* See Applications Information section for detailed EEPROM derating
information for junction temperatures in excess of 85°C.
pin conFiguraTion
TOP VIEW
V3
V2
V1
V
PWR
V
DD33
GND
GPIO3
ASEL0
ASEL1
1
2
3
4
5
6
7
8
9
24 V4
23 V5
22 V6
21 GPI1
20 GPI2
19 SCL
18 SDA
17 GPIO1
16 GPIO2
15 CMP5
14 CMP6
13 CMP1
V1 1
V
PWR
2
V
DD33
3
GND 4
GPIO3 5
ASEL0 6
ASEL1 7
8
CMP4
9 10 11 12
CMP3
CMP2
CMP1
CMP6
25
V2
TOP VIEW
V3
V4
V5
V6
19 GPI1
18 GPI2
17 SCL
16 SDA
15 GPIO1
14 GPIO2
13 CMP5
24 23 22 21 20
CMP4 10
CMP3 11
CMP2 12
UFD PACKAGE
24-LEAD (4mm
×
5mm) PLASTIC QFN
T
JMAX
= 125°C,
θ
JA
= 43°C/W,
θ
JCbottom
= 3.4°C/W
EXPOSED PAD (PIN 25) IS GND
PCB CONNECTION IS OPTIONAL
GN PACKAGE
24-LEAD PLASTIC SSOP
T
JMAX
= 125°C,
θ
JA
= 88°C/W,
θ
JCtop
= 30°C/W
orDer inForMaTion
LEAD FREE FINISH
LTC2936CGN#PBF
LTC2936IGN#PBF
LTC2936CUFD#PBF
LTC2936IUFD#PBF
TAPE AND REEL
LTC2936CGN#TRPBF
LTC2936IGN#TRPBF
LTC2936CUFD#TRPBF
LTC2936IUFD#TRPBF
http://www.linear.com/product/LTC2936#orderinfo
PART MARKING*
LTC2936GN
LTC2936GN
2936
2936
PACKAGE DESCRIPTION
24-Lead Plastic SSOP
24-Lead Plastic SSOP
24-Lead (4mm
×
5mm) Plastic QFN
24-Lead (4mm
×
5mm) Plastic QFN
TEMPERATURE RANGE
0°C to 70°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to:
http://www.linear.com/tapeandreel/
2
2936fa
For more information
www.linear.com/LTC2936
LTC2936
elecTrical characTerisTics
SYMBOL
V
PWR
V
DD33
I
DD
V
DDEXT
I
PWR
I
VDDEXT
PARAMETER
V
PWR
Supply Voltage Range
V
DD33
Regulator Output Voltage
V
DD33
Regulator Current Limit
V
DD33
Supply Voltage Range
V
PWR
Supply Current
V
DDEXT
Supply Current
I
VDD33
= –1mA
V
DD33
= 0V
V
DD33
= V
PWR
Writing to EEPROM
Writing to EEPROM
Precision Range
Low Range
Medium Range
Precision Range
Low Range
Medium Range
Precision Range, 0.6V < Vn < 1.2V
Precision Range, 0.2V < Vn < 0.6V
Low Range, 1.5V < Vn < 3V
Low Range, 0.5V < Vn < 1.5V
Medium Range, 3V < Vn < 5.8V
Medium Range, 1V< Vn <3V
Low and Medium Range and High Range
Precision Range, 1.2V Input
2 LSB of Overdrive
20 LSB of Overdrive
Active Low
l
l
l
l
l
l
l
l
l
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).
CONDITIONS
l
l
l
l
l
l
l
l
MIN
3.4
3.23
–10
3.13
TYP
MAX
13.9
UNITS
V
V
mA
V
mA
mA
mA
mA
V
Power Supply Characteristics
3.3
3.3
3.37
3.47
0.7
1.5
0.7
1.5
0.2
0.5
1
4
10
20
±1
±6
±1
±15
±1
±30
400
600
±10
15
7.5
5
1
I
SINK
= 3mA
V
CMP
= 13.9V
V
CMP
= 2V
l
l
l
Voltage Supervisor Characteristics
V
RANGE
V
STEP
V
ERR
Vn Monitoring Range
l
l
l
1.2
3
5.8
Vn Threshold Programming Step (LSB)
mV
Vn Threshold Accuracy
%
mV
%
mV
%
mV
kΩ
nA
µs
µs
µs
µs
R
IN
I
IN
t
RT
Vn Input Impedance
Vn Input Current
Vn Comparator Response Time
10
Manual Reset Characteristics
t
MRI
t
MRR
V
OL
I
LEAK
I
PU
V
ITH
I
LEAK
I
PU
V
ACIN
I
ACIN
t
ACRT
V
OL
V
ITH
I
LEAK
I
PU
Input Pulse Width
Glitch Rejection
Low Output Voltage
Leakage Current
Internal Pull-up Current
Input Threshold Voltage
Leakage Current
Internal Pull-up Current
Input Threshold Voltage
Input Current
Response time
Low Output Voltage
Input Threshold Voltage
Leakage Current
Internal Pull-up Current
V
GPIO
= 13.9V
V
GPIO
= 2V
Input Voltage = 0.5V
40mV Overdrive
I
SINK
= 3mA
l
l
l
l
l
CMPn Output Characteristics
0.4
±2
–5
0.6
–5
0.49
–15
1
–15
0.5
25
0.4
0.6
–5
1
–15
1.4
±2
–30
–30
1.4
±2
–30
0.51
±10
V
µA
µA
V
µA
µA
V
nA
µs
V
V
µA
µA
2936fa
GPIn Characteristics
l
V
GPI
= 6V
V
GPI
= 2V
l
l
Auxiliary Comparator Characteristics
l
l
GPIOn Characteristics
For more information
www.linear.com/LTC2936
3
LTC2936
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
t
DRO
PARAMETER
Programmable Output Delay-On-Release
GPIO1_DELAY_ON_RELEASE,
GPIO2_DELAY_ON_RELEASE and
GPIO3_DELAY_ON_RELEASE
CONDITIONS
000b
001b
010b
011b
100b
101b
110b
111b
l
l
l
l
l
l
l
l
elecTrical characTerisTics
MIN
1
4.5
17.9
35.8
143.3
286.6
1146
10
10,000
TYP
0.001
1.6
6.4
25.6
51.2
204.8
409.6
1638
MAX
0.050
2.1
8.3
33.3
66.6
266.3
532.6
2130
UNITS
ms
ms
ms
ms
ms
ms
ms
ms
Years
Cycles
EEPROM Characteristics
Retention
Endurance
t
EEFS
t
EEPR
t
EERU
V
IH
V
IL
V
HYST
I
LEAK
V
OL
V
IH
V
IL
I
IH,IL
I
FLOAT
f
SCL
t
LOW
t
HIGH
t
BUF
t
HD,STA
t
SU,STA
t
SU,STO
t
HD,DAT
t
SU,DAT
t
SP
t
TIMEOUT_BUS
Retention (Notes 5, 6)
Endurance (Notes 5, 6)
Fault Storage Time (Note 4)
Programming Time
Restore Time
High Level Input Voltage
Low Level Input Voltage
Input Hysteresis (Note 4)
Input Leakage Current
Digital Output Low Voltage
Input High Threshold Voltage
Input Low Threshold Voltage
High, Low Input Current
High Z Input Current
Serial Clock Frequency
Serial Clock Low Period
Serial Clock High Period
Bus Free Time Between Stop and Start
Start Condition Hold Time
Start Condition Setup Time
Stop Condition Setup Time
Data Hold Time
Data Setup Time
Pulse Width of Spike Suppressed
Time Allowed to Complete Any PMBus
Command After Which Time SDA Will
Be Released and Command Terminated
LTC2936 Receiving Data
LTC2936 Transmitting Data
ASELn = 0, V
DD33
0.5V< ASELn < V
DD33
– 0.5V
SCL, SDA = GND to 5.5V
I
SINK
= 3mA
l
l
l
Backup Fault Storage Operation
I
2
C NAK’s During STORE_USER Operation
RESTORE_USER Command
l
l
10
100
1
2.0
0.8
40
–1
1
0.4
V
DD33
–
0.4
0.4
–20
–10
10
1.3
0.6
1.3
600
600
600
0
300
100
100
32
20
10
400
ms
ms
ms
V
V
mV
µA
V
V
V
µA
µA
kHz
µs
µs
µs
ns
ns
ns
ns
ns
ns
ns
ms
Digital Inputs SCL, SDA
Digital Output SDA
l
Digital Inputs ASEL0, ASEL1
l
l
l
l
Serial Bus Timing Characteristics (Note 3)
l
l
l
l
l
l
l
l
l
l
4
2936fa
For more information
www.linear.com/LTC2936
LTC2936
elecTrical characTerisTics
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
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