Limits in standard typeface and typical values apply for T

temperature range (-30˚C

≤ T

J

≤ +85˚C) . Unless otherwise specified: V

Group B LEDs not ON simultaneously (ENA = V

Ω;C

C

Symbol

Parameter

Condition

Min

Typ

Max

Units

f

SW

Switching Frequency

3.0V

≤ V

IN

≤ 4.2V

325

500

675

kHz

t

START

Start-up Time

I

100

µs

1.5x/1x

Charge pump gain cross-over:

Gain = 1.5 when V

threshold. Gain = 1 when V

above threshold.

1.5x to 1x Threshold

4.75

V

1x to 1.5x Threshold

4.55

V

Logic Pin Specifications: EN, ENA, ENB

V

IL

Input Logic Low

2.7V

≤ V

IN

≤ 5.5V

0

0.5

V

V

IH

Input Logic High

2.7V

≤ V

IN

≤ 5.5V

1.1

V

IN

V

I

LEAK

Input Leakage Current

V

0.1

µA

V

10

Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the component may occur. Operating Ratings are conditions under which operation of

the device is guaranteed. Operating Ratings do not imply guaranteed performance limits. For guaranteed performance limits and associated test conditions, see the

Electrical Characteristics tables.

Note 2: All voltages are with respect to the potential at the GND pin.

120˚C (typ.). The thermal shutdown function is guaranteed by design.

Note 4: The Human body model is a 100pF capacitor discharged through a 1.5k resistor into each pin. The machine model is a 200pF capacitor discharged directly

into each pin. MIL-STD-883 3015.7

Note 5: In applications where high power dissipation and/or poor package thermal resistance is present, the maximum ambient temperature may have to be

Note 6: Junction-to-ambient thermal resistance is highly dependent on application and board layout. In applications where high maximum power dissipation exists,

special care must be paid to thermal dissipation issues in board design.

Note 7: Min and Max limits are guaranteed by design, test, or statistical analysis. Typical numbers are not guaranteed, but do represent the most likely norm.

to the "MAXIMUM OUTPUT CURRENT, MAXIMUM LED VOLTAGE, MINIMUM INPUT VOLTAGE" section.

Note 10: For the two groups of outputs on a part (Group A and Group B), the following are determined: the maximum output current in the group (MAX), the

minimum output current in the group (MIN), and the average output current of the group (AVG). For each group, two matching numbers are calculated:

(MAX-AVG)/AVG and (AVG-MIN)/AVG. The largest number of the two (worst case) is considered the matching figure for the group. The matching figure for a given

part is considered to be the highest matching figure of the two groups. The typical specification provided is the most likely norm of the matching figure for all parts.

Note 13: There is a 300k

Ω(typ.) pull-down resistor connected internally between each enable pin (EN, ENA, ENB) and GND.

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