LV5603T

No.A0611-2/12

Electrical Characteristics at Ta = 25°C, VCC = VBIAS = 3.6V, SCP = 0V

Ratings

Parameter

Symbol

Conditions

min

typ

max

Unit

Error amplifier 1

IN+ pin internal bias voltage

VB

Value added to the error amplifier

offset at the error amplifier + side

voltage

0.504

0.51

0.516

V

Output low voltage

CH1 to CH6

VLow FB

IN1- = 2.0V, IFB = 20

µA

0.2

V

Output High voltage

CH1 to CH6

VHi FB

IN1- = 0V IFB1 = -20

µA

2.0

V

Error amplifier 2

IN4-RE pin offset voltage

VOF

-6

6

mV

Output low voltage

VLow FB4RE

IN4- RE = 2.0V, IFB = 20

µA

0.2

V

Output High voltage

VHi FB4RE

IN4- RE = -10mV, IFB = 500

µA

2.0

V

Protection circuit

Threshold voltage

VSCP

1.1

1.25

1.4

V

SCP pin current

ISCP

4

µA

Short circuit detection signal pin

VSCPOUT

Open collector

ISCPOUT = 100

µA

0.2

V

Software start block (CH1 to CH4)

Soft start current

CH1 to CH6

ISF

CSOFT = 0V

3.2

4

4.8

µA

Soft start resistance

CH1 to CH6

RSF

160

200

240

k

Ω

Fixed duty

Maximum on duty 1

CH1 to CH3

Duty MAX1, 2, 3

Out monitor, IN- = 0V

100

%

Maximum on duty 2

CH4

Duty MAX4

Out monitor, IN- = 0V

75

80

85

%

Maximum on duty 3

CH5 to CH6

Duty MAX5,6

Out monitor, IN- = 0V

80

85

90

%

Output block 1 to 6

OUT pin high side on resistance

ROUT SOUR

IO = 10mA

25

60

Ω

OUT pin high side on resistance

ROUT SINK

IO = 10mA

10

24

Ω

Triangle wave oscillator block

Current setting pin voltage

VT RT

RT = 10k

Ω

0.57

V

Output current

IOH CT

190

µA

Output current ratio

∆IO CT

0.8

1.0

1.2

Oscillation frequency

FOSC1

RT = 10k

Ω, CT1, 2 = 560pF

360

450

520

kHz

Reference voltage block

Reference voltage

VREF

1.227

1.240

1.253

V

Line regulation

VLN REF

VCC = 3V to 15V

10

mV

Control circuit

On state voltage

VON CTL

2.0

V

OFF state voltage

VOFF CTL

0.6

V

Pin input current

IIN CTL

VCTL = 2V

60

µA

Standby circuit

On voltage

VON STBY

2.0

V

Off voltage

VOFF STBY

0.6

V

Pin input current

IIN STBY

VSTBY = 2V

60

µA

All circuits

VCC current consumption

ICC

IN1- to IN6- = 1V

5

6.5

mA

Standby mode current consumption

IOFF

VSTBY = VCTL = 0V

IOFF = ICC + IBIAS

1

µA