EVAL6730 STMicroelectronics, EVAL6730 Datasheet - Page 19

• Manufacturer Part Number: EVAL6730
• Description: EVAL BOARD FOR L6730XX
• Manufacturer: STMicroelectronics
• Type: Motor / Motion Controllers & Driversr

Specifications of EVAL6730

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Power - Output: 66W
• Voltage - Output: 3.3V
• Current - Output: 20A
• Voltage - Input: 4.5 ~ 14V
• Regulator Topology: Buck
• Frequency - Switching: 400kHz
• Board Type: Fully Populated
• Utilized Ic / Part: L6730
• Input Voltage: 8 V to 52 V
• Product: Power Management Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: L6208
• Other names: 497-5501

L6730 - L6730B
protection on page
V
(L6730). With the L6730B there is the possibility to set the HICCUP mode or the constant
current mode after the soft-start acting on the multifunction pin CC/O/U. With the L6730 the
low-side MOSFET(s) management after soft-start phase depends on the S/O/U pin state
(see related section). If the sink mode is enabled the converter can sink current after soft-
start (see
(see
Figure 11. Sink mode enabled: Inductor current during and after soft-start (L6730)
During normal operation, if any under voltage is detected on one of the two supplies (V
V
rapidly discharged. Two different turn-on UVLO thresholds can be set: 4.2 V for 5 V BUS
and 8.6 V for 12 V BUS.
SS
IN
), the SS pin is internally shorted to GND by an internal switch so the SS capacitor is
reaches 3.5 V. After that the over current-protection triggers the HICCUP mode
Figure
Figure
12).
11) while, if the sink mode is disabled the converter never sinks current
21) but not enter into HICCUP mode. The soft-start phase ends when
Doc ID 11938 Rev 3
Device description
V
V
V
I
OUT
L
SS
CC
19/52
CC
,