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SC5014AEVB датащи(PDF) 8 Page - Semtech Corporation

номер детали SC5014AEVB
подробное описание детали  High Efficiency 2-Channel HB LED Driver with I2C Interface and Direct PWM Dimming
PDF  27 Pages
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производитель  SEMTECH [Semtech Corporation]
домашняя страница  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC5014AEVB датащи(HTML) 8 Page - Semtech Corporation

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SC5014A
8
VINStartUP
Testing condition: VIN=12V,VCC=5V, LEDs=10S4P@100mA, 1MHz, 25
VIN
V_IO1
IOUT
VOUT
Start-upintoShortcircuitProtection
VIN
/FLT
IOUT
VOUT
Testing condition: VIN=12V,VCC=5V, LEDs=10S4P@100mA, 1MHz, 25 ,
two LEDs short circuit
UnusedString
VIN
/FLT
IOUT
VOUT
Testing condition: VIN=12V,VCC=5V, LEDs=10S4P@100mA, 1MHz,
25 ,IO1&IO2 short to GND
Start-upintoLEDsOpen-circuitProtection
VIN
/FLT
IOUT
VOUT
Testing condition: VIN=12V,VCC=5V, LEDs=10S4P@100mA, 1MHz,
25 ,IO1&IO2 open
Time (5ms/div)
LED Open Circuit Protection
LED Short Circuit Protection
Start Up by Vin
Two LEDs short Circuit in one string
Typical Characteristics (continued)
V
IN
8V/div.
/FLT
5V/div.
V
OUT
10V/div.
I
OUT
200mA/div.
Time (5ms/div)
V
IN
8V/div.
I
OUT
100mA/div.
V
OUT
10V/div.
/FLT
5V/div.
Unused String
Time (5ms/div)
Time (5ms/div)
10S2P, 240mA/CH
Load Transient Response
Load Transient Response
Time (100us/div)
Time (100ms/div)
Starting with one LED string open-circuit
Starting with one unused LED string
V
IN
8V/div.
/FLT
5V/div.
V
OUT
10V/div.
I
OUT
200mA/div.
PWM(10KHz)=0.5% to 99%, VIN=12V, 200mA/CH X 2
LoadTransientResponse
Testing condition: VIN=12V, 25 , LEDs=10S4P@100mA/CH, 1MHz,
PWMI=10KHz, Duty=0.5% to 99%
V_IO1
SDA
IOUT
VOUT
V
IO1
5V/div.
PWMI
6V/div.
V
OUT
5V/div.
I
OUT
200mA/div.
PWM(10KHz)=99% to 0.3%, VIN=12V, 200mA/CH X 2
V
IN
5V/div.
I
OUT
200mA/div.
V
OUT
10V/div.
V
IO1
5V/div.
LoadTransientResponse
Testing condition: VIN=12V, 25 , LEDs=10S4P@100mA/CH, 1MHz,
PWMI=10KHz, Duty=99% to 0.3%
V_IO1
SDA
IOUT
VOUT
PWMI
6V/div.
I
OUT
200mA/div.
V
OUT
1V/div.
V
IO1
5V/div.



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