CM2593/P
2A Step Down VOLTAGE REGULATOR
Typical Performance Characteristics
(Test Figure 1 above unless otherwise specified)
T y p ic a l P e rfo rm a n c e C h a ra c te ris tic s
N o rm a lize d O u tp u t V o lta g e
5 .10
Efficiency
1.7
SATURATION VOLTAGE (V)
Switch Saturation Voltage
1 : -40
o
C
2 : 25
o
C
3 : 125
o
C
OUTPUT VOLTAGE CHANGE
V
IN
= 20 V , I
L O A D
= 2 A
o
N orm alized at T
J
= 25 C
5.0 5
95
EFFICIENCY
(%)
2A Load
1.6
1.5
1.4
90
85
80
75
5.0 0
5V
1
1.3
1.2
3
2.0
3
4
5
2
4 .95
3.3V
4.9 0
-5 0
-25
0
25
50
75
100
125
70
8
10
15
20
25
30
35
40
JUNCTION TEMPERATURE(
o
C)
JU N C T IO N T E M P E R A T U R E(
o
C )
SWITCH CURRENT(A)
Switch Current Limit
8.0
Operating Quiescent Current
25.0
SUPPLY CURRENT (mA)
200.0
130.0
CURRENT (uA)
Shutdown Quiescent Current
Output voltage Vo(V)
6.0
V
IN
=10V
20.0
15.0
10.0
5.0
0.0
20V 30V
4.0
Switch
ON
Switch OFF
100.0
1
2
80.0
40.0
0.0
10
20
3
2.0
=5
V
ON/OFF
o
CV
1 : -40
2 : 25
o
C
3 : 125
o
C
30
40
0.0
0
1
2
3
4
5
6
7
Output current Io (A)
-50
-25
0
25
50
75
100
125
SUPPLY VOLOTAGE (V)
JUNCTION TEMPERATURE(
o
C)
Minimum Operating Supply
Voltage
5.0
4.0
3.0
2.0
1.0
0.0
-50 -25
0
25
50
75 100 125
o
ON/OFF Threshold
Voltage
5.0
THRESHOLD VOLTAGE
(V)
O N /O F F P in C u r r e n t
( S in k in g )
4.0
3.0
2.0
1.0
0.0
-50 -25
0
25
50
75 100
o
SUPPLY VOLTAGE (V)
V
IN
= 4 0 V
o
- 4 0
o
C
≤
T
J
≤
1 2 5 C
V
OUT
=1.23V
I
LOAD
=120mA
1 .4
5
10
15
20
22
23
24
25
125
O N /O F F P IN V O L T A G E (V )
JUNCTION TEMPERATURE (
C)
JUNCTION TEMPERATURE (
C)
2007/01/25
Rev. 1.4
Champion Microelectronic Corporation
Page 9
CHAMP [ CHAMPION MICROELECTRONIC CORP. ]
