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LM1501AR-3.3-5L 데이터시트(PDF) 1 Page - HTC Korea TAEJIN Technology Co.

부품명 LM1501AR-3.3-5L
상세설명  5.0A, 150kHz, Step-down Switching Regulator
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5.0A, 150kHz, Step-down Switching Regulator
LM1501A
Mar. 2011 – Ver. 1.3
1
HTC
Absolute Maximum Ratings (TA = 25oC) (Note 1)
Characteristic
Symbol
Value
Unit
Maximum Input Supply Voltage
VI
45
V
ON/OFF Pin Input Voltage
VIN
-0.3
≤ V ≤ +25
V
Feedback Pin Voltage
VFB
-0.3
≤ V ≤ +25
V
Output Voltage to Ground
VO
-1
V
Power Dissipation
PD
Internally limited
W
Storage Temperature Range
Tstg
-65 to +150
oC
Operating Temperature Range
TJ
-40
≤ TJ ≤ +125
oC
ESD Susceptibility (Human Body Model)
VESD
2
kV
Operating Supply Voltage
VIN
4.5 to 45
V
Note 1. Absolute Maximum Rating indicate limits beyond which damage to device may occur. 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.
TO-263 PKG
TO-220 PKG
Ordering Information
Device(Marking)
PKG
LM1501AR-X.X
TO-263 5L
LM1501AT-X.X
TO-220 5L
FEATURES
3.3V, 5V, 12V, and adjustable output versions
Adjustable version output voltage range, 1.23V to 37V
± 3% max over line and load conditions
Guaranteed 5A output load current
Input voltage range up to 40V
Requires only 4 external components
150kHz ±15% fixed frequency internal oscillator
Excellent line and Load regulation specifications
Low power standby mode, IQ typically 80uA
Thermal shutdown and current limit protection
APPLICATION
Simple high-efficiency step-down regulator
On-card switching regulators
Positive to negative converter
DESCRIPTION
X.X = Output Voltage = 3.3, 5.0, 12, ADJ
The LM1501A series of regulators are monolithic integrated circuits that provide all the active functions for a
step-down switching regulator, capable of driving a 5A load with excellent line and load regulation. These
devices are available in fixed output voltages of 3.3V, 5V, 12V and an adjustable output version. Requiring a
minimum number of external components, these regulators are simple to use. The LM1501A series operates at
a switching frequency of 150kHz. Available in standard 5-lead TO-263 and TO-220 package.
Other features include a guaranteed ± 3% tolerance on output voltage under specified input voltage and
output load conditions, and ± 15% on the oscillator frequency. External shutdown is included, featuring typically
80uA standby current. Self protection features include a current limit for output switch and an over temperature
shutdown for complete protection under fault conditions. The over temperature shutdown level is about 145℃
with 5℃ hysteresis.


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