LTC1159CS-3.3 Linear Technology, LTC1159CS-3.3 Datasheet - Page 16

• Manufacturer Part Number: LTC1159CS-3.3
• Description: IC SW REG STEP-DOWN 3.3V 16-SOIC
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC1159CS-3.3

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 3.3V
• Current - Output: 50mA
• Frequency - Switching: 250kHz
• Voltage - Input: 4 ~ 40 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

LTC1159
LTC1159-3.3/LTC1159-5
TYPICAL APPLICATIO S
16
+
+
1N4148
1 F
0.1 F
3.3 F
270pF
1k
1N4148
1000pF
0.1 F
0.15 F
3300pF
2k
0.047 F
**KRL SL-1/2-R040J
*COILTRONICS CTX20-4
1
2
3
4
5
6
7
8
0.15 F
P-GATE
V
V
P-DRIVE
V
C
I
SENSE
TH
IN
CC
CC
T
Figure 11. 5:1 Input Range (4V to 20V) High Efficiency 3.3V/2.5A Regulator
10k
LTC1159-3.3
–
Figure 10. High Efficiency 8V to 20V Input 2.5/5A Output Regulator
**KRL SL-1-R020J
*MAGNETICS 77120-A7 CORE, 16T 18GA. WIRE
1
2
3
4
5
6
7
8
U
P-GATE
V
V
P-DRIVE
V
C
I
SENSE
TH
SENSE
EXTV
N-GATE
IN
CC
CC
T
SHDN2
SHDN1
PGND
SGND
1N4148
CAP
CC
–
LTC1159
+
16
15
14
13
12
11
10
9
SENSE
EXTV
N-GATE
SHDN2
PGND
SGND
1N4148
CAP
V
CC
FB
4V TO 20V
0.01 F
+
SHUTDOWN
V
16
15
14
13
12
11
10
9
IN
Si9435DY
Si9410DY
5V
100pF
1000pF
SHUTDOWN
+
IRF7201
MBRS130LT3
47 F
25V
OS-CON
10k
1%
8V TO 20V
100
100
V
IN
IRF7205
IRF7201
BAT85
10k
1%
0.1 F
15 H
VN2222LL
L*
20 H
0.22 F
+
MBRS330
L*
47 F
25V 2
OS-CON
+
3
1
BAT85
BAT85
1 F
R
0.02
SENSE
3
1
**
2
R
0.04
SENSE
4
LTC1159 • F10
+
**
2
4
LTC1159 • F11
1 F
WIMA
330 F
6.3V 3
AVX
+
V
2.5V/5A
OUT
330 F
6.3V 2
AVX
V
3.3V/2.5A
OUT