AMC2596
THERMAL DATA
P, PB, DD PACKAGE:
3.0°C /W
45°C /W
Thermal Resistance-Junction to Tab, θJT
Thermal Resistance-Junction to Ambient, θJA
Junction Temperature Calculation: TJ = TA+ (PD × θJA). The θJA numbers are guidelines for the thermal performance of the device/pc-board
system. All of the above assume no ambient airflow.
BLOCK DIAGRAM
VIN
1
Regulator
With
Enable
Thermal Shutdown
150KHz
Oscillator
ENABLE
&
5
2
Current Limit
FB
4
R2*
R1*
Comparator
Driver
Error
Amplifier
VOUT
1.23V
Reference
Reset
GND
3
VOUT = 3.3V
VOUT = 5.0V
:
:
R2/R1 = 1.7
R2/R1 = 3.1
VOUT = Adjustable : R2 = 0, R1 = Open
Copyright © 2006 ADDtek Corp.
3
DD008_A -- JUNE 2006
ADDTEK [ ADDTEK CORP ]
