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LTC3225 Datasheet(PDF) 2 Page - Linear Technology

Part # LTC3225
Description  150mA Supercapacitor Charger
Download  14 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3225 Datasheet(HTML) 2 Page - Linear Technology

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LTC3225/LTC3225-1
2
3225fb
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
VIN, COUT to GND ......................................... –0.3V to 6V
SHDN, VSEL...................................... –0.3V to VIN + 0.3V
COUT Short-Circuit Duration ............................. Indefinite
IVIN Continuous (Note 2)......................................350mA
IOUT Continuous (Note 2).....................................175mA
Operating Temperature Range (Note 3).... –40°C to 85°C
Storage Temperature Range................... –65°C to 125°C
(Note 1)
TOP VIEW
11
DDB PACKAGE
10-LEAD (3mm
2mm) PLASTIC DFN
C+
C
CX
SHDN
PGOOD
COUT
VIN
GND
PROG
VSEL
6
8
7
9
10
5
4
2
3
1
TJMAX = 125°C, θJA = 76°C/W
EXPOSED PAD (PIN 11) MUST BE SOLDERED TO
LOW IMPEDANCE GND PLANE (PIN 8) ON PCB
ORDER INFORMATION
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
LTC3225
VIN-UVLO
Input Supply Undervoltage Lockout
High-to-Low Threshold
VSEL = VIN
VSEL = 0
l
l
2.65
2.4
2.75
2.5
2.85
2.6
V
V
VIN-UVLO-HYS
Input Supply Undervoltage Lockout
Hysteresis
VSEL = VIN
VSEL = 0
150
140
mV
mV
VIN
Input Voltage Range
VSEL = VIN
VSEL = 0V
l
l
3
2.8
5.5
5.5
V
V
VCOUT
Charge Termination Voltage
Sleep Mode Threshold (Rising Edge)
VSEL = VIN
VSEL = 0V
l
l
5.2
4.7
5.3
4.8
5.4
4.9
V
V
VCOUT-HYS
Output Comparator Hysteresis
100
mV
VTOP/BOT
Maximum Voltage Across Each of the
Supercapacitors After Charging
VSEL = VIN
VSEL = 0V
l
l
2.75
2.5
V
V
LTC3225-1
VIN-UVLO
Input Supply Undervoltage Lockout
High-to-Low Threshold
VSEL = VIN
VSEL = 0
l
l
2.25
2.0
2.35
2.1
2.45
2.2
V
V
VIN-UVLO-HYS
Input Supply Undervoltage Lockout
Hysteresis
VSEL = VIN
VSEL = 0
150
140
mV
mV
The
l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN = 3.6V, CIN = 2.2μF, CFLY = 1μF, unless otherwise specified (Note 3).
Lead Free Finish
TAPE AND REEL (MINI)
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3225EDDB#TRMPBF
LTC3225EDDB#TRPBF
LCYR
10-Lead (3mm
× 2mm) Plastic DFN
–40°C to 85°C
LTC3225EDDB-1#TRMPBF
LTC3225EDDB-1#TRPBF
LFFS
10-Lead (3mm
× 2mm) Plastic DFN
–40°C to 85°C
TRM = 500 pieces.
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on 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/


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