U6808B-MFP Atmel, U6808B-MFP Datasheet - Page 7

• Manufacturer Part Number: U6808B-MFP
• Description: IC FAILSAFE W/RELAY DRVR 8-SOIC
• Manufacturer: Atmel

Specifications of U6808B-MFP

• Applications: Automotive
• Current - Supply: 15mA
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Electrical Characteristics (Continued)
V
4707A–AUTO–05/03
Parameters
Reset delay time
Digital Output ENABLE with Open Collector
Saturation voltage low
Zener clamping voltage
Current limitation
Leakage current
Reset debounce time
Reset delay time
Relay Driver Output RELAY
Saturation voltage
Maximum load current
Zener clamping voltage
Turn-off enegy
Leakage current
Reset and V
Lower reset level
Upper reset level
Hysteresis
Reset debounce time
Reset delay
RC Oscillator WDC
Oscillator frequency
Watchdog Timing
Power-on-reset
prolongation time
Detection time for
RC oscillator fault
Time interval for over-/undervoltage
detection
Reaction time of RESET output
over/undervoltage
Nominal frequency for WDI
Nominal frequency for WDC
Minimum pulse duration for a securely
WDI input pulse detection
Frequency range for a
correct WDI signal
S
= 5 V, T
amb
S
Control
= -40 to +125°C, reference pin is GND, f
Test Conditions
Switch back to high
I £ 8 mA
V
V
V
Switch to low
Switch back to high
I £ 250 mA
I £ 130 mA
T
T
V
V
R
C
V
f
f
RC
WDI
amb
amb
EN
EN
EN
R
R
RC
OSC
OSC
= 16 V
= 26 V
= 100 ´ f
= const.
= 5 V
= 16 V
= 26 V
= 1/100 ´ f
= -40 to +90°C
> 90°C
= 39 kW,
= 3.3 nF
WDI
WDC
intern
= 100 kHz + 50% - 45%, f
Symbol
t
t
t
RCerror
t
V
I
I
V
V
f
D,OUV
R,OUV
f
t
I
f
P,WDI
f
V
I
I
EN16
EN26
t
WDC
WDC
POR
t
I
t
V
V
EN5
R16
R26
WDI
WDI
deb
ZEN
Rsat
Rsat
I
I
del
lim
del
R
R
ZR
S
S
WDC
0.187
34 .3
Min.
0.01
5.35
81.9
0.16
64.7
120
250
200
120
182
4.5
26
26
30
25
20
10
8
9
1
= 10 kHz ±10%, f
Typ.
320
320
50
85
50
10
103.1
112.5
Max.
0.64
0.72
100
200
500
200
100
500
246
130
U6808B
0.5
0.5
0.3
4.7
5.6
30
20
30
20
80
11
13
WDI
= 100 Hz
Unit
kHz
kHz
mA
mA
mA
mV
ms
µA
µA
µA
ms
mJ
µA
µA
ms
ms
ms
ms
ms
Hz
Hz
µs
µs
µs
V
V
V
V
V
V
V
7