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LTC2936CUFD#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30
LTC2936
4
2936fa
For more information www.linear.com/LTC2936
elecTrical characTerisTics
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C and V
PWR
= 12V (Note 2).
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
t
DRO
Programmable Output Delay-On-Release
GPIO1_DELAY_ON_RELEASE,
GPIO2_DELAY_ON_RELEASE and
GPIO3_DELAY_ON_RELEASE
000b
001b
010b
011b
100b
101b
110b
111b
l
l
l
l
l
l
l
l
1
4.5
17.9
35.8
143.3
286.6
1146
0.001
1.6
6.4
25.6
51.2
204.8
409.6
1638
0.050
2.1
8.3
33.3
66.6
266.3
532.6
2130
ms
ms
ms
ms
ms
ms
ms
ms
EEPROM Characteristics
Retention Retention (Notes 5, 6)
l
10 Years
Endurance Endurance (Notes 5, 6)
l
10,000 Cycles
t
EEFS
Fault Storage Time (Note 4) Backup Fault Storage Operation 10 ms
t
EEPR
Programming Time I
2
C NAK’s During STORE_USER Operation 100 ms
t
EERU
Restore Time RESTORE_USER Command 1 ms
Digital Inputs SCL, SDA
V
IH
High Level Input Voltage
l
2.0 V
V
IL
Low Level Input Voltage
l
0.8 V
V
HYST
Input Hysteresis (Note 4) 40 mV
I
LEAK
Input Leakage Current SCL, SDA = GND to 5.5V
l
–1 1 µA
Digital Output SDA
V
OL
Digital Output Low Voltage I
SINK
= 3mA
l
0.4 V
Digital Inputs ASEL0, ASEL1
V
IH
Input High Threshold Voltage
l
V
DD33
–
0.4
V
V
IL
Input Low Threshold Voltage
l
0.4 V
I
IH,IL
High, Low Input Current ASELn = 0, V
DD33
l
–20 20 µA
I
FLOAT
High Z Input Current 0.5V< ASELn < V
DD33
– 0.5V
l
–10 10 µA
Serial Bus Timing Characteristics (Note 3)
f
SCL
Serial Clock Frequency
l
10 400 kHz
t
LOW
Serial Clock Low Period
l
1.3 µs
t
HIGH
Serial Clock High Period
l
0.6 µs
t
BUF
Bus Free Time Between Stop and Start
l
1.3 µs
t
HD,STA
Start Condition Hold Time
l
600 ns
t
SU,STA
Start Condition Setup Time
l
600 ns
t
SU,STO
Stop Condition Setup Time
l
600 ns
t
HD,DAT
Data Hold Time LTC2936 Receiving Data
l
0 ns
LTC2936 Transmitting Data
l
300 ns
t
SU,DAT
Data Setup Time
l
100 ns
t
SP
Pulse Width of Spike Suppressed 100 ns
t
TIMEOUT_BUS
Time Allowed to Complete Any PMBus
Command After Which Time SDA Will
Be Released and Command Terminated
32 ms
LTC2936
5
2936fa
For more information www.linear.com/LTC2936
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime. The LTC2936 is tested with T
A
= T
CASE
.
Note 2: All currents into device pins are positive; all currents out of device
pins are negative. All voltages are referenced to GND unless otherwise
specified.
Note 3: Maximum capacitive load, C
B
, for SCL and SDA is 400pF. Data and
clock rise time (t
r
) and fall time (t
f
) are:
(20 + 0.1 • C
B
) (ns) < t
r
< 300ns, and
(20 + 0.1 • C
B
) (ns) < t
f
< 300ns
C
B
= capacitance of one bus line in pF. SCL and SDA external pull-up
voltage, V
IO
, is 3V < V
IO
< 5.5V.
Note 4: Guaranteed by design, not directly tested.
Note 5: EEPROM endurance and retention are guaranteed by design,
characterization and correlation with statistical process controls. The
minimum retention specification applies for devices whose EEPROM has
been cycled less than the minimum endurance specification.
Note 6: EEPROM endurance and retention will be degraded when T
J
> 85°C.
elecTrical characTerisTics
TiMing DiagraMs
2936 TD1
CMPn
Vn
GPIOn
t
DRO
t
RT
t
RT
V
n_THR
Vn Supervisor Timing
I
2
C Timing
2936 TD2
SDA
SCL
t
f
t
r
t
f
t
BUF
t
LOW
t
SU:DAT
t
HD:STA
t
SP
t
f
t
HD:DAT
t
HIGH
t
HD:STA
t
SU:STA
t
SU:STO
S P SS
r
LTC2936
6
2936fa
For more information www.linear.com/LTC2936
Typical perForMance characTerisTics
V1-V6 Comp Response Time
vs Overdrive
GPIO Pins During Power-Up
Normalized GPIO Delay
vs Temperature
GPIO Voltage vs Output Sink
Current
V
DD33
vs V
PWR
Supply Voltage
V
DD33
vs Temperature
Auxiliary Comp Response Time
vs Overdrive
Normalized V1 to V6 Threshold
vs Temperature
V
PWR
Supply Current
vs Voltage
TEMPERATURE (°C)
–50
NORMALIZED THRESHOLD
1.0002
1.0015
1.0005
0.9995
0.9990
1.0010
1.0000
0.9985
0.9980
25–25 75
2936 G01
1000 50
OVERDRIVE (mV)
0
DELAY (µs)
120
60
100
80
40
20
0
2936 G06
5010 20 30 40
V
PWR
VOLTAGE (V)
0
V
PWR
SUPPLY CURRENT (µA)
420
400
390
410
380
370
12
2936 G02
153 6 9
V
PWR
VOLTAGE (V)
0
V
DD33
(V)
3.4
3.3
3.1
3.2
3.0
63
2936 G03
15129
OVERDRIVE (LSB)
0
DELAY (µs)
20
8
16
12
4
0
5 20
2936 G05
2510 15
V1-V6 = 1.2V
V1-V6 = 0.2V
V
PWR
(V)
0
GPIO (V)
6
5
4
3
2
1
0
2936 G07
62 4
10k PULL-UP FROM GPIOn TO V
PWR
25°C
TEMPERATURE (°C)
–50
NORMALIZED DELAY (V)
1.20
1.05
1.15
1.10
1.00
0.95
0.90
0.85
0.80
2936 G08
125–25 0 25 50 75 100
OVERDRIVE = 20LSB
OVERDRIVE = 2LSB
CURRENT (mA)
0
VOLTAGE (mV)
200
150
100
50
0
2936 G09
3.50.5 1 21.5 2.5 3
TEMPERATURE (°C)
–50
V
DD33
(V)
3.315
3.310
3.305
3.300
3.295
–25 0 75
2936 G04
10025 50
V
PWR
= 13.9V
V
PWR
= 3.4V
V
PWR
= 5V
V
PWR
= 10V
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30

LTC2936CUFD#PBF

Mfr. #:
Buy LTC2936CUFD#PBF
Manufacturer:
Analog Devices Inc.
Description:
Supervisory Circuits Programmable Hex Voltage Supervisor (w/ Comparator Outputs)
Lifecycle:
New from this manufacturer.
Delivery:
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