參數(shù)資料
型號: LT1020C
廠商: Linear Technology Corporation
英文描述: Quadruple 2-Input Positive-AND Gates 14-SOIC 0 to 70
中文描述: 微調(diào)節(jié)器和比較
文件頁數(shù): 6/16頁
文件大?。?/td> 364K
代理商: LT1020C
6
LT1020
C
HARA TERISTICS
U
A
TYPICAL PERFOR
CE
PI FU
Pins 1, 14:
No internal connection.
Pin 2:
Regulator Output. Main output, requires 10
μ
F
output capacitor. Can be shorted to V
IN
or ground without
damaging the device.
Pin 3:
Input Supply. Bypass with 10
μ
F capacitor. Must
always be more positive than ground.
Pin 4:
Reference. 2.5V can source or sink current. May be
shorted to ground or up to 5V. Voltages in excess of 5V can
damage the device.
Pin 5:
Comparator PNP Output. Pull-up current source for
the comparator. May be connected to any voltage from V
IN
to 36V more negative than V
IN
(operates below ground).
Short-circuit protected. For example, if V
IN
is 6V then pin
5 will operate to –30V.
Pin 6:
Comparator NPN Output. May be connected to any
voltage from ground to 36V more positive than ground
(operates above V
IN
). Short-circuit protected.
Pins 7, 8:
Comparator Inputs. Operates from ground to
V
IN
– 1V. Comparator inputs will withstand 36V even with
V
IN
of 0V.
U
Pin 9:
Ground.
Pin 10:
Current Limit. Connecting this pin to ground
decreases the regulator current limit to 3mA minimum.
Leave open when not used.
Pin 11:
Feedback. This is the feedback point of the regu-
lator. When operating, it is nominally at 2.5V. Optimum
source resistance is 200k to 500k. The feedback pin
should not be driven below ground or more positive than
5V.
Pin 12:
Shutdown. Turns output off.
Pin 13:
Dropout Detector. This pin acts like a current
source from V
IN
which turns on when the output transistor
goes into saturation. The magnitude of the current de-
pends on the magnitude of the output current and the
input/output voltage differential. Pin current ranges from
5
μ
A to about 300
μ
A.
INPUT VOLTAGE (V)
1
O
0
1020 G17
3
5
7
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
0
2
4
6
8
R
L
= 500
R
L
= 50
NO LOAD
V
OUT
= 5V
Regulator Thermal Regulation
TIME (ms)
0
O
C
0.1
140
1020 G16
20
40
80
180
V
IN
= 15V
V
OUT
= 5V
60
0
–0.1
0
50
O
C
100 120
160
LT1020 Turn-On Characteristic
相關(guān)PDF資料
PDF描述
LT1020CJ Quadruple 2-Input Positive-AND Gates 14-SOIC 0 to 70
LT1020CN Quadruple 2-Input Positive-AND Gates 14-SOIC 0 to 70
LT1020CS Quadruple 2-Input Positive-AND Gates 14-PDIP 0 to 70
LT1020IJ Quadruple 2-Input Positive-AND Gates 14-SO 0 to 70
LT1020IN Quadruple 2-Input Positive-AND Gates 14-SO 0 to 70
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