EVAL6730 STMicroelectronics, EVAL6730 Datasheet - Page 14

• 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

Device description
5.2
Figure 4.
5.3
Figure 5.
14/50
4.5V
Internal LDO
An internal LDO supplies the internal circuitry of the device. The input of this stage is the V
pin and the output (5V) is the V
Bypassing the LDO to avoid the voltage drop with low Vcc
The LDO can be by-passed, providing directly a 5V voltage to V
V
least 1µF capacitor to sustain the internal LDO during the recharge of the bootstrap capacitor.
V
(L6730D) and PGOOD pin (see
If Vcc
The maximum LDO output current is about 100mA and so the output voltage drop can be
100mV: to avoid this the LDO can be bypassed.
CCDR
CCDR
LDO block diagram.
Bypassing the LDO
14V
pins must be shorted together as shown in
also represents a voltage reference for Tmask pin, S/O/U pin (L6730C) or CC/O/U pin
5V the internal LDO works in dropout with an output resistance of about 1Ω.
LDO
CCDR
Table 3: Pins
pin (see
Figure
connection).
Figure 5.
4.).
V
CCDR
CCDR
pin must be filtered with at
. In this case Vcc and
L6730C - L6730D
CC