3.0A, 15V, Step-Down Switching Regulator
HTC
3
LM2576
OPERATING RATINGS (Operating Ratings indicate conditions for which the device is intended to be
functional, but do not guarantee specific performance limits. For guaranteed specifications and test
conditions, see the Electrical Characteristics.)
ELECTRICAL CHARACTERISTICS / SYSTEM PARAMETERS ([Note 1] Test Circuit Figure 15)
(Unless otherwise specified, Vin = 12 V for the 3.3 V, 5.0 V, and Adjustable version, Vin = 25 V for
the 12 V version, and Vin = 30 V for the 15 V version. ILoad = 500 mA. For typical values TJ = 25°C,
for min/max values TJ is the operating junction temperature range that applies [Note 2], unless
otherwise noted.)
1. External components such as the catch diode, inductor, input and output capacitors can affect
switching regulator system performance.
When the LM2576 is used as shown in the Figure 15 test circuit, system performance will be as
shown in system parameters section .
2. Tested junction temperature range for the LM2576: Tlow = –40°C Thigh = +125°C
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