stcf03i STMicroelectronics, stcf03i Datasheet - Page 11

• Manufacturer Part Number: stcf03i
• Description: High Power White Led Driver With I2ctm Interface
• Manufacturer: STMicroelectronics

6
Table 6. Electrical characteristics
(T
Typ. values @25°C, unless otherwise specified).
11/33
NTC
Symbol
V
OV
OT
J
R
RESET
R
PW_ON
= 25°C, V
OVP
OTP
FB1
FB2
ON
ΔI
V
V
I
ON_
I
HYST
f
HYST
ν
O
Q
s
O
LEAK
O
I
T1
Input operation supply voltage
Power ON reset threshold
Output current adjustment
range I
Output current adjustment
range I
Auxiliary LED output current
adjustment range I
Regulated voltage range
Feedback voltage
Feedback voltage
Output current tolerance
FB1-FB2 ON resistance
Quiescent current in
SHUTDOWN mode
Quiescent current in
Ready -mode
Frequency
Efficiency of the chip itself
Efficiency of the whole
application
Output over voltage protection V
Over voltage hysteresis
Over temperature protection
Over temperature hysteresis
RX-NTC switch On resistance Ready mode
RX-NTC switch OFF leakage
Electrical characteristics
I
= 3.6 V, 2xC
FLASH
TORCH
Parameter
I
= 10 µF, C
AUXLED
O
= 1 µF, L = 4.7 µH, R
Torch mode
Flash mode, I
V
FLASH MODE for V
FLASH MODE for V
Torch mode V
Ready mode, V
Flash mode
Torch mode, I
V
V
I
V
I
5.02 V
See the typical application schematic
It is included losses of inductor and
sensing resistor
V
V
V
Shutdown mode, V
V
O
O
I
I
I
I
I
I
I
I
RX
rising
= 2.7 V
= 3.2 to 4.2 V, Flash Mode,
= 800 mA
= 3.2 to 4.2 V, Flash Mode,
= 800 mA, V
= 5.5 V, No Load
= 5.5 V, No Load
= 5.5 V
= 5.5 V
= GND
Test condition
O
O
I
O
= 2.7 V to 5.5 V
I
= 200 mA
= 160 mV/R
=V
= 3.3 V to 5.5 V
fLED_max
NTC
I
I
= 3.3 V to 5.5 V
= 2.7 V to 3.3 V
= 2 V
FL
= 0.27 Ω, R
FL
+ V
FB2
=
TR
Min.
-10
2.7
2.5
5.5
60
60
15
30
30
0
= 1.8 Ω, R
Typ.
140
2.3
1.8
1.8
0.3
90
87
76
20
25
1
X
= 15 KΩ,
Max.
800
600
200
250
250
5.5
5.3
20
10
1
MHz
Unit
mA
mV
mV
mA
mΩ
µA
°C
°C
µA
%
%
V
V
V
V
V
Ω