EVAL6730 STMicroelectronics, EVAL6730 Datasheet - Page 14
![EVAL BOARD FOR L6730XX](/photos/9/30/93060/eval6730_sml.jpg)
EVAL6730
Manufacturer Part Number
EVAL6730
Description
EVAL BOARD FOR L6730XX
Manufacturer
STMicroelectronics
Type
Motor / Motion Controllers & Driversr
Datasheets
1.L6730TR.pdf
(52 pages)
2.L6730DTR.pdf
(50 pages)
3.EVAL6730.pdf
(9 pages)
4.EVAL6732.pdf
(43 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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