iW1707

Low-Power Off-Line Digital Green-Mode PWM Controller

iW1707

4.0 Pinout Description

Pin #

Name

Type

Pin Description

1

V

CC

Power Input Power supply for control logic.

2

V

SENSE

Analog Input Auxiliary voltage sense (used for primary regulation).

3

ASU

Output

Control signal for active start-up device (BJT or depletion NFET).

4

I

SENSE

Analog Input Primary current sense. Used for cycle-by-cycle peak current control and limit.

5

GND

Ground

Ground.

6

OUTPUT

Output

Base drive for BJT.

iW1707

ASU

OUTPUT

GND

1

2

3

6

4

5

Absolute maximum ratings are the parameter values or ranges which can cause permanent damage if exceeded. For

maximum safe operating conditions, refer to Electrical Characteristics in Section 6.0.

Parameter

Symbol

Value

Units

DC supply voltage range (pin 1, I

V

CC

-0.3 to 18

V

Continuous DC supply current at V

I

CC

20

mA

ASU output (pin 3)

-0.3 to 18

V

Output (pin 6)

-0.3 to 4.0

V

V

-0.7 to 4.0

V

I

-0.3 to 4.0

V

Maximum junction temperature

T

J MAX

150

°C

Storage temperature

T

STG

–65 to 150

°C

Lead temperature during IR reflow for ≤ 15 seconds

T

LEAD

260

°C

Thermal Resistance Junction-to-Ambient

θ

JA

190

°C/W

ESD rating per JEDEC JESD22-A114

2,000

V

Latch-Up test per JEDEC 78

±100

mA

Figure 4.1: 6 Lead SOT-23 Package

5.0 Absolute Maximum Ratings