LT1158ISW#TRPBF Linear Technology, LT1158ISW#TRPBF Datasheet - Page 17
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LT1158ISW#TRPBF
Manufacturer Part Number
LT1158ISW#TRPBF
Description
IC MOSFET DVR 1/2BRDG NCH 16SOIC
Manufacturer
Linear Technology
Datasheet
1.LT1158CNPBF.pdf
(22 pages)
Specifications of LT1158ISW#TRPBF
Configuration
Half Bridge
Input Type
PWM
Current - Peak
500mA
Number Of Configurations
1
Number Of Outputs
2
High Side Voltage - Max (bootstrap)
56V
Voltage - Supply
5 V ~ 30 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
16-SOIC (0.300", 7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Delay Time
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
TYPICAL APPLICATIONS
V
R
3.3k
OUT
X
(1%)
L1: COILTRONICS
R
CONSTANT OFF TIME CURRENT MODE CONTROL LOOP
FREQUENCY =
S
24k
: VISHAY/DALE TYPE LVR-3
CTX50-5-52
VISHAY/ULTRONIX RCS01, SM1
ISOTEK CORP. ISA-PLAN SMR
0.01μF
2.90V
806Ω
1000pF
CMOS
ON/OFF
1
2
3
4
1
2
3
4
100k
100k
t
LT1431
3.05V
1.10k
OFF
CMOS
1
555
(
16k
1 –
2N2222
VP0300
INSERT FOR
ZERO POWER
SHUTDOWN
3.30V
1.62k
V
V
OUT
Figure 12. High Effi ciency 5V Step-Down Switching Regulator (Requires No Heatsinks)
IN
8
7
6
5
8
7
6
5
)
3.45V
1.91k
WHERE t
Figure 11. 5V to 3.XXV,15A Converter (Uses PC Board Area for Heatsink)
0.33μF
200pF
4.99k
3.60V
2.21k
1%
OFF
+
1%
24k
R
≈ 10μs
X
10μF
Q1, Q2: MTB75N05HD (USE WITH 10V TO 15V DRIVER SUPPLY)
CMOS 555: LMC555 OR TLC555
0.01μF
1000pF
DRIVER SUPPLY 10V TO 15V
(CAN BE POWERED FROM V
WITH LOGIC-LEVEL Q1, Q2)
SHUTDOWN
+
1
2
3
4
5
6
7
8
MTB75N03HDL (USE WITH V
0.01μF
10μF
BOOST DR
V
BIAS
ENABLE
FAULT
INPUT
GND
B GATE FB
470pF
+
1
2
3
4
5
6
7
8
BOOST DR
V
BIAS
ENABLE
FAULT
INPUT
GND
B GATE FB
LT1158
+
1N4148
B GATE DR
T GATE DR
T SOURCE
T GATE FB
SEE FIGURE 4 FOR EFFICIENCY CURVE
IN
SENSE
SENSE
LT1158
BOOST
IN
V
+
–
+
DRIVER SUPLY)
T GATE DR
B GATE DR
T GATE FB
T SOURCE
16
15
14
13
12
11
10
9
SENSE
SENSE
BOOST
0.1μF
V
+
–
+
510Ω
16
15
14
13
12
11
10
9
100Ω
100Ω
0.05μF
0.22μF
BAS16
IRFZ34
IRFZ44
510k
1N4148
500k
1k
L1: COILTRONICS CTX02-12171-1
R
S
: KRL/BANTRY SL-1R010J 2
8V TO 20V INPUT
+
50μH
L1
Q2
Q1
V
+
1
2
3
4
IN
8μH
4.5V TO 6V
500μF
LOW ESR
L1
+
220μF
10V
OS-CON 4
20mΩ
LT1431
R
SHORT-CIRCUIT
CURRENT = 22A
+
S
0.01Ω
R
EA
–
S
SHORT-CIRCUIT
CURRENT = 6A
+
8
7
6
5
LT1158
–
1000μF
LOW ESR
+
+5V/4A
OUTPUT
LT1158 F12
17
330μF
6.3V
AVX 4
LT1158 F11
1158fb
V
15A
OUT