DAC2812D
EFFICIENCY CONTOURS
50
INPUT VOLTAGE, V
IN
(V)
INPUT VOLTAGE, V
IN
(V)
40%
50%
TYPICAL PERFORMANCE
GRAPHS
EFFICIENCY CONTOURS
50
40%
50%
EFFICIENCY CONTOURS
50
INPUT VOLTAGE, V
IN
(V)
40%
TEMP = 125°C
TEMP = 25°C
55%
60%
40
40
55%
TEMP =
–55°C
59%
62%
40
50%
55%
58%
30
30
30
60%
62%
63%
63%
65%
20
66%
20
65%
67%
20
10
1
2
3
4
5
OUTPUT POWER, P
OUT
(W)
10
1
2
3
4
5
OUTPUT POWER, P
OUT
(W)
10
1
2
3
4
5
OUTPUT CURRENT, P
OUT
(W)
LOW LINE DROP OUT
OUTPUT RESPONSE, X (UNITS/DIV)
+ LOAD TRANSIENT RESPONSE
OUTPUT RESPONSE, X (UNITS/DIV)
– LOAD TRANSIENT RESPONSE
1V
1V
16
OUTPUT DC CURRENT RATING
+V
OUT
1V
+V
OUT
+LOAD = 90mA
INPUT VOLTAGE, V
IN
(V)
15
14
13
12
11
10
0
–V
OUT
–LOAD = 90mA
–V
OUT
360mA
360mA
2A
+LOAD
90mA
NO OUTPUT BUS CAPCITANCE
TIME, t (100µsec/DIV)
100mA
–LOAD
90mA
NO OUTPUT BUS CAPACITANCE
TIME, t (100µsec/DIV)
1
2
3
4
5
6
OUTPUT CURRENT, P
OUT
(W)
TURN ON THRESHOLD
28
TURN ON VOLTAGE, E
TO
(V)
OUTPUT RESPONSE, X (UNITS/DIV)
20V
500mV 500mV
LINE TRANSIENT RESPONSE
OUTPUT LOAD = 225mA
RESPONSE, X (UNITS/DIV)
10 V
2V
TURN ON RESPONSE
+V
OUT
+12V
OUTPUT LOAD = 225mA
+V
OUT
24
–V
OUT
20
V
IN
40V
16V
+V
OUT
V
IN
28V
0V
–12V
16
12
10K
20K 30K 40K 60K 90K
SET POINT RESISTOR, R
SP
(Ω)
0
AUDIO REJECTION, A
V
(dB)
NO OUTPUT CAPACITANCE
INCLUDES 50µF ON
EACH OUTPUT
TIME, t (100µsec/DIV)
TIME, t (10msec/DIV)
AUDIO REJECTION
V
IN
= 28V
I
OUT
= 225 mA
–20
–40
–60
–80
–100
1K
10K
FREQUENCY, f (Hz)
100K
4
Rev. B 12/03
MSK [ M.S. KENNEDY CORPORATION ]
