L6460 STMicroelectronics, L6460 Datasheet - Page 30

• Manufacturer Part Number: L6460
• Description: MOSFET & Power Driver ICs SPI Config Stepper DC Multi Motor DRV
• Manufacturer: STMicroelectronics
• Type: Full-Bridge Driverr

Specifications of L6460

• Product: Half-Bridge Drivers
• Rise Time: 0.4 us
• Fall Time: 0.4 us
• Supply Voltage (max): 38 V
• Supply Voltage (min): 13 V
• Supply Current: 11 mA
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Number Of Drivers: 4
• Output Current: 10 mA
• Output Voltage: 30 V
• Package / Case: TQFP-64
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Internal supplies
4
4.1
30/139
Internal supplies
L6460 includes three internal regulators used to provide a regulated voltage to internal
circuits.
The internal regulators are the following:
- V
- Charge pump regulator.
- V
V
V
regulator is not intended to provide external current so it must not be used to supply external
loads. An external capacitor must always be connected to this pin (preferably towards
V
Figure 3.
The V
resistor R
operative supply range, to dissipate power that otherwise would be dissipated inside the
chip. The choice of the optimal resistor depends on the application since it is strictly
depending on both V
chosen configuration).
R
I
by the circuits connected to this pin.
For example, with V
S_Int
SupplyInt
Supply
EXT
SupplyInt
SupplyInt
3v3
max is depending from the chosen configuration and represents the total current needed
could be chosen by applying this formula: R
SupplyInt
regulator.
pin), recommended value is in the range 80 ÷ 120 nF.
EXT
is the output of an internal regulator used to supply some internal circuits. This
regulator.
V
: this allows R
pin may also be externally connected to V
SupplyInt
regulator
Supply
Supply
L6460
pin
= 32 V and I
and the current used inside the chip (that is changing with the
EXT
Vsupply
, particularly when V
Doc ID 17713 Rev 1
S_Int
= 12 mA a typical resistor value is 1 kΩ.
GND
EXT
VsupplyInt
Supply
= (V
L6460
internal
circuits
Supply
Supply
IS_Int_TYP
is at the max values of the
min - V
pin by means of an external
S_Int
max)/(I
S_Int
max).
L6460