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Pin Assignments
TO‐263‐5
TO‐220‐5
PACKAGE
PIN
1
SYMBOL
VIN
DESCRIPTION
Regulator Input Pin
2
3, 6
4
VOUT
GND
FB
Regulator Output Pin
Ground Pin
Output Voltage Feed Back Control Pin
ON/OFF Shutdown Pin
TO‐263‐5
5
SD
PACKAGE
PIN
1
SYMBOL
VIN
DESCRIPTION
Regulator Input Pin
2
3, 6
4
VOUT
GND
FB
Regulator Output Pin
Ground Pin
Output Voltage Feed Back Control Pin
ON/OFF Shutdown Pin
TO‐220‐5
5
SD
Ordering Information
DEVICE
DEVICE CODE
XX is nominal output voltage (for example, AD=ADJ, 33 = 3.3V, 50 = 5.0V, 12 = 12V).
Y is package designator :
U : TO‐263‐5
RS2596‐XX Y Z
E : TO‐220‐5
Z is Lead Free designator :
P: Commercial Standard, Lead (Pb) Free and Phosphorous (P) Free Package
G: Green (Halogen Free with Commercial Standard)
Block Diagram
SD
VIN
+
+
Current
Source
Bias
1.235V
Reference
2.5V
Regulator
Start
Up
200mV
220mV
R
+
COMP
-
Current
Limit
-
FB
COMP
+
-
+
R2
AMP
-
3A
Switch
COMP
Driver
+
+
Output
GND
R1=2.5K
150KHz
OSC.
Thermal
Limit
COMP
-
DS‐RS2596‐07 September, 2009
www.Orister.com
ORISTER [ ORISTER CORPORATION ]
