SC5010 データシートの表示（PDF） - Semtech Corporation

部品番号

コンポーネント説明

メーカー

SC5010

High Efficiency 8-Channel LED Driver with I2C Interface and Phase-Shifted PWM Dimming

Semtech Corporation 

SC5010

Electrical Characteristics (continued)

Parameter

Current Sink (IO1 to IO8)

IOx Dimming Minimum Pulse Width

ISET pin voltage

Regulation Voltage

Current Sink Disable Threshold

Current Sink Rise/Fall Time (1)

LED Current Accuracy

LED Current Matching (2)

I Off Leakage Current

On

IO Switching Frequency

Phase Delay Time between IO Pins

(IO1 to IO8)

PWM Output Resolution

Symbol

T

PWM(MIN)

V

ISET

V

IOn(REG)

V

IOn(DIS)

t

RISE/FALL

I

On(ACC%)

I

On(MATCH)

I

On(LEAK)

F

PWM(IO)

t

PD

Fault Protection

LED Short Circuit Protection Threshold

LED Open Circuit Protection Threshold

LED Short Circuit Fault Delay

FLT Pin Leakage Current

FLT Output Low

Over-Temperature Protection

Thermal Shutdown Temperature

Thermal Shutdown Hysteresis

V

IOn(SCP)

V

IO_OCP

t

SCP(DELAY)

I

FLT(LEAK)

V

FLT(LOW)

Conditions

F

= 100Hz - 30kHz

PWM(LED)

Voltage of Regulating String

Checked at Power-up

Rising

edge

from

10%

to

90%

of

I

O(n)

PWMI = 100%, T = +25°C

A

PWMI = 100%, T = +25 °C

A

PWMI = 100%, T = -40 °C to +85 °C

A

PWMI = 0V, EN = 0V, V ~ V = 25V

IO1

IO8

FAST_FREQ = 0

FAST_FREQ = 1 (Default Setting)

FAST_FREQ = 1 (default setting)

t = (1/8)*(1/F ), 8 Strings On

PD

PWM(IO)

F = 10kHz

PWM(IO)

F = 20kHz

PWM(IO)

R and R (3)

4

5

V set to 1.5V, FLT goes low

OVP

V = 0V, V = 5.0V

EN

FLT

-5mA from FLT to V

CC

Min Typ Max Units

300

ns

1.23

V

0.6

V

0.6

V

25

ns

19.7 20 20.3 mA

±1

%

±2

%

0.1

1

μA

10

kHz

20

6.25

μs

10

bits

9

17xV 20xV 23xV

V

SCP

SCP

SCP

0.2

V

1

μs

-1

1

μA

0.3

V

150

°C

10

°C

5

Share Link: