LTC1559CS8-5 View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LTC1559CS8-5 Datasheet PDF : 20 Pages
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LTC1559-3.3/LTC1559-5
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Terminal Voltages
VCC ........................................................................ 6V
VBAK .................................................................... 12V
SW ...................................................................... 14V
All Other Pins .............................. – 0.3V to VCC + 0.3V
SW Input Currents ............................................. 500mA
VBAK Output Current ................... Short-Circuit Protected
Operating Ambient Temperature Range ....... 0°C to 70°C
Junction Temperature .......................................... 125°C
Storage Temperature Range .................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................... 300°C
PACKAGE/ORDER INFORMATION
TOP VIEW
SW 1
GND 2
CTL 3
PS 4
8 VBAK
7 VCC
6 BACKUP
5 RESET
S8 PACKAGE
8-LEAD PLASTIC SO
TJMAX = 125°C, θJA = 130°C/ W
ORDER PART
NUMBER
LTC1559CS8-3.3
LTC1559CS8-5
S8 PART MARKING
155933
15595
Consult factory for Industrial and Military grade parts.
SW 1
SW 2
PGND 3
GND 4
CTL 5
SHDN 6
PS 7
NC 8
TOP VIEW
16 VBAK
15 VBAK
14 VCC
13 BACKUP
12 RESET
11 RESET
10 NC
9 LOBAT
GN PACKAGE
S PACKAGE
16-LEAD PLASTIC SSOP 16-LEAD PLASTIC SO
TJMAX = 125°C, θJA = 110°C/ W (GN)
TJMAX = 125°C, θJA = 110°C/ W (S)
ORDER PART
NUMBER
LTC1559CGN-3.3
LTC1559CGN-5
LTC1559CS-3.3
LTC1559CS-5
ELECTRICAL CHARACTERISTICS VBAT = 1.2V, TA = 0°C to 70°C unless otherwise noted.
SYMBOL PARAMETER
Battery Backup Switching
VCC
Operating Voltage Range
VBAT
Backup Battery Cell Voltage
IVCC
Quiescent Supply Current (Note 2)
IBAT
Peak Inductor Current (Backup)
IBAT(SHDN)
IVCC(SHDN)
VBAK(ON)
Battery Standby Current
Supply Current During Shutdown (Note 3)
VCC Backup Request/Booster Assertion
Trip Point (Note 4)
VBAK(OFF) VCC Backup Deassertion Trip Point
(Note 4)
VLOBAT1 Low VBAT Detect (Note 3)
VUVLO(ON) VCC UVLO Trip Voltage (Note 4)
VUVLO(OFF) VCC UVLO Trip Voltage (Note 4)
CONDITIONS
LTC1559-3.3
LTC1559-5
Boost Converter in Low Current Mode (Note 7)
Boost Converter in High Current Mode (Note 7)
VCC = 0V
LTC1559-3.3
LTC1559-5
LTC1559-3.3
LTC1559-5
LTC1559-3.3
LTC1559-5
LTC1559-3.3
LTC1559-5
MIN TYP MAX
q 2.900
3.5
q 4.400
5.5
q 1.0 1.2 1.5
q
155 250
q 80 165 225
q 225 330 445
q
0.1 15
q
50
q 3.011 3.070 3.127
q 4.475 4.625 4.775
q 3.061 3.119 3.176
q 4.550 4.700 4.850
q 0.95 1.00 1.05
q 2.904 3.003 3.102
q 4.400 4.550 4.700
q 3.061 3.119 3.176
q 4.550 4.700 4.850
UNITS
V
V
V
µA
mA
mA
µA
µA
V
V
V
V
V
V
V
V
V
2
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