CAT4101TV-T75(2010) データシートの表示（PDF） - ON Semiconductor

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CAT4101TV-T75
(Rev.:2010)

1 A Constant-Current LED Driver with PWM Dimming

ON Semiconductor 

CAT4101

Table 1. ABSOLUTE MAXIMUM RATINGS

Parameter

Rating

Units

VIN, RSET, EN/PWM

6

V

LED Voltage

25

V

Storage Temperature Range

−65 to +160

_C

Junction Temperature Range

−40 to +150

_C

Lead Temperature

300

_C

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the

Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect

device reliability.

Table 2. RECOMMENDED OPERATING CONDITIONS

Parameter

VIN

Ambient Temperature Range

LED Pin Current

NOTE: Typical application circuit with external components is shown on page 1.

Rating

3.0 to 5.5

−40 to +85

Up to 1

Units

V

_C

A

Table 3. ELECTRICAL OPERATING CHARACTERISTICS (Min and Max values in bold are over recommended operating

conditions unless specified otherwise. Typical values are at VIN = 5.0 V, TAMB = 25°C)

Symbol

Parameter

Conditions

Min

Typ

Max Units

ILED−ACC

LED Current Accuracy

VDOUT

VRSET

IQ

Dropout Voltage

RSET Pin Voltage

Quiescent Current

VLED = 1 V, RSET = 1.47 kW

VLED = 1 V, RSET = 750 W

VLED = 1 V, RSET = 549 W

ILED = 1 A

No LED, RSET = Floating

No LED, RSET = 549 W

315

350

385

mA

700

1000

500

mV

1.17 1.20 1.23

V

0.8

mA

8.0

IQSHDN

REN/PWM

VHI

VLO

Shutdown Current

EN/PWM Pin

− Pull−down resistance

− Logic High Level

− Logic Low Level

VEN = 0 V

1

mA

200

kW

1.3

V

0.4

V

TSD

THYS

ILED/IRSET

VUVLO

Thermal Shutdown

Thermal Hysteresis

RSET to LED Current gain ratio

Undervoltage lockout (UVLO) Threshold

100 mA LED current

150

_C

20

_C

400

2.0

V

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