SLVSBM9E October 2013 – September 2018 LMZ31520
PRODUCTION DATA.
Refer to the PDF data sheet for device specific package drawings
The LMZ31520 switching frequency can be selected from several values as shown in Table 2. To select a switching frequency, a resistor (RFREQ) must be connected between the FREQ_SEL pin and either PGND or V5V (pin 61) as shown in Table 2. For all output voltages, the recommended switching frequency is 500 kHz which can be configured by leaving the FREQ_SEL pin open. Table 2 also shows the output voltage range for each frequency.
Frequency Select (kHz) | RFREQ (kΩ) | Connect To | VOUT RANGE (V) | |
---|---|---|---|---|
MIN | MAX | |||
300 | 66 | PGND | 0.6 | 3.6 |
400 | 498 | PGND | 0.6 | 3.6 |
500 | open | - | 0.6 | 3.6 |
650 | 745 | V5V | 0.8 | 3.6 |
750 | 188 | V5V | 1.0 | 3.6 |
850 | short | V5V | 1.2 | 3.6 |