ADP1655

Rev. 0 | Page 4 of 24

Parameter1

Conditions

Min

Typ

Max

Unit

SAFETY FEATURES

Thermal Shutdown Threshold

150

°C

140

°C

Overvoltage Threshold

9.0

9.5

10.1

V

Coil Peak Current Limit

Peak current value setting = 0 (00 binary)

1.13

1.25

1.38

A

Peak current value setting = 1 (01 binary)

1.35

1.5

1.65

A

Peak current value setting = 2 (10 binary)

1.58

1.75

1.93

A

Peak current value setting = 3 (11 binary)

1.8

2.0

2.2

A

LED_OUT Short-Circuit Detection

Comparator Reference Voltage

1.2

1.3

V

LED Counting Comparator

Threshold Voltage

LED value setting = 0 (00 binary)

4.3

V

LED value setting = 1 (01 binary)

4.6

V

LED value setting = 2 (10 binary)

4.0

V

LED value setting = 3 (11 binary)

4.9

V

RECOMMENDED SPECIFICATIONS: INPUT AND OUTPUT CAPACITANCE AND INDUCTANCE

Table 2.

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

CAPACITANCE

Input

4.0

μF

Output

4.0

20

μF

MINIMUM AND MAXIMUM INDUCTANCE

L

1.5

2.8

μH