Si87xxSOIC8-KIT Silicon Labs, Si87xxSOIC8-KIT Datasheet - Page 13

• Manufacturer Part Number: Si87xxSOIC8-KIT
• Description: Interface Development Tools SOIC8 Evaluation Kit
• Manufacturer: Silicon Labs
• Type: Isolatorsr

Specifications of Si87xxSOIC8-KIT

• Rohs: yes
• Product: Evaluation Kits
• Tool Is For Evaluation Of: SI87xxSOIC8

3. Technical Description
3.1. Device Behavior
Truth tables for the Si87xx are summarized in Table 10.
3.2. Device Startup
Output V
t
normal operation, and shutdown behavior is shown in Figure 6.
START
V
I
I
UVLO
F(ON)
V
DD
F
t
O
START
. Following this, the output is high when the current flowing from anode to cathode is > I
O
is held low during power-up until V
I
HYS
Notes:
1. This truth table assumes V
2. Si8712 only.
3. The output voltage level is determined by the external pull-up supply.
Figure 6. Si87xx Operating Behavior (I
Input
OFF
OFF
OFF
OFF
ON
ON
ON
ON
t
PLH
Table 10. Si87xx Truth Table Summary
t
PHL
> UVLO
> UVLO
< UVLO
< UVLO
> UVLO
> UVLO
< UVLO
< UVLO
V
DD
DD
DD
is powered. UVLO is typically 2.8 V.
Preliminary Rev. 0.5
t
UVLO
rises above the UVLO+ threshold for a minimum time period of
t
UVLO
F
> I
EN
H
H
H
H
L
L
L
L
F(MIN)
2
when V
1
F
> V
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
LOW
t
V
PLH
F(MIN)
O
3
F(ON)
)
. Device startup,
Si87xx
external pull-up
determined by
Voltage level
supply
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