st1cc40 STMicroelectronics, st1cc40 Datasheet - Page 5

• Manufacturer Part Number: st1cc40
• Description: 3 A, 850 Khz Monolithic Synchronous Step Down Constant Current Led Driver
• Manufacturer: STMicroelectronics

ST1CC40
4
Electrical characteristics
T
Table 4.
1. Specification referred to T
2. Guaranteed by design.
Oscillator
DC characteristics
Enable
Soft start
Protection
J
R
R
=25 °C, V
Symbol
I
T
DSON
assured by design, characterization and statistical correlation.
DSON
QST-BY
V
F
V
T
I
I
SHDN
V
I
INH
LIM
I
FB
SW
D
INH
SS
FB
Q
IN
-P
-N
CC
Operating input voltage
range
Feedback voltage
V
High side switch on
resistance
Low side switch on
resistance
Maximum limiting current
Switching frequency
Quiescent current
Total stand-by quiescent
current
INH threshold voltage
INH current
Soft start duration
Thermal shutdown
Hysteresis
Electrical characteristics
Duty Cycle
FB
=12 V, unless otherwise specified.
pin bias current
Parameter
J
from -40 to +125°C. Specification in the -40 to +125°C temperature range are
Doc ID 18279 Rev 1
(1)
(1)
I
I
(2)
(2)
V
V
Device ON level
Device OFF level
SW
SW
INH
INH
=750mA
=750mA
Test condition
>1.2V
<0.4V
Min
0.7
1.2
3.5
4.0
90
0
Electrical characteristics
Values
0.850
Typ
150
1.5
97
50
95
69
15
2
2
1
Max
104
100
6.0
2.5
0.4
18
15
1
MHz
Unit
mΩ
mΩ
mV
mA
ms
nA
μA
μA
°C
%
V
A
V
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