LM3501TLX-16/NOPB National Semiconductor, LM3501TLX-16/NOPB Datasheet - Page 4

• Manufacturer Part Number: LM3501TLX-16/NOPB
• Description: IC LED DRVR WHT BCKLT 8-USMD
• Manufacturer: National Semiconductor
• Type: Backlight, White LEDr

Specifications of LM3501TLX-16/NOPB

• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 850kHz ~ 1.15MHz
• Voltage - Supply: 2.7 V ~ 7 V
• Voltage - Output: 14.6 V ~ 15.5 V
• Mounting Type: Surface Mount
• Package / Case: 8-MicroSMD
• Operating Temperature: -40°C ~ 125°C
• Current - Output / Channel: 400mA
• Internal Switch(s): Yes
• Efficiency: 85%
• For Use With: LM3501TL-16EV - BOARD EVALUATION LM3501TL-16
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM3501TLX-16

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I
I
I
UVP
OVP
I
I
CNTRL
Threshold
SHDN
Threshold
I
V
∆V
I
I
V
SD
CNTRL
L
Vout
VL
Q
CL
B
Electrical Characteristics
FB
IN
Symbol
Symbol
Specifications in standard type face are for T
Range of T
LM3501-21.
Specifications in standard type face are for T
Range (T
LM3501-21.
FB
J
= −40˚C to +125˚C). Unless otherwise specified V
SHDN Pin Current (Note 9)
CNTRL Pin Current (Note 9)
Switch Leakage Current
(LM3501-16)
Switch Leakage Current
(LM3501-21)
Input Undervoltage Lockout
Output Overvoltage Protection
(LM3501-16)
Output Overvoltage Protection
(LM3501-21)
V
(LM3501-16)
V
(LM3501-21)
PMOS Switch Leakage Current
(LM3501-16)
PMOS Switch Leakage Current
(LM3501-21)
SHDN low
SHDN High
Quiescent Current, Device Not
Switching
Quiescent Current, Device
Switching
Shutdown
Feedback Voltage
Feedback Voltage Line
Regulation
Switch Current Limit
(LM3501-16)
Switch Current Limit
(LM3501-21)
FB Pin Bias Current
Input Voltage Range
A
OUT
OUT
= −10˚C to +85˚C. Unless otherwise specified V
Bias Current
Bias Current
Parameter
Parameter
(Continued)
A
J
SHDN = 5.5V
SHDN = 2.7V
SHDN = GND
V
V
V
V
ON Threshold
OFF Threshold
ON Threshold
OFF Threshold
ON Threshold
OFF Threshold
V
V
V
V
LED power off
LED power on
= 25˚C and those in boldface type apply over the full Operating Temperature
FB
FB = 0V
SHDN = 0V
CNTRL = 2.7V, V
CNTRL = 1V, V
V
V
Duty Cycle = 70%
V
Duty Cycle = 63%
FB = 0.5V (Note 8)
= 25˚C and those in boldface type apply over the Operating Temperature
CNTRL
CNTRL
SW
SW
OUT
OUT
OUT
OUT
IN
IN
IN
>
= 2.7V to 7V
= 3.0V,
= 3.0V,
= 15V
= 20V
= 15V, SHDN = 1.5V
= 20V, SHDN = 1.5V
= 15V, V
= 20V, V
0.54V
= 2.7V
= 1V
Conditions
Conditions
SW
SW
IN
IN
IN
4
=2.7V and specifications apply to both LM3501-16 and
IN
= 2.7V and specifications apply to both LM3501-16 and
= 0V
= 0V
= 2.7V to 7V
= 2.7V to 7V
(Note 6)
(Note 6)
0.485
0.14
Min
Min
2.4
2.3
1.1
2.7
15
14
20
19
(Note 7)
(Note 7)
0.515
0.01
0.01
15.5
14.6
20.5
19.5
0.01
0.01
0.65
0.65
0.95
0.19
Typ
260
300
125
Typ
400
670
1.8
0.1
2.5
2.4
0.1
0.1
10
75
45
1
4
2
(Note 6)
(Note 6)
0.545
Max
Max
0.24
400
460
200
2.5
0.5
2.0
2.6
2.5
0.3
1.2
2.5
0.5
7.0
20
15
16
15
21
20
4
3
3
2
Units
Units
%/V
mV
mA
mA
µA
µA
µA
µA
µA
µA
nA
V
V
V
V
V
V