LTC1559CGN-3.3 Linear Technology, LTC1559CGN-3.3 Datasheet - Page 2

• Manufacturer Part Number: LTC1559CGN-3.3
• Description: IC BACKUP BATT CNTRLR3.3V 16SSOP
• Manufacturer: Linear Technology

Specifications of LTC1559CGN-3.3

• Function: Back-Up Management
• Battery Type: Nickel Cadmium (NiCd)
• Voltage - Supply: 2.9 V ~ 3.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP (0.150", 3.90mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

ABSOLUTE
(Note 1)
Terminal Voltages
SW Input Currents ............................................. 500mA
LTC1559-3.3/LTC1559-5
PACKAGE/ORDER
SYMBOL
Battery Backup Switching
V
V
I
I
I
I
V
V
V
V
V
2
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ELECTRICAL CHARACTERISTICS
VCC
BAT
BAT(SHDN)
VCC(SHDN)
CC
BAT
BAK(ON)
BAK(OFF)
LOBAT1
UVLO(ON)
UVLO(OFF)
V
V
SW ...................................................................... 14V
All Other Pins .............................. – 0.3V to V
CC
BAK
........................................................................ 6V
GND
CTL
SW
.................................................................... 12V
PS
T
PARAMETER
Operating Voltage Range
Backup Battery Cell Voltage
Quiescent Supply Current (Note 2)
Peak Inductor Current (Backup)
Battery Standby Current
Supply Current During Shutdown (Note 3)
V
Trip Point (Note 4)
V
(Note 4)
Low V
V
V
JMAX
CC
CC
CC
CC
1
2
3
4
8-LEAD PLASTIC SO
Backup Request/Booster Assertion
Backup Deassertion Trip Point
UVLO Trip Voltage (Note 4)
UVLO Trip Voltage (Note 4)
= 125 C,
BAT
S8 PACKAGE
TOP VIEW
Detect (Note 3)
W
MAXIMUM
JA
= 130 C/ W
8
7
6
5
W W
V
V
BACKUP
RESET
BAK
CC
INFORMATION
U
RATINGS
S8 PART MARKING
LTC1559CS8-3.3
LTC1559CS8-5
ORDER PART
W
NUMBER
155933
15595
CONDITIONS
LTC1559-3.3
LTC1559-5
Boost Converter in Low Current Mode (Note 7)
Boost Converter in High Current Mode (Note 7)
V
LTC1559-3.3
LTC1559-5
LTC1559-3.3
LTC1559-5
LTC1559-3.3
LTC1559-5
U
LTC1559-3.3
LTC1559-5
CC
= 0V
CC
+ 0.3V
V
U
BAT
= 1.2V, T
V
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
BAK
16-LEAD PLASTIC SSOP
A
PGND
SHDN
GN PACKAGE
= 0 C to 70 C unless otherwise noted.
GND
Output Current ................... Short-Circuit Protected
CTL
SW
SW
T
T
NC
PS
JMAX
JMAX
1
2
3
4
5
6
7
8
= 125 C,
= 125 C,
TOP VIEW
JA
JA
= 110 C/ W (GN)
= 110 C/ W (S)
16-LEAD PLASTIC SO
S PACKAGE
16
15
14
13
12
11
10
9
V
V
V
BACKUP
RESET
RESET
NC
LOBAT
BAK
BAK
CC
2.900
4.400
3.011
4.475
3.061
4.550
2.904
4.400
3.061
4.550
MIN
0.95
225
1.0
80
LTC1559CGN-3.3
LTC1559CGN-5
LTC1559CS-3.3
LTC1559CS-5
3.070
4.625
3.119
4.700
3.003
4.550
3.119
4.700
1.00
TYP
155
165
330
1.2
0.1
ORDER PART
NUMBER
3.127
4.775
3.176
4.850
3.102
4.700
3.176
4.850
MAX
1.05
250
225
445
3.5
5.5
1.5
15
50
UNITS
mA
mA
V
V
V
A
A
A
V
V
V
V
V
V
V
V
V