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SC628AEVB bảng dữ liệu(PDF) 4 Page - Semtech Corporation

tên linh kiện SC628AEVB
Giải thích chi tiết về linh kiện  LED Flash Driver Charge Pump with 1000mA Flash Mode, 275mA Spotlight Mode, and I2C Interface
PDF  21 Pages
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nhà sản xuất  SEMTECH [Semtech Corporation]
Trang chủ  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC628AEVB bảng dữ liệu(HTML) 4 Page - Semtech Corporation

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SC628A
4
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Fault Protection (continued)
Undervoltage Lockout
V
UVLO
Increasing V
IN
2.7
V
V
UVLO-HYS
Hysteresis
800
mV
Charge Pump Electrical Specifications
Maximum Total Output
Current
I
OUT(MAX)
V
IN
> 3.5V, V
OUT(MAX)
= 4.0V
1000
mA
Flash Current Settling Time
t
FL_SET
maximum time for current to settle
1
ms
Flash Current Setting
I
FL
Nominal setting for FL
25
1000
mA
Flash Current Accuracy
I
FL_ACC
V
IN
= 3.7V, I
FL
= 450mA, T
A
= 25°C
-13
± 5
13
%
1x Mode to 1.5x Mode
Falling Transition Voltage
V
TRANS1x
I
OUT
= 150mA, V
OUT
= 3.3V
3.37
V
1.5x Mode to 2x Mode
Falling Transition Voltage
V
TRANS1.5x
I
OUT
= 150mA, V
OUT
= 4.5V(2)
3.3
V
Current Sink Off-State
Leakage Current
I
BLn
V
IN
= V
FL
= 4.2V
0.1
1
μA
Pump Frequency
f
PUMP
V
IN
= 3.2V
250
kHz
Digital I/O Electrical Specifications (FLEN, EN)
Input High Threshold
V
IH
V
IN
= 5.5V
1.4
V
Input Low Threshold
V
IL
V
IN
= 3.0V
0.4
V
Input High Current
I
IH
V
IN
= 5.5V
-1
+1
μA
Input Low Current
I
IL
V
IN
= 5.5V
-1
+1
μA
I2C Interface
Interface complies with slave mode I2C interface as described by Philips I2C specification version 2.1 dated January, 2000.
Digital Input Voltage
V
B-IL
0.4
V
V
B-IH
1.4
V
SDA Output Low Level
I
DIN
(SDA) ≤ 3mA
0.4
V
Digital Input Current
I
B-IN
-0.2
0.2
μA
Hysteresis of
Schmitt Trigger Inputs
V
HYS
0.1
V
Maximum Glitch Pulse
Rejection
t
SP
50
ns
I/O Pin Capacitance
C
IN
10
pF
Electrical Characteristics (continued)



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