SC4539ULTRT Semtech, SC4539ULTRT Datasheet - Page 4

• Manufacturer Part Number: SC4539ULTRT
• Description: TVS
• Manufacturer: Semtech

Specifications of SC4539ULTRT

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Electrical Characteristics (continued)
Notes:
(1) Guaranteed by design.
Boost Converter Characteristics (continued)
Switch Leakage Current
Switch Saturation Voltage
COMP Sourcing Current
COMP Sinking Current
OUT Over-Voltage Protection
OUT Internal Pull-Down Current
OUT Bias Current
OUT Leakage Current
PWM Dimming Frequency Range
PWM Dimming Duty Cycle Range
BL Current Setting Range
BL Current Setting Accuracy
BL Leakage Current
BL Current Line Regulation
BL Voltage
ISET Bias Voltage
ISET-to-I
Start-Up Time
Parameter
Current Sink Characteristics
BL
Gain
(1)
(1)
Symbol
ΔI
t
I
BL
V
V
A
start-up
I
V
I
COMP
I
I
D
V
L(LX)
f
L(BL)
OVP
OUT
I
/ΔV
OVP
ISET
SAT
EN
BL
ISET
EN
BL
IN
V
During OVP condition
V
EN
V
V
COMP
COMP
= 0V, V
Applied to EN pin
EN
200Hz on EN pin
V
V
EN
Conditions
IN
= V
= 0.9V, T
= 0.9V, T
V
= 0V, V
= 3.0 to 5.5V
I
T
LX
LX
A
IN
= 25°C
OUT
= 0.3A
, V
= 5.5V
OUT
= V
BL
A
A
= 20V
= 2V
= 25ºC
= 25ºC
IN
= 5.5V
Min
100
-3.5
22
0
1
±0.05
Typ
0.01
0.01
0.01
0.35
250
230
0.5
1.3
40
5
6
1
Max
450
100
50k
3.5
0.1
SC4539
25
60
30
1
1
Units
mA/V
A/A
mV
mA
mA
μA
μA
μA
μA
μA
Hz
μs
%
%
V
V
V
4