Page No. : 2/2
Pin Connections
SD
VIN
Current
Source
Bias
+
+
220mV
R
1.235V
Reference
2.5V
Regulator
Start
Up
200mV
+
COMP
-
Current
Limit
FB
R2
+
AMP
-
+
COMP
-
-
COMP
+
150KHz
OSC.
-
COMP
+
3A
Switch
Driver
Thermal
Limit
R1=2.5K
Output
GND
Absolute Maxium Rating
(Note1)
Parameter
Supply Voltage
On/Off Pin Input Voltage
Feedback Pin Voltage
Output Voltage to Ground
Power Dissipation
Operating Temperature
Storage Temperature
Operating Junction Temperature Range
Operating Voltage
Symbol
V
CC
V
SD
V
FB
V
OUT
P
D
T
opr
T
stg
T
J
V
OP
Value
40
-0.3~+25
-0.3~+25
-1
Internally Limited
0~+70
-65~+150
-40~+125
+4.5~+40
Unit
V
V
V
V
W
o
o
o
C
C
C
V
Electrical Characteristics (Continued)
Specifications with
boldface type
apply over for full operating temperature range, the other type are for T
J
=25 C
o
(Note 2)
Part No.
Parameter
Output Voltage
Efficiency
Symbol
V
OUT
η
V
OUT
η
V
OUT
η
V
FB
η
Conditions
4.75V≤V
IN
≤40V,
0.2A≤I
LOAD
≤3A
V
IN
=12V, I
LOAD
=3A
7V≤V
IN
≤40V,
0.2A≤I
LOAD
≤3A
V
IN
=12V, I
LOAD
=3A
15V≤V
IN
≤40V,
0.2A≤I
LOAD
≤3A
V
IN
=25V, I
LOAD
=3A
8V≤V
IN
≤40V,
0.2A≤I
LOAD
≤3A
V
OUT
programmed for 5V
V
IN
=12V, V
OUT
=5V, I
LOAD
=3A
Min.
3.168
3.135
-
4.800
4.750
-
11.52
11.40
-
1.193
-
Typ.
Max.
(Note3) (Note4)
3.3
73
5.0
80
12.0
90
1.230
77
3.342
3.465
-
5.200
5.250
-
12.48
12.60
-
1.267
1.280
-
Unit
V
%
V
%
V
%
V
%
RS2596-3.3
RS2596-5.0
Output Voltage
Efficiency
RS2596-12
Output Voltage
Efficiency
RS2596-ADJ
Reference Voltage
Efficiency
DS-RS2596-04 Oct, 2007
www.Orister.com
ORISTER [ ORISTER CORPORATION ]
