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LM1501A Datenblatt(PDF) 3 Page - HTC Korea TAEJIN Technology Co.

Teilenummer LM1501A
Bauteilbeschribung  5.0A, 150kHz, Step-down Switching Regulator
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Hersteller  HTC [HTC Korea TAEJIN Technology Co.]
Direct Link  http://www.htckorea.co.kr
Logo HTC - HTC Korea TAEJIN Technology Co.

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5.0A, 150kHz, Step-down Switching Regulator
LM1501A
Mar. 2011 – Ver. 1.3
3
HTC
Electrical Characteristics
Unless otherwise specified, TJ=25℃ VIN= 12V for the 3.3V, 5V, and Adjustable version and VIN = 24V for the 12V
version. ILOAD = 500mA.
Characteristic
Symbol
Test Condition
Min
Typ
Max
Unit
LM1501A -ADJ
VoUT = 3V, ILOAD = 5A
73
LM1501A-3.3
VIN = 12V, ILOAD = 5A
73
LM1501A-5
VIN = 12V, ILOAD = 5A
80
Efficiency
η
LM1501A-12
VIN = 25V, ILOAD = 5A
90
%
LM1501A-3.3
4.75V ≤ VIN ≤ 40V
0.2A ≤ ILOAD ≤ 5A
3.20
3.3
3.40
LM1501A-5
7V ≤ VIN ≤ 40V
0.2A ≤ ILOAD ≤ 5A
4.85
5.0
5.15
Output Voltage
VOUT
LM1501A-12
15V ≤ VIN ≤ 40V
0.2A ≤ ILOAD ≤ 5A
11.64
12.0
12.36
V
Feedback Voltage
VFB
LM1501A-ADJ
4.5V ≤ VIN ≤ 40V
0.2A ≤ ILOAD ≤ 5A
VOUT programmed for 3V
1.180
1.215
1.250
V
Oscillator Frequency
fO
127
150
173
kHz
Feedback
Bias
Current
ID
LM1501A-ADJ; VFB=1.215V
15
50
Saturation Voltage
VSAT
IOUT = 5A (Note 2,3)
1.4
V
(Note 3)
100
Max Duty Cycle (ON)
Max Duty Cycle (OFF)
DC
(Note 4)
0
%
Current Limit
ICL
Peak Current (Note 2,3)
6.5
A
Output = 0V
50
μA
Output
Leakage Current
IL
Output = -1V, VIN=40V
2
30
mA
Quiescent Current
IQ
(Note 4)
4.5
10
mA
Standby
Quiescent Current
ISTBY
ON/OFF pin = 5V(OFF), VIN = 40V
80
200
μA
1.3
VIH
Low(Regulator ON)
0.6
ON/OFF Pin
Logic Input
Threshold voltage
VIL
High (Regulator OFF)
2.0
V
IH
VLOGIC = 2.5V (regulator OFF)
5
15
ON/OFF Pin
Logic Input current
IL
VLOGIC = 0.5V (regulator ON)
5
uA
Note 2. No elements connected to output pin
Note 3. Feedback pin removed from output and connected to 0V to force the output transistor switch ON.
Note 4. Feedback pin removed from output and connected to 12V for the 3.3V, 5V, and the A version, and 15V for the 12V version. To force the
output transistor switch OFF


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