IW1691-09 datasheet(3/24 Pages) DIALOG

Part #	IW1691-09

Description	Digital PWM Current-Mode Controller for Quasi-Resonant Operation

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Manufacturer	DIALOG [Dialog Semiconductor]

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iW1691

Digital PWM Current-Mode Controller for Quasi-Resonant Operation

Rev. 2.0

iW1691

Page 3

FebRuaRy 3, 2012

V

CC = 12 V, -40°C ≤ TA ≤ 85°C, unless otherwise specified (Note 1)

Parameter

Symbol Test Conditions

Min

Typ

Max

Unit

V

IN SECTION (Pin 3)

Start-up low voltage threshold

V

INSTLOW

T

A= 25°C, positive edge

335

369

406

mV

Start-up current

I

INST

V

IN = 10 V, CVCC = 10 µF

10

15

µA

Shutdown low voltage threshold

V

UVDC

T

A= 25°C, negative edge

201

221

243

mV

Input impedance

Z

IN

After start-up

25

kW

V

SENSE SECTION (Pin 2)

Input leakage current

I

BVS

V

SENSE = 2 V

1

μA

Nominal voltage threshold

V

SENSE(NOM)

T

A=25°C, negative edge

1.523

1.538

1.553

V

Output OVP threshold

- 00, -01, -03 , -11 (Note 2)

V

SENSE(MAX)

T

A=25°C, negative edge

1.754

1.846

1.938

V

OUTPUT OVP threshold -09 (Note 2)

V

SENSE(MAX)

T

A=25°C, negative edge

1.797

1.892

1.987

V

Output OVP threshold -04, -08

(Note 2)

V

SENSE(MAX)

T

A=25°C, negative edge,

Load = 100%

1.836

1.933

2.030

V

Output OVP threshold -10 (Note 2)

V

SENSE(MAX)

T

A=25°C, negative edge,

Load = 100%

1.871

1.969

2.067

V

OUTPUT SECTION (Pin 7)

Output low level ON-resistance

R

DS(ON)LO

I

SINK = 5 mA

40

W

Output high level ON-resistance

R

DS(ON)HP

I

SOURCE = 5 mA

175

W

Rise time (Note 2)

t

R

T

A = 25°C, CL = 330 pF

10% to 90%

200

300

ns

Fall time (Note 2)

t

F

T

A = 25°C, CL = 330 pF

90% to 10%

40

60

ns

Maximum switching frequency

-00, -01, -03, -04, -08, -09,-10, -11

(Note 3)

f

SW(MAX)

Any combination of

line and load

130

140

kHz

6.0 Electrical Characteristics

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