LTC2954
ABSOLUTE AXI U RATI GS
(Note 1)
Supply Voltage (V ) ..................................– 0.3V to 33V
Operating Temperature Range
IN
Input Voltages
LTC2954C-1.............................................. 0°C to 70°C
LTC2954C-2.............................................. 0°C to 70°C
LTC2954I-1 .......................................... – 40°C to 85°C
LTC2954I-2 .......................................... – 40°C to 85°C
Storage Temperature Range
PB............................................................– 6V to 33V
ONT ......................................................– 0.3V to 2.7V
PDT.......................................................– 0.3V to 2.7V
KILL.........................................................– 0.3V to 7V
Output Voltages
DFN Package..................................... – 65°C to 125°C
TSOT-23............................................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
INT.........................................................– 0.3V to 10V
EN/EN ....................................................– 0.3V to 33V
U
W
U
PACKAGE/ORDER I FOR ATIO
TOP VIEW
TOP VIEW
GND
ONT
PB
1
2
3
4
8
7
6
5
INT
V
1
8 KILL
7 PDT
6 EN/EN
5 INT
IN
EN/EN
PDT
9
PB 2
ONT 3
GND 4
V
KILL
IN
TS8 PACKAGE
8-LEAD PLASTIC TSOT-23
= 125°C, θ = 140°C/W
DDB PACKAGE
8-LEAD (3mm × 2mm) PLASTIC DFN
= 125°C, θ = 165°C/W
T
JMAX
JA
T
JMAX
JA
EXPOSED PAD (PIN 9) UNCONNECTED
ORDER PART NUMBER
DDB PART MARKING*
ORDER PART NUMBER
TS8 PART MARKING*
LTC2954CDDB-1
LTC2954CDDB-2
LTC2954IDDB-1
LTC2954IDDB-2
LCJG
LCNJ
LCJG
LCNJ
LTC2954CTS8-1
LTC2954CTS8-2
LTC2954ITS8-1
LTC2954ITS8-2
LTCJH
LTCNK
LTCJH
LTCNK
Order Options Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
The
●
denotes the specifications which apply over the full operating
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T = 25°C. V = 2.7V to 26.4V, unless otherwise noted. (Note 2)
A
IN
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
26.4
12
UNITS
V
●
●
●
V
IN
Supply Voltage Range
Steady State Operation
System Power On, V = 2.7V to 24V
2.7
I
IN
V
V
V
Supply Current
6
µA
IN
IN
IN
IN
V
V
Undervoltage Lockout
Undervoltage Lockout
V
Falling
IN
2.2
50
2.3
400
2.5
V
UVL
700
mV
UVL(HYST)
Hysteresis
Push Button, Enable (PB, EN/EN))
PB Voltage Range
●
V
Single-Ended
–1
26.4
V
PB(MIN, MAX)
2954f
2