参数资料
型号: LTC1559CS8-3.3
厂商: Linear Technology
文件页数: 2/20页
文件大小: 0K
描述: IC BACKUP BATT CNTRLR 3.3V 8SOIC
标准包装: 100
功能: 备份管理
电池化学: 镍镉
电源电压: 2.9 V ~ 3.5 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 管件
LTC1559-3.3/LTC1559-5
ABSOLUTE M AXI M U M RATINGS
(Note 1)
Terminal Voltages
V CC ........................................................................ 6V
V BAK .................................................................... 12V
SW ...................................................................... 14V
All Other Pins .............................. – 0.3V to V CC + 0.3V
SW Input Currents ............................................. 500mA
PACKAGE/ORDER I N FOR M ATIO N
V BAK 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
ORDER PART
TOP VIEW
ORDER PART
NUMBER
SW 1
16 V BAK
NUMBER
TOP VIEW
SW 1 8 V BAK
GND 2 7 V CC
CTL 3 6 BACKUP
PS 4 5 RESET
S8 PACKAGE
8-LEAD PLASTIC SO
T JMAX = 125 ° C, θ JA = 130 ° C/ W
LTC1559CS8-3.3
LTC1559CS8-5
S8 PART MARKING
155933
15595
SW 2 15 V BAK
PGND 3 14 V CC
GND 4 13 BACKUP
CTL 5 12 RESET
SHDN 6 11 RESET
PS 7 10 NC
NC 8 9 LOBAT
GN PACKAGE S PACKAGE
16-LEAD PLASTIC SSOP 16-LEAD PLASTIC SO
LTC1559CGN-3.3
LTC1559CGN-5
LTC1559CS-3.3
LTC1559CS-5
T JMAX = 125 ° C, θ JA = 110 ° C/ W (GN)
T JMAX = 125 ° C, θ JA = 110 ° C/ W (S)
Consult factory for Industrial and Military grade parts.
ELECTRICAL CHARACTERISTICS
V BAT = 1.2V, T A = 0 ° C to 70 ° C unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Battery Backup Switching
V CC
Operating Voltage Range
LTC1559-3.3
LTC1559-5
q
q
2.900
4.400
3.5
5.5
V
V
V BAT
I VCC
Backup Battery Cell Voltage
Quiescent Supply Current (Note 2)
q
q
1.0
1.2
155
1.5
250
V
μ A
I BAT
Peak Inductor Current (Backup)
Boost Converter in Low Current Mode (Note 7)
Boost Converter in High Current Mode (Note 7)
q
q
80
225
165
330
225
445
mA
mA
I BAT(SHDN) Battery Standby Current
I VCC(SHDN) Supply Current During Shutdown (Note 3)
V CC = 0V
q
q
0.1
15
50
μ A
μ A
V BAK(ON)
V BAK(OFF)
V LOBAT1
V UVLO(ON)
V CC Backup Request/Booster Assertion
Trip Point (Note 4)
V CC Backup Deassertion Trip Point
(Note 4)
Low V BAT Detect (Note 3)
V CC UVLO Trip Voltage (Note 4)
LTC1559-3.3
LTC1559-5
LTC1559-3.3
LTC1559-5
LTC1559-3.3
LTC1559-5
q
q
q
q
q
q
q
3.011
4.475
3.061
4.550
0.95
2.904
4.400
3.070
4.625
3.119
4.700
1.00
3.003
4.550
3.127
4.775
3.176
4.850
1.05
3.102
4.700
V
V
V
V
V
V
V
V UVLO(OFF) V CC UVLO Trip Voltage (Note 4)
LTC1559-3.3
LTC1559-5
q
q
3.061
4.550
3.119
4.700
3.176
4.850
V
V
2
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