LP2952IM National Semiconductor, LP2952IM Datasheet - Page 5

• Manufacturer Part Number: LP2952IM
• Description: IC ADJ LDO REG 1.23V TO 29V 250mA 16-SOIC
• Manufacturer: National Semiconductor

Specifications of LP2952IM

• Primary Input Voltage: 30V
• Output Voltage Adjustable Range: 1.23V To 29V
• Dropout Voltage Vdo: 470mV
• No. Of Pins: 16
• Output Current: 250mA
• Operating Temperature Range: -40°C To +125°C
• Dc: 05+
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

I
I
DROPOUT DETECTION COMPARATOR
I
V
V
(MAX)
V
(MIN)
HYST
SHUTDOWN INPUT (Note 15)
V
HYST
I
AUXILIARY COMPARATOR (LP2953 Only)
V
HYST
I
I
V
Symbol
B
O
OH
B
B
OH
OL
THR
THR
OS
OS
OL
All Voltage Options
Electrical Characteristics
(FB)
(SINK) Output “OFF” Pulldown
Limits in standard typeface are for T
anteed by production testing or correlation techniques using standard Statistical Quality Control (SQC) methods. Unless other-
wise specified: V
Tap pin, Output pin is tied to Output Sense pin.
Feedback Pin Bias
Current
Current
Output “HIGH” Leakage V
Output “LOW” Voltage
Upper Threshold
Voltage
Lower Threshold
Voltage
Hysteresis
Input Offset
Voltage
Hysteresis
Input Bias
Current
Input Offset Voltage
Hysteresis
Input Bias Current
Output “HIGH” Leakage V
Output “LOW” Voltage
Parameter
IN
= V
O
(NOM) + 1V, I
(Note 9)
V
I
(Note 14)
(Note 14)
(Note 14)
(Referred to V
V
(Referred to V
V
V
V
I
(Continued)
O
O
OH
IN
IN
IN
OH
IN
IN
(COMP) = 400 µA
(COMP) = 400 µA
J
(S/D) = 0V to 5V
(COMP) = 0V to 5V
(COMP) = 1.3V
(COMP) = 1.1V
= 25˚C, bold typeface applies over the full operating temperature range. Limits are guar-
= V
L
= 30V
= 30V
= 1 mA, C
O
(NOM) − 0.5V
(Continued)
Conditions
REF
REF
L
)
)
= 2.2 µF for 5V parts and 4.7µF for 3.3V parts. Feedback pin is tied to V
LP2953AM
LP2953AM
LP2953AM
LP2953AM
LP2953AM
5
Typical LP2952AI, LP2953AI,
0.01
0.01
0.01
150
−60
−85
150
150
±
±
±
20
15
10
10
10
10
6
6
3
3
3
−110
−160
−7.5
−7.5
−7.5
Min
−80
−95
−10
−30
−50
−30
−75
−10
−12
−30
−50
−30
−75
LP2952AI-3.3,
LP2953AI-3.3,
(Notes 16, 17)
30
20
LP2953AM
Max
250
400
−35
−25
−55
−40
250
400
250
420
7.5
7.5
7.5
2.2
40
60
10
30
50
30
75
10
12
30
50
30
75
1
2
1
2
1
LP2952I, LP2953I,
−110
−160
−7.5
−7.5
Min
−80
−95
−10
−30
−50
−10
−30
−50
LP2952I-3.3,
30
20
LP2953I-3.3
Max
250
400
−35
−25
−55
−40
−30
250
400
7.5
7.5
40
60
10
50
10
30
50
1
2
1
2
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Units
mA
mV
mV
mV
mV
mV
mV
mV
mV
mV
nA
µA
nA
nA
µA