Datasheet

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Configurations

Table 2. Switching Frequency Selection

Jumper set to Resistor (RF) Connections(Ω) Switching Frequency(kHz)

Top(1-2 pin shorted) 0 250

(3-4 pin shorted) 187k 300

(5-6 pin shorted) 619k 400

(7-8 pin shorted) Open 500

(9-10 pin shorted) 866k 600

(11-12 pin shorted) 309k 750

(13-14 pin shorted) 124k 850

Bottom(15-16 pin shorted) 0 970

5.2 Soft Start Selection

The soft start time can be set by J4.

Default setting: 1.4ms

Table 3. Soft Start Time Selection

Jumper set to R

MODE

Connections(Ω) Soft Start Time(ms)

Top(1-2 pin shorted) 39.2k 0.7

(3-4 pin shorted) 100k 1.4

(5-6 pin shorted) 200k 2.8

Bottom(7-8 pin shorted) 475k 5.6

5.3 Mode Selection

The MODE can be set by J5.

Default setting: Auto Skip

Table 4. MODE Selection

Jumper set to MODE Selection

Top(1-2 pin shorted) Auto Skip

Bottom(3-4 pin shorted) Forced CCM

5.4 Enable Selection

The controller can be enabled and disabled by J6.

Default setting: Jumper shorts on J6 to disable the controller

Table 5. Enable Selection

Jumper set to Enable Selection

Jumper shorts on J6 Disable the controller

No Jumper shorts on J6 Enable the controller

SLVU728–May 2012 High Efficiency 14A Synchronous Buck Converter with Eco-Mode™

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