Datasheet

LTC2953
2
2953f
ELECTRICAL CHARACTERISTICS
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (V
IN
) .................................. –0.3V to 33V
Input Voltages
⎯
P
⎯
B,
⎯
P
⎯
F
⎯
I, UVLO ........................................... –6V to 33V
VM ......................................................... –0.3V to 20V
⎯
K
⎯
I
⎯
L
⎯
L ....................................................... –0.3V to 10V
PDT ....................................................... –0.3V to 2.7V
Output Voltages
EN/
⎯
E
⎯
N,
⎯
P
⎯
F
⎯
O ............................................ –0.3V to 50V
⎯
R
⎯
S
⎯
T,
⎯
I
⎯
N
⎯
T ................................................ –0.3V to 10V
Operating Temperature Range
LTC2953C ................................................ 0°C to 70°C
LTC2953I ............................................. –40°C to 85°C
Storage Temperature Range ................... –65°C to 125°C
(Note 1)
The ● denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. V
IN
= 2.7V to 27V, unless otherwise noted (Note 2).
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Supply Pin (V
IN
)
V
IN
Supply Voltage Range Steady State Operation
●
2.7 27 V
I
IN
V
IN
Supply Current V
IN
= 2.7V to 27V
●
14 26 μA
V
UVL
V
IN
Undervoltage Lockout V
IN
Falling
●
2.2 2.3 2.5 V
Push Button, Enable (
⎯
P
⎯
B, EN/
⎯
E
⎯
N)
V
PB(MIN, MAX)
⎯
P
⎯
B Operating Voltage Range Single-Ended
●
–1 27 V
I
PB
⎯
P
⎯
B Input Current 2.5V < V
PB
< 27V
V
PB
= 1V
V
PB
= 0.6V
●
●
●
–1
–3
–6
–9
±1
–12
–15
μA
μA
μA
V
PB(VTH)
⎯
P
⎯
B Input Threshold
⎯
P
⎯
B Falling
●
0.6 0.8 1 V
V
PB(VOC)
⎯
P
⎯
B Open Circuit Voltage I
PB
= –1μA
●
1 1.6 2 V
PIN CONFIGURATION
TOP VIEW
13
DD PACKAGE
12-LEAD (3mm 3mm) PLASTIC DFN
12
11
8
9
10
4
5
3
2
1
INT
EN/EN
RST
PFO
PFI
UVLO
GND
V
M
KILL
PDT
PB
V
IN
6
7
T
JMAX
= 125°C, θ
JA
= 43°C/W
EXPOSED PAD (PIN 13) PCB GROUND CONNECTION OPTIONAL
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC2953CDD-1#PBF
LTC2953CDD-2#PBF
LTC2953IDD-1#PBF
LTC2953IDD-2#PBF
LTC2953CDD-1#TRPBF
LTC2953CDD-2#TRPBF
LTC2953IDD-1#TRPBF
LTC2953IDD-2#TRPBF
LCWT
LCQT
LCWT
LCQT
12-Lead (3mm × 3mm) Plastic DFN
12-Lead (3mm × 3mm) Plastic DFN
12-Lead (3mm × 3mm) Plastic DFN
12-Lead (3mm × 3mm) Plastic DFN
0°C to 70°C
0°C to 70°C
–40°C to 85°C
–40°C to 85°C
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/