LTC1159IS-5 Linear Technology, LTC1159IS-5 Datasheet - Page 2

• Manufacturer Part Number: LTC1159IS-5
• Description: IC SW REG SYNC STEP-DOWN 16-SOIC
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC1159IS-5

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 5V
• Current - Output: 50mA
• Frequency - Switching: 250kHz
• Voltage - Input: 4 ~ 40 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -
• Other names: LTC1159IS5

A
temperature range, otherwise specifications are at T
LTC1159
LTC1159-3.3/LTC1159-5
Input Supply Voltage (Pin 2) ..................... – 15V to 60V
V
Continuous Pin Currents (Any Pin) ...................... 50mA
Sense Voltages ......................................... – 0.3V to 13V
Shutdown Voltages ................................................... 7V
EXTV
Junction Temperature (Note 2) ............................ 125 C
PACKAGE/ORDER I FOR ATIO
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL C
SYMBOL
V
I
V
I
I
2
FB
IN
EXTVCC
FB
OUT
V
CC
BSOLUTE
OUT
Output Current (Pin 3) .................................. 50mA
P-DRIVE
P-DRIVE
SENSE
CC
P-GATE
V
V
V
V
Input Voltage ............................................. 15V
I
C
CC
CC
CC
TH
IN
T
–
T
JMAX
20-LEAD PLASTIC SSOP
10
1
2
3
4
5
6
7
8
9
PARAMETER
Feedback Voltage (LTC1159 Only)
Feedback Current (LTC1159 Only)
Regulated Output Voltage
Output Voltage Line Regulation
Output Voltage Load Regulation
Burst Mode Output Ripple
V
EXTV
IN
= 125 C,
LTC1159-3.3
LTC1159-5
LTC1159-3.3
LTC1159-5
Normal Mode
Shutdown
Pin Current (Note 4)
G PACKAGE
TOP VIEW
CC
W
Pin Current (Note 4)
JA
A
= 135 C/ W
HARA TERISTICS
XI
20
19
18
17
16
15
14
13
12
11
W
CAP
SHDN2
EXTV
PGND
N-GATE
PGND
SGND
SHDN1
V
SENSE
FB
U
CC
C
U
+
W
R
A
LTC1159CG
LTC1159CG-3.3
LTC1159CG-5
W
ORDER PART
TI
CONDITIONS
V
I
I
V
5mA < I
5mA < I
I
V
V
V
V
EXTV
LOAD
LOAD
LOAD
NUMBER
IN
IN
IN
IN
IN
IN
U
A
= 9V
= 9V to 40V
= 12V, EXTV
= 40V, EXTV
= 12V, V
= 40V, V
= 25 C. V
CC
G
= 700mA
= 700mA
= 0A
LOAD
LOAD
= 5V, Sleep Mode
S
The
U
SHDN2
SHDN2
< 2A
< 2A
(Note 1)
IN
CC
CC
denotes specifications which apply over the full operating
= 12V, V
= 2V
= 2V
= 5V
= 5V
Operating Temperature Range
Extended Commercial
Temperature Range ............................... – 40 C to 85 C
Storage Temperature Range ................ – 65 C to 150 C
Lead Temperature (Soldering, 10 sec)................. 300 C
LTC1159C .............................................. 0 C to 70 C
LTC1159I ........................................... – 40 C to 85 C
P-DRIVE
SENSE
P-GATE
SHDN1
16-LEAD PDIP
N PACKAGE
V
V
V
I
C
CC
CC
TH
IN
T
T
T
–
JMAX
JMAX
*FIXED OUTPUT VERSIONS
= 0V (Note 3), unless otherwise noted.
1
2
3
4
5
6
7
8
= 125 C,
= 125 C,
TOP VIEW
JA
JA
16-LEAD PLASTIC SO
= 80 C/ W (N)
= 110 C/ W (S)
S PACKAGE
16
15
14
13
12
11
10
9
CAP
SHDN2
EXTV
N-GATE
PGND
SGND
V
SENSE
FB
1.21
3.23
4.90
MIN
– 40
(SHDN1)*
CC
+
1.25
3.33
5.05
TYP
200
300
250
0.2
40
60
50
15
25
0
LTC1159CN
LTC1159CN-3.3
LTC1159CN-5
LTC1159CS
LTC1159CS-3.3
LTC1159CS-5
LTC1159IS
LTC1159IS-3.3
LTC1159IS-5
ORDER PART
NUMBER
MAX
1.29
3.43
5.20
100
40
65
UNITS
mV
mV
mV
mV
P-P
V
A
V
V
A
A
A
A
A