LTC1159/LTC1159-3.3/LTC1159-5
ABSOLUTE
AXI U
RATI GS
Operating Temperature Range .................... 0°C to 70°C
Extended Commercial
Temperature Range ............................... – 40°C to 85°C
Junction Temperature (Note 1) ............................ 125°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
Input Supply Voltage (Pin 2)...................... – 15V to 60V
V
CC
Output Current (Pin 3) .................................. 50mA
Continuous Pin Currents (Any Pin) ...................... 50mA
Sense Voltages ......................................... – 0.3V to 13V
Shutdown Voltages ................................................... 7V
EXTV
CC
Input Voltage ............................................. 15V
PACKAGE/ORDER I FOR ATIO
TOP VIEW
P-GATE
V
IN
V
CC
P-DRIVE
P-DRIVE
V
CC
V
CC
C
T
I
TH
SENSE
–
1
2
3
4
5
6
7
8
9
10
20 CAP
19 SHDN2
18 EXTV
CC
17 P-GND
16 N-GATE
15 P-GND
14 S-GND
13 SHDN1
12 V
FB
11 SENSE
+
ORDER PART
NUMBER
LTC1159CG
LTC1159CG-3.3
LTC1159CG-5
G PACKAGE
20-LEAD PLASTIC SSOP
T
JMAX
= 125°C,
θ
JA
= 135°C/ W
Consult factory for Industrial and Military grade parts.
ELECTRICAL CHARACTERISTICS
SYMBOL
V
FB
I
FB
V
OUT
∆V
OUT
PARAMETER
Feedback Voltage (LTC1159 Only)
Feedback Current (LTC1159 Only)
Regulated Output Voltage
LTC1159-3.3
LTC1159-5
Output Voltage Line Regulation
Output Voltage Load Regulation
LTC1159-3.3
LTC1159-5
Burst Mode Output Ripple
I
IN
V
IN
Pin Current (Note 3)
Normal Mode
Shutdown
I
EXTVCC
V
CC
V
IN
– V
CC
EXTV
CC
Pin Current (Note 3)
Internal Regulator Voltage
V
CC
Dropout Voltage
T
A
= 25°C, V
IN
= 12V, V
SHDN1
= 0V (Note 2), unless otherwise noted.
MIN
q
q
CONDITIONS
V
IN
= 9V
I
LOAD
= 700mA
I
LOAD
= 700mA
V
IN
= 9V to 40V
5mA < I
LOAD
< 2A
5mA < I
LOAD
< 2A
I
LOAD
= 0A
V
IN
= 12V, EXTV
CC
= 5V
V
IN
= 40V, EXTV
CC
= 5V
V
IN
= 12V, V
SHDN2
= 2V
V
IN
= 40V, V
SHDN2
= 2V
EXTV
CC
= 5V, Sleep Mode
V
IN
= 12V to 40V, EXTV
CC
= 0V, I
CC
= 10mA
V
IN
= 4V, EXTV
CC
= Open, I
CC
= 10mA
2
U
U
W
W W
U
W
TOP VIEW
P-GATE
V
IN
V
CC
P-DRIVE
V
CC
C
T
I
TH
SENSE
–
1
2
3
4
5
6
7
8
16 CAP
15 SHDN2
14 EXTV
CC
13 N-GATE
12 P-GND
11 S-GND
10 V
FB
(SHDN1)*
9
SENSE
+
ORDER PART
NUMBER
LTC1159CN
LTC1159CN-3.3
LTC1159CN-5
LTC1159CS
LTC1159CS-3.3
LTC1159CS-5
N PACKAGE
16-LEAD PDIP
S PACKAGE
16-LEAD PLASTIC SO
*FIXED OUTPUT VERSIONS
T
JMAX
= 125°C,
θ
JA
= 80°C/ W (N)
T
JMAX
= 125°C,
θ
JA
= 110°C/ W (S)
TYP
1.25
0.2
MAX
1.29
UNITS
V
µA
1.21
q
q
3.23
4.90
– 40
3.33
5.05
0
40
60
50
200
300
15
25
250
3.43
5.20
40
65
100
V
V
mV
mV
mV
mV
P-P
µA
µA
µA
µA
µA
q
q
q
4.25
4.5
300
4.75
400
V
mV
LINER [ LINEAR TECHNOLOGY ]
