L6387E STMicroelectronics, L6387E Datasheet - Page 8

• Manufacturer Part Number: L6387E
• Description: IC DRIVER HI/LO SIDE HV 8-DIP
• Manufacturer: STMicroelectronics
• Type: High Side/Low Sider

Specifications of L6387E

• Configuration: High and Low Side, Independent
• Input Type: Non-Inverting
• Delay Time: 110ns
• Current - Peak: 400mA
• Number Of Configurations: 1
• Number Of Outputs: 2
• High Side Voltage - Max (bootstrap): 600V
• Voltage - Supply: 17V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: 8-DIP (0.300", 7.62mm)
• Product: Half-Bridge Drivers
• Rise Time: 50 ns
• Fall Time: 30 ns
• Maximum Power Dissipation: 750 mW
• Maximum Operating Temperature: + 125 C
• Mounting Style: Through Hole
• Maximum Turn-off Delay Time: 105 ns
• Maximum Turn-on Delay Time: 110 ns
• Minimum Operating Temperature: - 45 C
• Number Of Drivers: 2
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6217-5

Bootstrap driver
8/15
For example: using a power MOS with a total gate charge of 30nC the drop on the bootstrap
DMOS is about 1V, if the T
V
is too high, or the circuit topology doesn’t allow a sufficient charging time, an external diode
can be used.
Figure 3.
drop
has to be taken into account when the voltage drop on C
V
V
Bootstrap driver
S
S
D
charge
BOOT
V
is 5µs. In fact:
drop
a
b
HVG
HVG
LVG
LVG
=
30nC
-------------- -
5µs
⋅
125Ω 0.8V
∼
V
V
V
V
BOOT
OUT
BOOT
OUT
H.V.
H.V.
BOOT
is calculated: if this drop
D99IN1056
C
C
TO LOAD
TO LOAD
BOOT
BOOT
L6387E