FB1, FB2 ............................................... – 0.3V to 17V
TIMER/RESET ........................................ –0.3V to 17V
Operating Junction Temperature Range (Note 2)
LTC1696E........................................... –40°C to 125°C
LTC1696I............................................ –40°C to 125°C
LTC1696H .......................................... –40°C to 150°C
Storage Temperature Range................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
S6 PACKAGE
6-LEAD PLASTIC TSOT-23
T
JMAX
= 150°C,
θ
JA
= 192°C/W
ORDER INFORMATION
LEAD FREE FINISH
LTC1696ES6#PBF
LTC1696IS6#PBF
LTC1696HS6#PBF
TAPE AND REEL
LTC1696ES6#TRPBF
LTC1696IS6#TRPBF
LTC1696HS6#TRPBF
PART MARKING
LTLT
LTLT
LTLT
PACKAGE DESCRIPTION
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
6-Lead Plastic TSOT-23
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 150°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on nonstandard lead based finish parts.
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/
The
l
denotes the specifications which apply over the specified operating
junction temperature range, otherwise specifications are at T
A
= 25°C. 2.7V ≤ V
CC
≤ 27V (Notes 2, 3, 4) unless otherwise noted.
SYMBOL PARAMETER
V
CC
I
VCC
V
FB
Supply Voltage Range
Standby Supply Current
Active Supply Current
FB1, FB2 Feedback Threshold
CONDITIONS
Operating Range
FB1, FB2 < V
FB
FB1, FB2 > V
FB
, C
OUT
= 1000pF
Voltage Going Positive T
A
≥ 0°C and T
A
≤ 85°C
T
A
≥ 0°C and T
A
≤ 125°C
T
A
≥ 0°C and T
A
≤ 150°C
T
A
< 0°C
High-to-Low Transition
FB1, FB2 > V
FB
FB1, FB2 > V
FB
FB1, FB2 > V
FB
FB1, FB2 > V
FB,
T
A
≤ 85°C
T
A
≤ 125°C
T
A
≤ 150°C
●
●
●
●
●
●
●
●
●
●
●
●
●
●
ELECTRICAL CHARACTERISTICS
MIN
2.7
TYP
170
1.1
MAX
27
540
3.5
0.898
0.898
0.898
0.907
UNITS
V
µA
mA
V
V
V
V
µA
mV
0.862
0.858
0.853
0.853
–1
0.880
0.880
0.880
0.880
– 0.05
12
I
FB
V
FBHST
V
LKO
V
LKH
V
RST
V
TIM
FB1, FB2 Input Current
FB1, FB2 Feedback Hysteresis
V
CC
Undervoltage Lockout
Low-to-High Transition
High-to-Low Transition
V
CC
Undervoltage Lockout Hysteresis
TIMER/RESET Reset Low Threshold
TIMER/RESET Timer High Threshold
1.75
1.64
0.78
1.11
1.08
1.07
2.05
1.94
110
0.865
1.185
1.185
1.185
2.35
2.24
0.95
1.26
1.26
1.26
V
V
mV
V
V
V
V
1696fb
2
For more information
www.linear.com/LTC1696
LTC1696
The
l
denotes the specifications which apply over the specified operating
junction temperature range, otherwise specifications are at T
A
= 25°C. 2.7V ≤ V
CC
≤27V (Notes 2, 3, 4) unless otherwise noted.
SYMBOL PARAMETER
V
TRIG
I
TRIG
I
TIM
TIMER/RESET External Trigger High
Threshold
TIMER/RESET External Trigger High
Current
TIMER/RESET Timer Current
CONDITIONS
FB1, FB2 < V
FB
FB1, FB2 < V
FB
, TIMER/RESET = V
TRIG
FB1 = (V
FB
+ 30mV), FB2 < V
FB
FB1 = (V
FB
+ 200mV), FB2 < V
FB
FB2 = (V
FB
+ 30mV), FB1 < V
FB
FB2 = (V
FB
+ 200mV), FB1 < V
FB
FB1, FB2 = (V
FB
+ 200mV)
12V ≤ V
CC
≤ 27V, FB1, FB2 > V
FB
, C
OUT
= 1000pF
V
CC
= 3.3V, FB1, FB2 > V
FB
, C
OUT
= 1000pF
FB1, FB2 < V
FB
, I
SINK
= 1mA, V
CC
= 3.3V
FB1 > V
FB
, FB2 < V
FB
, TIMER/RESET = Open,
C
OUT
= 1000pF
FB2 > V
FB
, FB1 < V
FB
, TIMER/RESET = Open,
C
OUT
= 1000pF
FB1, FB2 > V
FB
, TIMER/RESET = Open
C
OUT
= 1000pF
FB1, FB2 > V
FB
, C
OUT
= 1000pF
12V ≤ V
CC
≤ 27V, FB1, FB2 > V
FB
,
V
OUT
Shorted to GND
V
CC
= 2.7V, FB1, FB2 > V
FB
, V
OUT
Shorted to GND
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of the device may be impaired.
Note 2:
The 1696E is guaranteed to meet performance specifications
from 0°C to 85°C. Specifications over the -40°C to 125°C operating
junction temperature range are assured by design, characterization and
correlation with statistical process controls. The LTC1696I is guaranteed
from -40°C to 125°C, and the LTC1696H is guaranteed over the -40°C to
150°C operating junction temperature range. High junction temperatures
degrade operating lifetime; operating lifetime is derated for temperatures
greater than 125°C. The maximum ambient temperature consistent with
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
ELECTRICAL CHARACTERISTICS
MIN
1.35
TYP
1.50
260
MAX
1.65
650
22
26
22
26
40
8.0
3.3
0.45
28
28
24
3
160
18
UNITS
V
µA
µA
µA
µA
µA
µA
V
V
V
µs
µs
µs
µs
mA
mA
4
5
4
5
8
4.8
2.7
10
12
10
12
18
6.3
3.2
7
7
6
0.4
V
OUTH
V
OUTL
t
OVPD1
t
OVPD2
t
OVPD1,2
t
r
I
OUTSC
OUT High Voltage
OUT Low Voltage
OUT Propagation Delay for FB1
OUT Propagation Delay for FB2
OUT Propagation Delay for FB1, FB2
OUT Rise Time
OUT Short-Circuit Current
35
2
80
9
these specifications is determined by specific operating conditions in
conjunction with board layout, the package thermal impedance and other
environmental factors. T
J
is calculated from the ambient temperature, T
A
,
and power dissipation, P
D
, according to the following formula:
LTC1696S6: T
J
= T
A
+ (P
D
• 192°C/W)
Note 3:
All currents into device pins are positive; all currents out of device
pins are negative. All voltages are referenced to device ground unless
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