STCF01 STMicroelectronics, STCF01 Datasheet - Page 7
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STCF01
Manufacturer Part Number
STCF01
Description
Step-up Converter For Cell Phone Camera Flash Leds
Manufacturer
STMicroelectronics
Datasheet
1.STCF01.pdf
(16 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
STCF01PMR
Manufacturer:
ST
Quantity:
20 000
STCF01
5
Table 4.
Note: 1 Typical value, not production tested
General section
Current control
Switch section
Control input section
Thermal shutdown
I
V
I
V
Symbol
I
SW(LEAK)
I
FB(LEAK)
V
R
V
LED
V
I
LED
H(SHDN)
D
L(SHDN)
V
PKMax
D
R
H(SEL)
V
ON
L(SEL)
V
T
T
f
UVLO
SW
OVP
MAX
V
I
MIN
HC
ON
SD
HS
Q
LC
/I
/I
I
FB
HC
LC
Electrical characteristics
(T
V
OVP
J
Max Operation Supply Voltage
Under Voltage lockout threshold
Quiescent Current
Switching Frequency
Over Voltage Threshold
Maximum Inductor Current
HC Pin Voltage
LC Pin Voltage
High Level Current Multiplier
Low Level Current Multiplier
Resistance ON Feedback
Current Feedback Leakage
Internal Switch ON-Resistance
Internal Switch Leakage Current V
Maximum Duty Cycle
Minimum Duty Cycle
SEL and SHDN Input High
Threshold
SEL and SHDN Input Low
Threshold
Thermal Shutdown
Thermal Shutdown Hysteresis
DC Electrical characteristics
= -40°C to 85°C, V
= 8V, Typ. values @ 25°C, unless otherwise specified)
Parameter
I
= 3.6V, C
I
V
Min. duty cycle
V
Shutdown Mode
V
No Load
V
V
V
V
V
I
V
I
I
I
Pulse Skipping
V
V
V
V
V
V
= 2.2µF, C
FB
SW
FB
FB
SEL
SEL
SEL
SHDN
SEL
SEL
SEL
SEL
SHDN
SHDN
I
I
I
I
I
I
= 2.6V
= 3.6V
= 5.5V
= 2.6V
= 3.6V
= 5.5V
= 100mA
= 0mA
= 200mA; V
= 1A
= 0V, V
= 0V
= 0V, V
= 3V, V
= 0V, V
= 3V, V
= 0V, V
= 0V
= 3V, V
= 3V, V
Test Conditions
Note: 1
O
SHDN
SHDN
SHDN
SHDN
SHDN
SHDN
= 4.7µF, L = 10µH, R
FB
SW
SEL
= V
= 16.5V
= 0V,
= 0V
= 0V
= 0V
= 0V (25°C)
= 0V (25°C)
= 0V
I
V
V
1900
2200
Min.
I
I
2.3
1.2
-0.65
-0.65
1.2
1.4
1.6
17
LC
= 12kΩ , R
Electrical characteristics
V
V
2100
2400
Typ.
2.45
145
2.3
0.1
1.5
1.2
1.2
0.1
0.3
0.1
I
I
15
18
90
-0.6
-0.6
0
HC
V
V
Max.
2300
2600
I
I
= 4kΩ ,
5.5
2.6
0.5
1.8
-0.55
-0.55
0.4
0.5
0.6
19
3
1
1
MHz
Unit
A/A
A/A
mA
µA
µA
µA
°C
°C
%
%
V
V
V
A
V
V
Ω
Ω
V
V
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