AS2940 Datasheet, PDF (6/8 Pages) Sipex Corporation – 1A Low Dropout Voltage Regulators

AS2940
ELECTRICAL CHARACTERISTICS V_IN = V_O + 5V, I_O =1A, C_O = 22 µF, unless otherwise specified.
30
20
10
0
-10
-20
-30
~~
3V
Quiescent Current
~~
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
~~ _1.0
0.5
Load Transient Response
TVVC_JIOON=^U₌^{T=25=51V0°2VC2 µF}
~~
0V
-10
0
95
85
VCTV_JIOON=U=T=150=1V0m2V2A_µF
75
10
20
30
40
50
60
TIME (µs)
Ripple Rejection
65
55
45
35
1
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
0
-10
0
10.00
5.00
2.00
CTVV_{JIOON=U==T550=1V0m2V2A}µF
1.00
0.50
0.20
0.10
0.05
0.02
0.01
1
10
Maximum Power Dissipation (TO-220)
22
INFINITE HEAT SINK
20
18
16
14
12
10
10 °C/W HEAT SINK
8
6
4
NO HEAT SINK
2
0
0
10 20 30 40 50 60 70 80 90 100
AMBIENT TEMPERATURE ( °C)
Maximum Power Dissipation (TO-3)
22
INFINITE HEAT SINK
20
18
16
14
12
10
10 °C/W HEAT SINK
8
6
4
2
NO HEAT SINK
0
0
10 20 30 40 50 60 70 80 90 100
AMBIENT TEMPERATURE ( °C/W)
10
20
30
40
TIME (µs)
Output Impedance
100
1k
10k
100k
1M
FREQUENCY (Hz)
Maximum Power Dissipation (TO-263) (See Note 3)
4
Θ_JA = 32 °C/W
3
ΘJA = 37 °C/W
2
Θ_JA = 50 °C/W
1
Θ_JA = 73 °C/W
0
0
10 20 30 40 50 60 70 80 90 100
AMBIENT TEMPERATURE ( °C)
Rev. 10/11/00