LT1579CS8-3.3 Linear Technology, LT1579CS8-3.3 Datasheet - Page 2

• Manufacturer Part Number: LT1579CS8-3.3
• Description: IC LDO REG SMART DUAL 3.3V 8SOIC
• Manufacturer: Linear Technology

Specifications of LT1579CS8-3.3

• Function: Back-Up Management
• Battery Type: Smart Batteries
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

ABSOLUTE
LT1579
Power Input Pin Voltage ...................................... 20V*
Output Pin Voltage
Output Pin Reverse Current .................................... 5mA
ADJ Pin Voltage .............................................. 2V, – 0.6V
ADJ Pin Current ...................................................... 5mA
Control Input Pin Voltage ............................ 6.5V, – 0.6V
Control Input Pin Current ....................................... 5mA
PACKAGE/ORDER I FOR ATIO
2
Consult factory for Industrial and Military grade parts.
CONTROL
CONTROL
POWER
INPUTS
Fixed Devices............................................. 6.5V, – 6V
Adjustable Device ............................................ 20V*
POWER
INPUTS
INPUTS
INPUT
16-LEAD PLASTIC SSOP
SEE APPLICATION INFORMATION SECTION
SEE APPLICATION INFORMATION SECTION
SHDN
T
T
SHDN
GN PACKAGE
GND
V
V
JMAX
JMAX
V IN1
V IN2
GND
LBI1
LBI2
GND
IN1
IN2
SS
T
JMAX
1
2
3
4
= 125 C,
= 125 C,
8-LEAD PLASTIC SO
1
2
3
4
5
6
7
8
S8 PACKAGE
= 125 C,
TOP VIEW
TOP VIEW
W
MAXIMUM
16-LEAD PLASTIC SO
JA
JA
= 95 C/W (GN)
= 68 C/W (S)
JA
S PACKAGE
= 90 C/W
16
15
14
13
12
11
10
8
7
6
5
9
OUT
BACKUP
DROPOUT
BIASCOMP
GND
OUT
BACKUP
DROPOUT
LBO1
LBO2
BIASCOMP
GND
W W
LOGIC
OUTPUTS
LOGIC
OUTPUTS
U
RATINGS
GN PART MARKING
S8 PART MARKING
LT1579CGN-3
LT1579CGN-3.3
LT1579CGN-5
LT1579CS-3
LT1579CS-3.3
LT1579CS-5
LT1579CS8-3
LT1579CS8-3.3
LT1579CS8-5
W
ORDER PART
ORDER PART
NUMBER
NUMBER
U
15793
157933
15795
15793
157933
15795
U
CONTROL
BIASCOMP Pin Voltage ............................... 6.5V, – 0.6V
BIASCOMP Pin Current .......................................... 5mA
Logic Flag Output Voltage ............................ 6.5V, – 0.6V
Logic Flag Input Current ......................................... 5mA
Output Short-Circuit Duration .......................... Indefinite
Storage Temperature Range ................. – 65 C to 150 C
Operating Junction Temperature Range .... 0 C to 125 C
Lead Temperature (Soldering, 10 sec).................. 300 C
*For applications requiring input voltage ratings greater than 20V,
CONTROL
POWER
INPUTS
INPUTS
consult factory.
POWER
INPUTS
INPUT
16-LEAD PLASTIC SSOP
SEE APPLICATION INFORMATION SECTION
SEE APPLICATION INFORMATION SECTION
T
T
SHDN
GN PACKAGE
SHDN
JMAX
JMAX
V IN1
V IN2
GND
LBI1
LBI2
GND
V
V
GND
SS
T
IN1
IN2
JMAX
= 125 C,
= 125 C,
1
2
3
4
5
6
7
8
1
2
3
4
8-LEAD PLASTIC SO
= 125 C,
S8 PACKAGE
TOP VIEW
TOP VIEW
JA
JA
16-LEAD PLASTIC SO
= 95 C/W (GN)
= 68 C/W (S)
JA
S PACKAGE
= 90 C/W
16
15
14
13
12
11
10
9
8
7
6
5
GND
OUT
ADJ
BACKUP
LBO1
LBO2
BIASCOMP
GND
OUT
ADJ
BACKUP
BIASCOMP
LOGIC
OUTPUTS
LOGIC
OUTPUT
GN PART MARKING
S8 PART MARKING
ORDER PART
ORDER PART
LT1579CGN
LT1579CS
LT1579CS8
NUMBER
NUMBER
1579
1579