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STCF06TBR 데이터시트(PDF) 11 Page - STMicroelectronics

부품명 STCF06TBR
상세설명  1.5 A white LED driver with I²C interface
PDF  33 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STCF06TBR 데이터시트(HTML) 11 Page - STMicroelectronics

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Electrical characteristics
STCF06
11/33
6
Electrical characteristics
Table 6. Electrical characteristics
(TJ = -40 to 85 °C, VBAT = PVBAT = 3.6 V, 2 x CI = 10 µF, CO = 10 µF, L = 1.5 µH, RFL = 0.15 Ω, RTR = 1 Ω,
RX = 15 kΩ, typ. values are at TJ = 25 °C, unless otherwise specified).
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
VI
Input operation supply voltage
2.7
5.5
V
VPW_ON
RESET
Power-ON reset threshold
VI rising
2.3
V
IO
Output current adjustment
range IFLASH
Flash mode for VI = 3.5 V to 5.5 V
117
1500
mA
Flash mode for VI = 3.0 V to 3.3 V
117
1300
Flash mode for VI = 2.7 V to 5.5 V
117
1000
Output current adjustment
range ITORCH
Torch mode VI = 2.7 V to 5.5 V
29
370
Auxiliary LED output current
adjustment range IAUXLED
Ready mode, VI = 2.7 V to 5.5 V
0
20
VO
Regulated voltage range
2.5
5.0
V
FB1
Feedback voltage
Torch mode
30
250
mV
FB2
Feedback voltage
Flash mode
30
250
mV
ΔIO
Output current tolerance
Flash mode, IO = 160 mV/RFL
-10
10
%
RON_
FB1-FB2 ON resistance
Torch mode, IO = 200 mA
90
m
Ω
IQ
Quiescent current in
SHUTDOWN mode
1
µA
Quiescent current in ready -
mode
1.8
mA
fs
Frequency
VI = 2.7 V
1.8
MHz
ν
Efficiency of the chip itself
Note 2
VI = 3.2 to 4.2 V, Flash Mode,
IO = 2200 mA
80
%
Efficiency of the whole
application Note 1
VI = 3.2 to 4.2 V, Flash Mode,
IO = 2200 mA, VO=VfLED_max + VFB2 =
5.02 V
See the typical application schematic
It is included losses of inductor and
sensing resistor
70
OVP
Output over voltage protection VI = 5.5 V, No Load
5.3
V
OVHYST Over voltage hysteresis
VI = 5.5 V, No Load
0.2
V
OTP
Junction over temperature
protection
140
°C
OTHYST Junction over temperature
hysteresis
20
°C
VREF4
NTC hot voltage threshold
Ready mode, INTC = 2mA max
1.2
V



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