CM2593 Datasheet, PDF (9/12 Pages) Champion Microelectronic Corp. – 2A Step Down VOLTAGE REGULATOR

CM2593/P
2A Step Down VOLTAGE REGULATOR
Typical Performance Characteristics
(Test Figure 1 above unless otherwise specified)
Typical Perform ance Characteristics
Norm alized Output Voltage
5.10
5.05
V _IN
Nor
=
m
20V,
alize
I
d
LO
a
A
t
D⁼
T_J
2A
=2
5
o_C
5.00
4.95
4.90
-50
-25 0 25 50 75 100 125
JUNCTIO N TEM PERATURE(^oC)
Switch Current Limit
8.0
6.0
VIN =10V 20V 30V
4.0
2.0
0.0
0
1 23 4 5
Output current Io (A)
67
Minimum Operating Supply
Voltage
5.0
4.0
3.0
2.0
1.0
V_{OUT =1.23V}
I_{LOAD =120mA}
0.0
-50 -25 0 25 50 75 100 125
JUNCTION TEMPERATURE ( ^o C)
Efficiency
2A Load
95
90
85
5V
80
3.3V
75
70
8
10 15 20 25 30 35 40
JUNCTION TEMPERATURE(^oC)
Switch Saturation Voltage
1.7
1 : -40 ^oC
2 : 25^o C
1.6
3 : 125^oC
1.5
1.4
1
1.3
2
3
1.2
2.0
3
4
5
SWITCH CURRENT(A)
Operating Quiescent Current
25.0
20.0
15.0
Switch
ON
10.0
Switch OFF
5.0
0.0
-50 -25 0 25 50 75 100 125
JUNCTION TEMPERATURE(^oC)
ON/OFF Threshold
Voltage
5.0
4.0
3.0
2.0
1.0
0.0
-50 -25 0 25 50 75 100 125
JUNCTION TEMPERATURE ( ^o C)
200.0
Shutdown Quiescent Current
130.0
100.0
1
2
80.0
3
40.0
1V:^O-^N4^/O0^FoFC=V5
2 : 25 ^oC
3 : 125 ^oC
0.0
10
20
30
40
SUPPLY VOLOTAGE (V)
O N /O FF P in C urren t
(S inking )
V IN = 4 0 V
-4 0^oC ≤ T _J ^≤ 1 2 5 ^oC
1.4 5 10 15 2 0 2 2 2 3 24 25
O N /O FF P IN V O LT A G E (V )
2007/01/25 Rev. 1.4
Champion Microelectronic Corporation
Page 9