FCBS0550 Fairchild Semiconductor, FCBS0550 Datasheet - Page 11

• Manufacturer Part Number: FCBS0550
• Description: IC SMART POWER MOD SPM27-BA
• Manufacturer: Fairchild Semiconductor
• Series: SPM™r
• Type: FETr

Specifications of FCBS0550

• Configuration: 3 Phase
• Current: 5A
• Voltage: 500V
• Voltage - Isolation: 2500Vrms
• Package / Case: SPM27BA
• Operating Supply Voltage: 15 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FCBS0550 Rev. A
Note:
1. RC coupling at each input (parts shown dotted) might change depending on the PWM control scheme used in the application and the wiring impedance of the application’s
2. The logic input is compatible with standard CMOS or LSTTL outputs.
Note:
1. It would be recommended that the bootstrap diode, D
2. The bootstrap resistor (R
3. The ceramic capacitor placed between V
of high-side.
printed circuit board. The SPM input signal section integrates 3.3kΩ (typ.) pull-down resistor. Therefore, when using an external filtering resistor, please pay attention to the sig-
nal voltage drop at input terminal.
CPU
15V-Line
BS
Fig. 10. Recommended Bootstrap Operation Circuit and Parameters
) should be 3 times greater than R
These Values depend on PWM Control Algorithm
R
BS
CC
Figure 9. Recommended CPU I/O Interface Circuit
-COM should be over 1uF and mounted as close to the pins of the SPM as possible.
1000uF
1nF
22uF
100
D
BS
BS
Ω
, has soft and fast recovery characteristics.
E(H)
4.7k
R
0.1uF
C
. The recommended value of R
1nF
PF
PF
=
Ω
=
5V-Line
1uF
11
One-Leg Diagram of SPM
IN
IN
COM
COM
Vcc
Vcc
R
E(H)
E(H)
OUT
HO
VB
VS
V
is 5.6Ω, but it can be increased up to 20Ω (maximum) for a slower dv/dt
SL
CO M
IN
V
IN
FO
(UH)
(UL)
P
N
,
,
IN
IN
Inverter
Output
(VH)
(VL)
SPM
,
,
IN
IN
(W H)
(W L)
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