TLED2043

4-CHANNEL WHITE LED DRIVER

SLDS147C – JUNE 2002 – REVISED NOVEMBER 2002

4

POST OFFICE BOX 655303

recommended operating conditions

MIN

MAX

UNIT

VIN1

2.7

5.5

VIN2

Switch input voltage

0

5.5

V

VIN3

0

5.5

VSW

Input voltage for SW pin

0

5.5

V

IOUT1

3

IOUT2

Switch output current

3

mA

IOUT3

3

VDS

FET output drain-source voltage

5.5

V

ID

FET output drain current

50

mA

TA

Operating free-air temperature

–40

85

°C

supply voltage switch section

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VOUT1

VIN1 = 3.6 V, IOUT = 3 mA

VIN–0.1

VOUT2

Switch output voltage

VIN1 = 3.6 V, IOUT = 3 mA

VIN–0.1

V

VOUT3

VIN1 = 3.6 V, IOUT = 3 mA

VIN–0.1

VSW

High input voltage range for SW OFF

VIN1 = 2.7 V to 5.5 V (see Note 4)

VDD × 0.7

V

VSW

Low input voltage range for SW ON

VIN1 = 2.7 V to 5.5 V (see Note 4)

VDD × 0.3

V

IL

Low input current for SW

VIN1 = 3.6 V, VSW = 0 V

20

100

µA

IDD

Input current (see Figure 1)

ON state (VSW = 0 V)

1

mA

IDD

Input current (see Figure 1)

OFF state (VSW = OPEN)

1

µA

NOTE 4: VDD = VOUT1

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VIO

Input offset voltage

VIN1 = 2.7 V to 5.5 V,

VIC

× VIN or 100 mV

TA = 25°C

0.3

4

mV

VIO

Input offset voltage

VIC = 0.5 × VIN or 100 mV

(see Figure 2)

TA = Full range

5

mV

IIO

Input offset current

8

pA

IIB

Input bias current

45

pA

VICR Common-mode input voltage VIN1 = 2.7 V to 5.5 V (see Figure 3)

0

VDD–1.5

V

AVD

Open-loop voltage gain

70

dB

B1

Unity-gain bandwidth

630

kHz

VOH

Output voltage (FB)

RL ≥ 100 kΩ (see Figure 4)

VDD–1.5

V

VOL

Output voltage (FB)

RL ≥ 100 kΩ (see Figure 5)

0.1

V

constant-current circuit section, AMP + FET

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

ID(OFF) Drain off-state current

VIN1 = 3.6 V, SW: OFF (VSW = VDD or OPEN), VDS = 5.5 V

25

250

nA

ron

Drain-source ON resistance

VIN1 = 2.7 V, IN+ = 0.1 V, ID = 20 mA (see Figure 6)

6

Ω

VS

Source voltage

VIN1 = 2.7 V to 5.5 V, FB = 200 mV, VD = 0.5 V, RL = 10 Ω

(see Figure 7)

194

199

204

mV