LT1158CS View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LT1158CS' PDF : 20 Pages View PDF
LT1158
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (Pins 2, 10) .................................... 36V
Boost Voltage (Pin 16)............................................ 56V
Continuous Output Currents (Pins 1, 9, 15) ....... 100mA
Sense Voltages (Pins 11, 12)................... –5V to V++5V
Top Source Voltage (Pin 13).................... –5V to V++5V
Boost to Source Voltage (V16 – V13) ....... –0.3V to 20V
Operating Temperature Range
LT1158C ................................................ 0°C to 70°C
LT1158I ............................................ –40°C to 85°C
Junction Temperature (Note 1)
LT1158C .......................................................... 125°C
LT1158I ........................................................... 150°C
Storage Temperature Range ................ –65°C to 150°C
Lead Temperature (Soldering, 10 sec.)................ 300°C
PACKAGE/ORDER INFORMATION
BOOST DR 1
V+ 2
BIAS 3
ENABLE 4
FAULT 5
INPUT 6
GND 7
B GATE FB 8
TOP VIEW
16 BOOST
15 T GATE DR
14 T GATE FB
13 T SOURCE
12 SENSE+
11 SENSE–
10 V+
9 B GATE DR
ORDER PART
NUMBER
LT1158CN
LT1158IN
N PACKAGE
16-LEAD PLASTIC DIP
θJA = 70°C/W
TOP VIEW
BOOST DR 1
V+ 2
BIAS 3
ENABLE 4
FAULT 5
INPUT 6
GND 7
B GATE FB 8
16 BOOST
15 T GATE DR
14 T GATE FB
13 T SOURCE
12 SENSE+
11 SENSE–
10 V+
9 B GATE DR
S PACKAGE
16-LEAD PLASTIC SOL
θJA = 110°C/W
Consult factory for Military grade parts.
LT1158CS
LT1158IS
ELECTRICAL CHARACTERISTICS Test Circuit, TA = 25°C, V+ = V16 = 12V, V11 = V12 = V13 = 0V, Pins 1 and 4
open, Gate Feedback pins connected to Gate Drive pins unless otherwise specified.
SYMBOL PARAMETER
I2 + I10 DC Supply Current (Note 2)
I16
Boost Current
V6
Input Threshold
I6
Input Current
V4
Enable Low Threshold
∆V4
Enable Hysteresis
I4
Enable Pullup Current
V15
Charge Pump Voltage
V9
Bottom Gate “ON” Voltage
V1
Boost Drive Voltage
CONDITIONS
V+ = 30V, V16 = 15V, V4 = 0.5V
V+ = 30V, V16 = 15V, V6 = 0.8V
V+ = 30V, V16 = 15V, V6 = 2V
V+ = V13 = 30V, V16 = 45V, V6 = 0.8V
V6 = 5V
V6 = 0.8V, Monitor V9
V6 = 0.8V, Monitor V9
V4 = 0V
V+ = 5V, V6 = 2V, Pin 16 open, V13 → 5V
V+ = 30V, V6 = 2V, Pin16 open, V13 → 30V
V+ = V16 = 18V, V6 = 0.8V
V+ = V16 = 18V, V6 = 0.8V, 100mA Pulsed Load
LT1158I
LT1158C
MIN TYP MAX MIN TYP MAX UNITS
2.2 3
2.2 3
mA
4.5 7 10 4.5 7 10
mA
8 13 18 8 13 18
mA
3 4.5
3 4.5
mA
q 0.8 1.4 2 0.8 1.4 2
V
q
5 15
5 15
µA
q 0.9 1.15 1.4 0.85 1.15 1.4
V
q 1.3 1.5 1.7 1.2 1.5 1.8
V
q 15 25 35 15 25 35
µA
q 9 11
9 11
V
q 40 43 47 40 43 47
V
q 12 14.5 17 12 14.5 17
V
q 12 14.5 17 12 14.5 17
V
2
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