EVAL6730 STMicroelectronics, EVAL6730 Datasheet - Page 15
![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
L6730 - L6730B
5.2
5.3
Internal LDO
An internal LDO supplies the internal circuitry of the device. The input of this stage is the
V
Figure 5.
Bypassing the LDO to avoid the voltage drop with low Vcc
The LDO can be by passed by providing 5 V voltage directly to V
V
at least 1 μF capacitor to sustain the internal LDO during the recharge of the bootstrap
capacitor. V
CC/O/U pin (L6730B) and PGOOD pin (see
If Vcc
The maximum LDO output current is about 100 mA, and so the output voltage drop can be
100 mV. The LDO can be bypassed to avoid this.
CC
CCDR
4.5V÷14V
pin and the output (5 V) is the V
≈
pins must be shorted together as shown in
5 V the internal LDO works in dropout with an output resistance of about 1 Ω.
CCDR
LDO block diagram
also represents a voltage reference for Tmask pin, S/O/U pin (L6730) or
LDO
Doc ID 11938 Rev 3
CCDR
pin (see
Table 4: Pin
Figure 6.
Figure
connection).
5).
V
CCDR
CCDR
pin must be filtered with
. In this case Vcc and
Device description
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