LTC3625/LTC3625-1
2
3625f
pin conFiguraTionabsoluTe MaxiMuM raTings
V
IN
, V
OUT
(Transient) t < 1ms,
Duty Cycle < 1% .......................................... –0.3V to 7V
V
IN
, V
OUT
, V
MID
, PGOOD,
CTL, PROG, PFI, PFO ................................... –0.3V to 6V
EN, V
SEL
........................................... –0.3V to V
IN
+ 0.3V
V
OUT
Short-Circuit Duration ............................. Indefinite
I
PGOOD
, I
PFO
............................................................50mA
I
PROG
........................................................................1mA
I
VIN
, I
SW1
, I
SW2
, I
VOUT
(Note 2) ...................................3A
Operating Junction Temperature Range
(Notes 3, 4) ............................................ –40°C to 125°C
Storage Temperature Range .................. –65°C to 125°C
(Note 1)
12
11
10
9
8
7
1
2
3
4
5
6
SW2
V
OUT
V
MID
PGOOD
PFO
PFI
SW1
V
IN
CTL
V
SEL
EN
PROG
TOP VIEW
13
GND
DE PACKAGE
12-LEAD (4mm s 3mm) PLASTIC DFN
T
JMAX
= 125°C, θ
JA
= 43°C/W
EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB
orDer inForMaTion
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3625EDE#PBF LTC3625EDE#TRPBF 3625
12-Lead (4mm × 3mm) Plastic DFN
–40°C to 125°C
LTC3625EDE-1#PBF LTC3625EDE-1#TRPBF 36251
12-Lead (4mm × 3mm) Plastic DFN
–40°C to 125°C
LTC3625IDE#PBF LTC3625IDE#TRPBF 3625
12-Lead (4mm × 3mm) Plastic DFN
–40°C to 125°C
LTC3625IDE-1#PBF LTC3625IDE-1#TRPBF 36251
12-Lead (4mm × 3mm) Plastic DFN
–40°C to 125°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 non-standard 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/
elecTrical characTerisTics
The l denotes the specifications which apply over the full operating
junction temperature range, otherwise specifications are at T
A
= 25°C. V
IN
= 3.6V, R
PROG
= 143k, unless otherwise specified.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IN
Input Voltage Range
l
V
IN(UVLO)
5.5 V
V
IN(UVLO)
Input Undervoltage Lockout
(V
IN
Rising)
V
SEL
= V
IN
(LTC3625)
V
SEL
= 0V (LTC3625)
V
SEL
= 0V or V
IN
(LTC3625-1)
l
l
l
2.8
2.53
2.53
2.9
2.63
2.63
3.0
2.73
2.73
V
V
V
Input UVLO Hysteresis 100 mV
V
OUT(SLEEP)
Charger Termination Voltage V
SEL
= V
IN
(LTC3625)
V
SEL
= 0V (LTC3625)
V
SEL
= V
IN
(LTC3625-1)
V
SEL
= 0V (LTC3625-1)
l
l
l
l
5.2
4.7
4.4
3.9
5.3
4.8
4.5
4.0
5.4
4.9
4.6
4.1
V
V
V
V
Recharge Hysteresis Below V
OUT(SLEEP)
135 mV
V
TOP
,
V
BOT
Maximum Voltage Across Either of
the Supercapacitors After Charging
V
SEL
= V
IN
, V
OUT
= 5.3V (LTC3625)
V
SEL
= 0V, V
OUT
= 4.8V (LTC3625)
V
SEL
= V
IN
, V
OUT
= 4.5V (LTC3625-1)
V
SEL
= 0V, V
OUT
= 4V (LTC3625-1)
l
l
l
l
2.7
2.45
2.3
2.05
2.75
2.5
2.35
2.1
V
V
V
V
Maximum Supercapacitor Offset
After Charging
CTL = 0V
CTL = V
IN
100
50
180
120
mV
mV
