STCF05 STMicroelectronics, STCF05 Datasheet - Page 11

• Manufacturer Part Number: STCF05
• Description: HIGH POWER WHITE LED DRIVER WITH I2C INTERFACE
• Manufacturer: STMicroelectronics

Specifications of STCF05

• Flash Mode: up to 400 mA
• Torch Mode: up to 120 mA

STCF05
6
Table 6.
ATN_V
Symbol
V
OT
RESET
V
V
V
PW_ON
OVP
OTP
V
ΔI
REF5
REF4
OUT
I
I
HYST
f
ν
ν
O
Q
IN
s
O
OL
Input operating 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
Output current variation Flash mode
Quiescent current in
standby mode
Quiescent current in
Ready-mode
Frequency
Efficiency of the chip
itself
Efficiency of the whole
application
Output over voltage
protection
Over temperature
protection
Over temperature
hysteresis
NTC hot voltage
threshold
NTC warning voltage
threshold
Low level ATN output
logic signal
TORCH
Electrical characteristics
T
at 25 °C, unless otherwise specified.
Electrical characteristics
A
= 25 °C, V
(2)
Parameter
AUXLED
(3)
IN
= 3.6 V, 2 x C
FLASH
(1)
V
Flash mode for V
V
Torch mode V
NTC_ON=0
NTC_ON=1
Aux LED=ON, Aux LED disconnected
V
V
V
V
V
V
V
Ready mode, I
Ready mode, I
I
Ready mode, V
OL
OUT
O
IN
IN
IN
IN
IN
IN
IN
=2xV
=10mA
=2.7V
=3.2 to 4.2V, flash mode, I
=3.2 to 4.2V, flash mode, I
= 5.5V, No Load
=5.5V
=5.5V
rising
=10V;
IN
FLED_max
Doc ID 15257 Rev 4
= 10 µF, C
Test conditions
IN
NTC
NTC
=2.5V to 5.5V
IN
IN
+V
=3.3V to 5.5V
=2mA max
=2mA max
=2.5V to 5.5V;
LED
OUT
=10V
= 1 µF, L = 1 µH, R
O
O
=400mA,
=400mA
V
Min.
-10
2.5
75
15
BAT
0
Electrical characteristics
X
= 15 kΩ. Typ. values are
Typ.
11.6
0.56
140
2.3
0.6
0.6
1.8
1.2
85
79
20
Max.
10.2
400
120
5.5
5.5
0.2
20
10
1
1
Unit
MHz
mA
mA
µA
µA
°C
°C
11/33
%
%
%
V
V
V
V
V
V
V