LM1501B HTC Korea TAEJIN Technology Co., LM1501B Datasheet - Page 3

• Manufacturer Part Number: LM1501B
• Description: 5.0a, 300khz, Step-down Switching Regulator
• Manufacturer: HTC Korea TAEJIN Technology Co.

5.0A, 300kHz, Step-down Switching Regulator
Electrical Characteristics
Unless otherwise specified, T
version. I
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
2008 – Ver. 1.1
Efficiency
Output Voltage
Feedback Voltage
Oscillator Frequency
Feedback Bias Current
Saturation Voltage
Max Duty Cycle (ON)
Max Duty Cycle (OFF)
Current Limit
Output
Leakage Current
Quiescent Current
Standby Quiescent
Current
ON/OFF Pin Logic Input
Threshold voltage
ON/OFF Pin Logic Input
current
Characteristic
output transistor switch OFF
LOAD
= 500mA.
Symb
V
I
V
V
DC
STBY
V
V
I
ol
OUT
f
I
I
I
I
I
η
SAT
CL
FB
O
D
Q
H
L
L
IH
IL
J
=25℃ V
LM1501B-ADJ; V
I
(Note 3)
(Note 4)
Peak Current, (Note 2, 3)
Output = 0V (Note 2, 4)
Output = -1V, V
(Note 4)
ON/OFF pin = 5V(OFF), V
Low (Regulator ON)
High (Regulator OFF)
V
V
LM1501B -ADJ
LM1501B-ADJ
OUT
LM1501B-3.3
LM1501B-3.3
LM1501B-12
LM1501B-12
LOGIC
LOGIC
LM1501B-5
LM1501B-5
IN
= 5A, (Note 2, 3)
= 12V for the 3.3V, 5V, and Adjustable version and V
= 2.5V (regulator OFF)
= 0.5V (regulator ON)
Test Condition
IN
=40V
FB
V
=1.215V
OUT
V
V
V
V
OUT
3
IN
IN
IN
4.75V≤V
0.2A≤I
0.2A≤I
0.2A≤I
0.2A≤I
4.5V≤V
programmed for 3V
15V≤V
= 12V, I
= 12V, I
= 25V, I
7V≤V
= 3V, I
IN
= 40V
LOAD
LOAD
LOAD
LOAD
IN
IN
IN
LOAD
LOAD
LOAD
IN
≤40V
LOAD
≤40V
≤40V
≤40V
≤5A
≤5A
≤5A
≤5A
= 5A
= 5A
= 5A
= 5A
11.64
1.180
Min
3.20
4.85
255
2.0
1.215
Typ
300
100
3.3
6.5
4.5
1.3
73
73
80
90
12
15
80
5
0
2
5
IN
= 24V for the 12V
LM1501B
12.36
1.250
Max
3.40
5.15
345
200
1.4
0.6
50
50
30
10
15
5
HTC
Unit
kHz
mA
mA
nA
μA
μA
uA
%
%
V
V
A
V