LTC1143LCS-ADJ#PBF Linear Technology, LTC1143LCS-ADJ#PBF Datasheet - Page 2

• Manufacturer Part Number: LTC1143LCS-ADJ#PBF
• Description: IC SW REG STEP-DOWN DUAL 16-SOIC
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC1143LCS-ADJ#PBF

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 2
• Voltage - Output: Adjustable
• Current - Output: 50mA
• Frequency - Switching: 400kHz
• Voltage - Input: 3.5 ~ 16 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

ABSOLUTE
PACKAGE/ORDER
Input Supply Voltage (Pins 5,13) ............... 16V to –0.3V
Continuous Output Current (Pins 4,12) ................ 50mA
Sense Voltages (Pins 1, 8, 9, 16)
Shutdown Voltage
LTC1143/LTC1143L
LTC1143L-ADJ
Consult factory for Industrial and Military grade parts.
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER
V
I
V
I
2
2
5
2
OUT
V
, I
, I
, V
OUT
10
13
V
V
(LTC1143, LTC1143L, Pins 2, 10)...........7V to – 0.3V
SHUTDOWN 3
10
IN
IN
P-DRIVE 3
SENSE
SENSE
< 12.7V .............................. (V
GND3
Feedback Voltage (LTC1143L-ADJ)
Feedback Current (LTC1143L-ADJ)
Regulated Output Voltage (LTC1143/LTC1143L)
Output Voltage Line Regulation
Output Voltage Load Regulation
LTC1143/LTC1143L
Output Ripple (Burst Mode)
Input DC Supply Current (Note 2)
LTC1143:
LTC1143L:
LTC1143L-ADJ: Normal Mode
V
I
12.7V .......................................... 13V to – 0.3V
C
TH5
IN5
+
T5
–
T
3
5
3.3V Output
5V Output
3.3V Output
5V Output
JMAX
1
2
3
4
5
6
7
8
16-LEAD PLASTIC SO
= 125 C,
S PACKAGE
TOP VIEW
W
MAXIMUM
JA
Normal Mode
Sleep Mode
Shutdown
Normal Mode
Sleep Mode
Shutdown
Sleep Mode
= 95 C/W
16
15
14
13
12
11
10
9
SENSE
I
C
V
P-DRIVE 5
GND5
SHUTDOWN 5
SENSE
TH3
W W
T3
IN3
–
+
INFORMATION
3
5
U
RATINGS
IN
+ 0.3V) to – 0.3V
W
ORDER PART
LTC1143CS
LTC1143LCS
NUMBER
U
CONDITIONS
V
V
V
V
I
V
V
V
V
V
V
3.5V < V
3.5V < V
LOAD
IN
IN3,
IN
2
2
2
2
2
2
2
= V
= V
= V
= V
= V
= V
= V
I
I
5mA < I
5mA < I
= 7V to 12V, I
= 9V
LOAD
LOAD
V
= 0A
10
10
10
10
10
10
10
IN5
U
IN
IN
= 0V
= 0V, 4V < V
= 0V, 4V < V
= 2.1V, 4V < V
= 0V, 3.5V < V
= 0V, 3.5V < V
= 2.1V, 3.5V < V
T
= 9V, V
= 700mA
= 700mA
A
< 12V
< 12V, V
LOAD
LOAD
= 25 C, V
< 2.0A
< 2.0A
2
LOAD
V
Operating Temperature Range
Junction Temperature (Note 1) ............................. 125 C
Storage Temperature Range .................. –65 C to 150 C
Lead Temperature (Soldering, 10 sec).................. 300 C
= V
OUT
FB
IN
IN3
Ambient .................................................. 0 C to 70 C
Extended Commercial (Note 4) ........... –40 C to 85 C
10
= 50mA
P-DRIVE 1
IN
IN
IN
IN3
Current (LTC1143L-ADJ, Pins 2, 10) ............... 1mA
< 12V
SENSE
SENSE
= 0V
< 12V, 6V < V
IN
= 10V unless otherwise noted.
< 12V
3.3V
< 12V
GND1
< 12V, 6V < V
V
V
< 12V
I
T
C
TH2
FB1
IN2
JMAX
+
–
T2
1
2
1
2
3
4
5
6
7
8
16-LEAD PLASTIC SO
= 125 C,
S PACKAGE
TOP VIEW
IN5
IN5
< 12V
JA
< 12V
= 95 C/W
16
15
14
13
12
11
10
9
SENSE
I
C
V
P-DRIVE 2
GND2
V
SENSE
TH1
T1
IN1
FB2
–
+
1
2
MIN
1.21
3.23
4.90
–40
LTC1143LCS-ADJ
ORDER PART
1.25
3.33
5.05
TYP
160
160
160
0.2
1.6
1.6
1.6
40
60
50
10
10
0
NUMBER
MAX
1.29
3.43
5.20
100
230
230
230
2.1
2.1
2.1
40
65
20
20
1
UNITS
mV
mV
mV
mV
mA
mA
mA
P-P
V
A
V
V
A
A
A
A
A