AMC2576
ABSOLUTE MAXIMUM RATINGS
Input Voltage, V
IN
ENABLE Pin Input Voltage
Operating Junction Temperature, T
J
Storage Temperature Range
Lead Temperature (soldiering, 10 seconds)
Note 1:
Exceeding these ratings could cause damage to the device.
negative out of the specified terminal.
(Note 1)
45V
-0.3V
≤
V
≤
V
IN
150°C
-65°C to 150°C
260°C
All voltages are with respect to Ground. Currents are positive into,
RECOMMENDED OPERATING RATINGS
Temperature Range
Input Voltage, V
IN
THERMAL DATA
P,PB, DD PACKAGE:
Thermal Resistance-Junction to Tab,
θ
JT
Thermal Resistance-Junction to Ambient,
θ
JA
Junction Temperature Calculation: T
J
= T
A
+ (P
D
×
θ
JA
).
The
θ
JA
numbers are guidelines for the thermal performance of the device/pc-board system.
All of the above assume no ambient airflow.
3.0°C /W
45°C /W
-40°C
≤
T
J
≤
125°C
40V(Max.)
BLOCK DIAGRAM
V
IN
1
52KHz
Oscillator
R2*
Thermal Shutdown
&
Current Limit
Comparator
Regulator
With
Enable
FB
4
5
ENABLE
R1*
Error
Amplifier
1.23V
Reference
Reset
Driver
2
V
OUT
GND
3
V
OUT
= 3.3V
V
OUT
= 5.0V
V
OUT
= Adjustable
: R2/R1 = 1.7
: R2/R1 = 3.1
: R2 = 0
R1 = Open
Copyright
©
2006 ADDtek Corp.
3
DD007_E --
DECEMBER 2006
ADDTEK [ ADDTEK CORP ]
