TYPICAL PERFORMANCE CURVES
DHC2805S
EFFICIENCY CONTOURS
50
INPUT VOLTAGE, V
IN
(V)
30%
EFFICIENCY CONTOURS
50
30%
EFFICIENCY CONTOURS
50
INPUT VOLTAGE, V
IN
(V)
30%
40%
INPUT VOLTAGE, V
IN
(V)
40%
TEMP = 25°C
50%
55%
60%
TEMP = –55°C
40%
50%
55%
40
40
40
50%
55%
60%
TEMP =
125°C
30
63%
65%
68%
30
60%
63%
66%
30
66%
20
72%
70%
71%
20
68%
69%
70%
20
68%
69%
70%
11
.12 .24
.48
.78
.96
1.2
OUTPUT CURRENT, I
OUT
(A)
OUTPUT RESPONSE, X
OUT
(1V/DIV)
V
(UNITS/DIV)
11
.12 .24
.48
.78
.96
1.2
OUTPUT CURRENT, I
OUT
(A)
11
.12 .24
.48
.78
.96
1.2
OUTPUT CURRENT, I
OUT
(A)
16
TEMP = 25°C
INPUT VOLTAGE, V
IN
(V)
OUTPUT DC
CURRENT RATING
1V
14
12
1.2A
500mA
1V
V
OUT
V
OUT
(1V/DIV)
OUTPUT RESPONSE, X (UNITS/DIV)
LOW LINE DROP OUT
LOAD TRANSIENT RESPONSE
LOAD TRANSIENT RESPONSE 100µF
V
OUT
1.2A
500mA
I
OUT
600mA
I
OUT
600mA
10
0.0
NO OUTPUT BUS CAPCITANCE
INCLUDES 100µF ON OUTPUT BUS
0.4
0.8
1.2
1.6
OUTPUT CURRENT, I
OUT
(A)
TIME, t (100µsec/DIV)
OUTPUT RESPONSE,
V
OUT
(50mV/DIV)
X (UNITS/DIV)
10V
50mV
OUTPUT RESPONSE,
V
OUT
(100mV/DIV)
X (UNITS/DIV)
TIME, t (200µsec/DIV)
LOAD TRANSIENT RESPONSE 1000µF
OUTPUT RESPONSE,
V
OUT
(1V/DIV)
X (UNITS/DIV)
LINE TRANSIENT RESPONSE
LOAD = 1.2A
V
OUT
LINE TRANSIENT RESPONSE
INCLUDES 100µF ON OUTPUT BUS
1V
V
OUT
100mV
V
OUT
80V
LOAD = 1.2A
40V
1.2A
500mA
I
OUT
600mA
16V
V
IN
INCLUDES 100µF ON OUTPUT BUS
INCLUDES 1000µF ON OUTPUT BUS
TIME, t (500µsec/DIV)
TIME, t (200µsec/DIV)
20V
V
IN
11V
TIME, t (200µsec/DIV)
TURN ON THRESHOLD
28
RESPONSE, X (UNITS/DIV)
V
OUT
(2V/DIV)
10 V
2V
TURN ON VOLTAGE, E
TO
(V)
TURN ON RESPONSE
0
LOAD = 1.2A
5.0V
V
OUT
0V
28V
AUDIO REJECTION, A
V
(dB)
AUDIO REJECTION
V
IN
= 28V
I
OUT
= 1.2A
–20
–40
–60
–80
24
20
16
0V V
IN
INCLUDES 100µF ON OUTPUT BUS
12
10K
20K 30K 40K 60K 90K
SET POINT RESISTOR, R
SP
(Ω)
TIME, t (5msec/DIV)
–100
100 200 400 1K 2K
10K 20K
FREQUENCY, f (Hz)
100K
8
Rev. F 9/05
MSK [ M.S. KENNEDY CORPORATION ]
