 3)
Power Dissipation (Note 2)
â65°C to +150°C
260°C
2 kV
Internally Limited
V(max) All pins (with respect to GND)
IOUT
Junction Temperature
-0.3V to 12V
Internally Limited
â40°C to +150°C
Operating Ratings
VIN Supply Voltage
Operating Junction
Temperature Range
2.7V to 10V
â40°C to +125°C
Electrical Characteristics Limits in standard typeface are for TJ = 25°C, and limits in boldface type apply over
the full operating temperature range. Unless otherwise specified: VIN = VOUT + 1V, CIN = COUT = 10 µF, ILOAD = 10mA. Min/Max
limits are guaranteed through testing, statistical correlation, or design.
Symbol
VADJ
ÎVO/ÎVIN
ÎVO/ÎIL
VIN - VO
IQ
IL(MIN)
IFB
PSRR
TSD
TSD (HYST)
IADJ
Parameter
ADJ Pin Voltage
Output Voltage Line Regulation
(Note 6)
Output Voltage Load Regulation
(Note 7)
Dropout Voltage (Note 8)
Quiescent Current
Minimum Load Current
Foldback Current Limit
Ripple Rejection
Thermal Shutdown Activation
(Junction Temp)
Thermal Shutdown Hysteresis
(Junction Temp)
ADJ Input Leakage Current
Conditions
VIN = 2.7V
3.2V ⤠VIN ⤠10V
100 µA < IL < 0.5A
VO + 0.5V ⤠VIN ⤠10V
IL = 25mA
1 mA < IL < 0.5A
VIN = VO + 1V
(VO = 2.5V)
IL = 0.1A
IL = 0.5A
(VO = 3.3V)
IL = 0.1A
IL = 0.5A
(VO = 5V)
IL = 0.1A
IL = 0.5A
VIN ⤠10V, IL = 100 µA - 0.5A
VEN ⤠0.4V,
(LP38693-ADJ Only)
VIN - VO ⤠4V
VIN - VO > 5V
VIN - VO < 4V
VIN = VO + 2V(DC), with 1V(p-p) /
120Hz Ripple
VADJ = 0 - 1.5V
VIN = 10V
Min Typ (Note 4) Max
1.225
1.25
1.275
1.200
1.25
1.300
0.03
0.1
1.8
5
80
145
430
725
65
110
330
550
45
100
250
450
55
100
0.001
1
100
350
850
55
160
10
-100
0.01
100
Units
V
%/V
%/A
mV
µA
mA
dB
°C
nA
3
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