LM3501TL-16 National Semiconductor Corporation, LM3501TL-16 Datasheet - Page 4

• Manufacturer Part Number: LM3501TL-16
• Description: Synchronous Step-up DC/DC Converter For White Led Applications
• Manufacturer: National Semiconductor Corporation

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OVP
I
I
CNTRL
Threshold
SHDN
Threshold
I
V
∆V
I
I
V
R
D
F
I
I
I
UVP
OVP
I
I
CNTRL
Threshold
Vout
VL
Q
CL
B
SD
CNTRL
L
Vout
VL
SW
FB
IN
DSON
Limit
Electrical Characteristics
Specifications in standard type face are for T
Range of T
Specifications in standard type face are for T
Range (T
Symbol
Symbol
FB
J
= −40˚C to +125˚C). Unless otherwise specified V
A
Output Overvoltage
Protection
V
PMOS Switch Leakage
Current
SHDN low
SHDN High
Quiescent Current, Device
Not Switching
Quiescent Current, Device
Switching
Shutdown
FeedbackVoltage
FeedbackVoltage Line
Regulation
Switch Current Limit
FB Pin Bias Current
Input Voltage Range
NMOS Switch R
PMOS Switch R
Duty Cycle Limit
Switching Frequency
SHDN Pin Current (Note 8)
CNTRL Pin Current (Note 8)
Switch Leakage Current
Input Undervoltage Lockout
Output Overvoltage
Protection
V
PMOS Switch Leakage
Current
OUT
OUT
= −10˚C to +85˚C. Unless otherwise specified V
Bias Current
Leakage Current
Parameter
Parameter
DSON
DSON
ON Threshold
OFF Threshold
V
V
LED power off
LED power on
FB
FB = 0V
SHDN = 0V
CNTRL = 2.7V, V
7V
CNTRL = 1V, V
7V
V
V
70%
FB = 0.5V (Note 7)
V
V
FB = 0V
SHDN = 5.5V
SHDN = 2.7V
SHDN = GND
V
V
V
ON Threshold
OFF Threshold
ON Threshold
OFF Threshold
V
V
LED power off
LED power on
(Continued)
OUT
OUT
IN
IN
IN
OUT
CNTRL
CNTRL
SW
OUT
OUT
J
A
= 25˚C and those in boldface type apply over the full Operating Temperature
>
= 25˚C and those in boldface type apply over the Operating Temperature
= 2.7V to 7V
= 3.0V, Duty Cycle =
= 2.7V, I
= 15V
= 15V, SHDN = V
= 15V, V
0.54V
= 6V, I
= 15V, SHDN = V
= 15V, V
= 2.7V
= 1V
Conditions
Conditions
SW
SW
SW
SW
IN
= 300mA
= 300mA
IN
= 2.7V to
= 0V
= 0V
IN
IN
4
= 2.7V to
=2.7V.
=2.7V.
IN
IN
(Note 5)
(Note 5)
0.485
0.14
Min
Min
1.1
2.7
0.8
2.4
2.3
15
14
15
14
(Note 6)
(Note 6)
0.515
15.5
14.6
0.01
0.65
0.65
0.95
0.19
0.01
15.5
14.6
0.01
Typ
260
125
Typ
400
260
125
0.1
0.1
1.3
1.0
1.8
0.1
2.5
2.4
75
45
87
10
75
2
1
4
(Note 5)
(Note 5)
0.545
Max
Max
0.24
0.43
400
200
400
0.3
1.2
2.5
0.5
7.0
2.3
1.2
2.5
0.5
2.6
2.5
16
15
20
15
16
15
3
2
4
3
Units
Units
MHz
%/V
mV
mA
mA
mV
µA
µA
µA
nA
µA
µA
µA
µA
µA
%
Ω
V
V
V
V
V
V