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STCF04 数据表(PDF) 12 Page - STMicroelectronics

部件名 STCF04
功能描述  High power white LED SuperCap™ driver with I²C interface
PDF  43 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STCF04 数据表(HTML) 12 Page - STMicroelectronics

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Electrical characteristics
STCF04
12/43
Doc ID 022927 Rev 3
6
Electrical characteristics
TA = 25 °C, VIN = 3.6 V connected to VBAT and PVBAT, CIN = 10 µF, CSUP = 1.6F/5 V L = 1 µH,
RX = 15 kΩ, VFLED = 4.2 V/10 A. Unless otherwise specified, typical values are at 25 °C.
Table 6.
Electrical characteristics
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VIN
Operating input supply
voltage
2.5
5.5
V
VPW_ON
RESET
Power-ON reset
threshold
VIN rising
2.3
V
IO
Output current
adjustment range
ITORCH
Torch mode VIN=2.7 V to 5.5 V
15
320
mA
Auxiliary LED output
current adjustment
range IAUXLED
Idle mode, VI or VO=3.3 V to 5.5 V
0
100
VISENS
Current sensing input
VIN=2.7 V to 5.5 V, ILED = 12 A
RFL = 10 mΩ
108
120
132
mV
IPEAK
Switch peak current limit
VIN=2.7 V to 5.5 V, IDC0=0
1.45
A
VIN=2.7 V to 5.5 V, IDC0=1
1.80
VOUT
Regulated voltage
range optimized for
Flash mode
VIN=2.7 V to 5.5 V
4.5
5.5
V
Regulated voltage
range optimized for
Torch mode
VIN=2.7 V to 5.5 V
VFLED+
0.25
V
VOUT tolerance
Percentage with respect to
programmed voltage
-5
+5
%
IMID
Active balancing output
VIN=2.7 V to 5.5 V
-400
400
mA
ΔIO
Output current variation
Torch mode ILED = 300 mA
-10
10
%
IQ
Quiescent current in
Shutdown mode
VIN=2.7 to 5.5 V, NTC_ON=0
1
µA
Quiescent current in
Shutdown mode
VIN=2.7 to 5.5 V, NTC_ON=1
2
Quiescent current in
Monitoring mode
NTC_ON=0, SuperCap monitoring=1
45
Quiescent current in Idle
mode
NTC_ON, CHRG=0
1
mA
fs
Switching frequency
VIN=2.7 V
1.8
MHz



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