Application STCF06
10/35 Doc ID 14549 Rev 3
5 Application
**: Connect to V
I
, or GND or SDA or SCL to choose one of the 4 different I²C Slave Addresses.
***: Optional components to support auxiliary functions. V
ref_ext
= 1.8 V
Note: All of the above listed components refer to typical application. Operation of the STCF06 is
not limited to the choice of these external components.
Figure 3. Application schematic
C
O
4.7µF
R
TR
R
FL
C
O
4.7µF
R
TR
R
FL
Table 5. List of external components
Component Manufacturer Part number Value Size
C
I
TDK C1608X5R0J106M 2 x 10 µF 0603
C
O
TDK C1608X5R0J475M 4.7 µF 0603
L (max flash 1.5 A) TDK VLF4014A-1R51R8-1 1.5 µH 3.8x3.5x1.4 [mm]
NTC Murata NCP21WF104J03RA 100 kΩ 0805
R
FL
Tyco RL73K1JR15JTD 0.15 Ω 0603
R
TR
Tyco CRG0805F1R0 1 Ω 0805
R
X
Rohm MCR01MZPJ15K 15 kΩ 0402
LED Luxeon LED LXCL-PWF1
D
STMicroelectro
nics
STPS1L20MF
(best performance)
3.8x1.9x0.85 [mm]
BAT20J
(1)
(smaller size) 2.7x1.35x1.13 [mm]
1. Due to the increased voltage drop, the output current performance is decreased.
Obsolete Product(s) - Obsolete Product(s)
STCF06 Electrical characteristics
Doc ID 14549 Rev 3 11/35
6 Electrical characteristics
T
J
= -40 to 85 °C, V
BAT
= PV
BAT
= 3.6 V, 2 x C
I
= 10 µF, C
O
= 4.7 µF, L = 1.5 µH, R
FL
= 0.15
Ω, R
TR
= 1 Ω, R
X
= 15 kΩ, typ. values are at T
J
= 25 °C, unless otherwise specified.
Table 6. Electrical characteristics
Symbol Parameter Test condition Min. Typ. Max. Unit
V
I
Input operation supply voltage 2.7 5.5 V
V
PW_ON
RESET
Power-ON reset threshold V
I
rising 2.3 V
I
O
Output current adjustment
range I
FLASH
Flash mode for V
I
= 3.5 V to 5.5 V 117 1500
mA
Flash mode for V
I
= 3.0 V to 3.3 V 117 1300
Flash mode for V
I
= 2.7 V to 5.5 V 117 1000
Output current adjustment
range I
TORCH
Torch mode V
I
= 2.7 V to 5.5 V 29 370
Auxiliary LED output current
adjustment range I
AUXLED
Ready mode, V
I
= 2.7 V to 5.5 V 0 20
V
O
Regulated voltage range 2.5 5.0 V
FB1 Feedback voltage Torch mode 30 250 mV
FB2 Feedback voltage Flash mode 30 250 mV
ΔI
O
Output current tolerance Flash mode, I
O
= 160 mV/R
FL
-10 10 %
R
ON_
FB1-FB2 ON resistance Torch mode, I
O
= 200 mA 90 mΩ
I
Q
Quiescent current in
SHUTDOWN mode
A
Quiescent current in ready -
mode
1.8 mA
f
s
Frequency V
I
= 2.7 V 1.8 MHz
ν
Efficiency of the chip itself
(1)
V
I
= 3.2 to 4.2 V, Flash Mode,
I
O
= 2200 mA
80
%
Efficiency of the whole
application
(2)
V
I
= 3.2 to 4.2 V, Flash Mode,
I
O
= 2200 mA, V
O
=V
fLED_max
+ V
FB2
=
5.02 V
See the typical application schematic
It is included losses of inductor and
sensing resistor
70
OVP Output over voltage protection V
I
= 5.5 V, No Load 5.3 V
OV
HYST
Over voltage hysteresis V
I
= 5.5 V, No Load 0.2 V
OTP
Junction over temperature
protection
140 °C
OT
HYST
Junction over temperature
hysteresis
20 °C
V
REF5
NTC hot voltage threshold Ready mode, I
NTC
= 2mA max 1.2 V
Obsolete Product(s) - Obsolete Product(s)
Electrical characteristics STCF06
12/35 Doc ID 14549 Rev 3
V
REF4
NTC warning voltage
threshold
Ready mode, I
NTC
= 2mA max 0.56 V
R
ON
T1 RX-NTC switch ON resistance Ready mode 25 Ω
NTC
LEAK
RX-NTC switch OFF leakage
Shutdown mode, V
NTC
= 2 V
V
RX
= GND
A
V
OL
Output logic signal level low
AT N
I
OL
= 10 mA 0.2 V
I
OZ
Output logic leakage current
AT N
V
OZ
= 3.3 V 1 mA
V
IL
Input logic signal level SCL,
SDA, TRIG, TMSK, ADD
V
I
= 2.7 V to 5.5 V
00.4
V
V
IH
1.4 3
T
ON
LED current rise time
I
LED
= 0 to I
LED
= max
2ms
1. Calculated as (V
O
*I
LED
)/(V
IN
*I
IN
)
2. Calculated as (V
LED
*I
LED
)/(V
IN
*I
IN
)
Table 6. Electrical characteristics (continued)
Symbol Parameter Test condition Min. Typ. Max. Unit
Obsolete Product(s) - Obsolete Product(s)

STCF06TBR

Mfr. #:
Manufacturer:
STMicroelectronics
Description:
LED Lighting Drivers 1.5A WHITE LED DRVR
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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