LM2575T-15 National Semiconductor, LM2575T-15 Datasheet - Page 2

• Manufacturer Part Number: LM2575T-15
• Description: Voltage Regulator IC
• Manufacturer: National Semiconductor

Specifications of LM2575T-15

• No. Of Pins: 5
• Output Current: 1A
• Peak Reflow Compatible (260 C): No
• Output Voltage: 15V
• Termination Type: Through Hole
• Supply Voltage Max: 40V
• Leaded Process Compatible: No
• Mounting Type: Through Hole
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

LM2575
1-A SIMPLE STEP-DOWN SWITCHING VOLTAGE REGULATOR
SLVS569E – JANUARY 2005 – REVISED JANUARY 2006
Absolute Maximum Ratings
over operating free-air temperature range (unless otherwise noted)
(1) Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings
Package Thermal Data
(1) Maximum power dissipation is a function of T
Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
2
V
T
T
V
T
J
stg
J
IN
IN
Unregulated
R1 = Open, R2 = 0
only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating
conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
temperature is P
DC Input
Supply voltage
ON/OFF pin input voltage
Output voltage to GND (steady state)
Maximum junction temperature
Storage temperature range
Supply voltage
Operating virtual junction temperature
FEEDBACK
PACKAGE
PDIP (N)
+
D
V
C
= (T
IN
IN
6
7
J
(max) – T
R2
R1
Band-Gap
Reference
(1)
1.23-V
A
)/
Fixed-Gain
Error Amp
(1)
+
_
JA
. Operating at the absolute maximum T
Oscillator
FUNCTIONAL BLOCK DIAGRAM
52-kHz
J
(max),
Regulator
Comparator
Internal
+
_
JA
High K, JESD 51-7
, and T
Reset
BOARD
A
. The maximum allowable power dissipation at any allowable ambient
Shutdown
Thermal
ON/OFF
Driver
J
of 150 C can affect reliability.
Current
Limit
Switch
1-A
51 C/W
ON/OFF
9
OUTPUT
3
GND
5, 12, 13
JC
D1
L1
–0.3
4.75
MIN
MIN
–65
–40
+
C
OUT
MAX
67 C/W
MAX
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150
150
125
V
42
–1
40
IN
JA
V
UNIT
UNIT
L
O
A
D
OUT
V
V
V
V
C
C
C