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LT1120 数据表(PDF) 3 Page - Linear Technology

部件名 LT1120
功能描述  Micropower Regulator with Comparator and Shutdown
Download  12 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LT1120 数据表(HTML) 3 Page - Linear Technology

  LT1120 Datasheet HTML 1Page - Linear Technology LT1120 Datasheet HTML 2Page - Linear Technology LT1120 Datasheet HTML 3Page - Linear Technology LT1120 Datasheet HTML 4Page - Linear Technology LT1120 Datasheet HTML 5Page - Linear Technology LT1120 Datasheet HTML 6Page - Linear Technology LT1120 Datasheet HTML 7Page - Linear Technology LT1120 Datasheet HTML 8Page - Linear Technology LT1120 Datasheet HTML 9Page - Linear Technology Next Button
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3
LT1120
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Reference
Reference Voltage
4.5V
≤ VIN ≤ 36V
q
2.40
2.50
2.55
V
Line Regulation
4.5V
≤ VIN ≤ 36V
q
0.01
0.02
%/V
Load Regulation
– 2mA
≤ IREF ≤ 2mA, VIN = 12V
q
0.4
0.8
%
Output Source Current
VIN = 5V
q
2mA
Output Sink Current
VIN = 5V
q
2mA
Regulator
Supply Current
VIN = 6V, IOUT ≤ 100µA
q
65
95
µA
VIN = 36V, IOUT ≤ 100µA
q
85
100
µA
VIN = 12V, IOUT = 125mA
q
11
20
mA
Output Current
(VIN – VOUT) ≥ 1V, VIN ≥ 6V
q
125
mA
Load Regulation
(VIN – VOUT) ≥ 1V, VIN ≥ 6V
q
1%
Line Regulation
6V
≤ VIN ≤ 36V
q
0.02
%/V
Dropout Voltage
IOUT = 100µA
q
0.06
V
IOUT = 125mA
q
0.85
V
Feedback Sense Voltage
VIN = 12V
q
2.38
2.5
2.57
V
Feedback Bias Current
q
50
nA
Minimum Load Current
VIN = 36V
q
50
µA
Short-Circuit Current
VIN = 36V
q
300
400
mA
Shutdown Pin Current
VIN = 1.4V
25
µA
Feedback Bias Current
15
40
nA
Minimum Load Current
VIN = 36V
15
µA
Short-Circuit Current
VIN = 36V
300
400
mA
Comparator
Offset Voltage
VIN = 36V
37
mV
Bias Current
VIN = 36V (Note 2)
15
40
nA
Gain
∆VOUT = 29V, RL = 20k
2000
10000
V/V
Power Supply Rejection
4.5V
≤ VS ≤ 36V
80
96
dB
Output Sink Current
VIN = 4.5V
10
18
mA
Saturation Voltage
IOUT = 1mA
0.4
0.6
V
Input Voltage Range
0VIN – 1
V
Response Time
5
µs
Leakage Current
2
µA
ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full
operating temperature range, otherwise specifications are at TA = 25°C. Tj = 25°C
ELECTRICAL CHARACTERISTICS
The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.


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