Datasheet

9
LT1020
sn1020 1020fcs
Regulator with Output Voltage Monitor
Regulator with Improved Transient Response
Driving Logic with Dropout Detector
DROPOUT
LT1020
500k
TO
2M
3M
1020 TA04
V
IN
> 5.2V
10µF
0.001µF
1M
1M
5V
2
11
3
9
V
IN
V
OUT
FB
GND
LT1020
1020 TA08
0.001µF
22k
+
1020 TA03
5
6
100k
20k
V
OUT
0.001µF
+
4
8
7
9
100k
10µF
2
11
FB
5V V
OUT
LOGIC
LOGIC
OUTPUT
LOGIC OUTPUT GOES LOW WHEN
V
OUT
DROPS BY 100mV
V
IN
V
IN
3
1M
500k
–
+
REF
LT1020
GND
2.5V
LOGIC
OUTPUT
5V Regulator
V
IN
> 5.2V
I
Q
= 40µA
10µF
10µF
0.001µF
1M
1M
5V
2
11
3
9
V
IN
V
OUT
FB
GND
+
LT1020
1020 TA07
+
Compensating the Comparator As an Op Amp
7
–
+
5
6
1M
C2
R2 R1
C1
AT A
V
= 100,
SLEW RATE = 0.05V/µs
–6V/µs
A
V
1
10
100
R1
33Ω
100Ω
10k
C1
0.1µF
0.047µF
0.002µF
C2
0.001µF
–
–
R2
–
100k
10k
1020 TA05
8
TYPICAL APPLICATIO S
U