LT1160/LT1162
W W U W
ABSOLUTE MAXIMUM RATINGS (Note 1)
Supply Voltage (Note 2) ......................................... 20V
Boost Voltage ......................................................... 75V
Peak Output Currents (< 10µs) .............................. 1.5A
Input Pin Voltages .......................... –0.3V to V+ + 0.3V
Top Source Voltage ..................................... –5V to 60V
Boost to Source Voltage ........................... –0.3V to 20V
Operating Temperature Range
Commercial .......................................... 0°C to 70°C
Industrial ......................................... –40°C to 85°C
Junction Temperature (Note 3)............................ 125°C
Storage Temperature Range ................ –65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
U
W U
PACKAGE/ORDER INFORMATION
TOP VIEW
ORDER PART
ORDER PART
TOP VIEW
+
NUMBER
NUMBER
SV
A
BOOST A
1
2
24
23
22
21
20
19
18
17
16
15
14
13
+
SV
IN TOP
IN BOTTOM
UV OUT
SGND
1
2
3
4
5
6
7
IN TOP A
IN BOTTOM A
UV OUT A
T GATE DR A
T GATE FB A
BOOST
14
13
3
T GATE DR
LT1160CN
LT1160CS
LT1160IN
LT1160IS
LT1162CSW
LT1162ISW
T SOURCE A
+
4
12 T GATE FB
GND A
PV A
5
11 T SOURCE
+
B GATE FB A
+
B GATE DR A
BOOST B
6
PV
10
9
SV
B
7
B GATE DR
B GATE FB
PGND
IN TOP B
IN BOTTOM B
UV OUT B
T GATE DR B
T GATE FB B
8
9
8
NC
OBSOLETE
PART NUMBERS
T SOURCE B
+
10
11
12
N PACKAGE
14-LEAD PDIP
GND B
PV B
B GATE FB B
B GATE DR B
S PACKAGE
LT1162CN
LT1162IN
14-LEAD PLASTIC SO
N PACKAGE
SW PACKAGE
24-LEAD PDIP
24-LEAD PLASTIC SO WIDE
TJMAX = 125°C, θJA = 70°C/ W (N)
TJMAX = 125°C, θJA = 110°C/ W (S)
TJMAX = 125°C, θJA = 58°C/ W (N)
TJMAX = 125°C, θJA = 80°C/ W (SW)
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. Test Circuit, TA = 25°C, V+ = VBOOST = 12V, VTSOURCE = 0V, CGATE
3000pF. Gate Feedback pins connected to Gate Drive pins, unless otherwise specified.
=
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
+
I
DC Supply Current (Note 4)
V
V
V
= 15V, V
= 15V, V
= 15V, V
= 0.8V, V = 2V
INBOTTOM
7
7
7
11
10
11
15
15
15
mA
mA
mA
S
INTOP
INTOP
INTOP
+
+
= 2V, V
= 0.8V
= 0.8V
INBOTTOM
= 0.8V, V
INBOTTOM
+
I
Boost Current (Note 4)
V
V
= 15V, V
= 60V, V
= 0.8V
= 75V,
3
4.5
6
mA
BOOST
TSOURCE
BOOST
= V
INTOP
INBOTTOM
V
V
Input Logic Low
Input Logic High
●
●
●
1.4
1.7
7
0.8
V
V
IL
2
IH
I
Input Current
V
= V
= 4V
25
9.7
8.8
9.8
9.2
µA
V
IN
INTOP
INBOTTOM
+
+
V
V
V
V
V
V
V
V
Undervoltage Start-Up Threshold
Undervoltage Shutdown Threshold
8.4
7.8
8.8
8.2
8.9
8.3
9.3
8.7
UVH
UVL
+
+
V
Undervoltage Start-Up Threshold
Undervoltage Shutdown Threshold
V
V
= 60V (V
= 60V (V
– V
– V
)
)
V
BUVH
BUVL
BOOST
BOOST
TSOURCE
TSOURCE
BOOST
TSOURCE
V
BOOST
TSOURCE
11602fb
2
Linear Systems [ Linear Systems ]
