LTC1149CN-5 Linear Technology, LTC1149CN-5 Datasheet - Page 17

• Manufacturer Part Number: LTC1149CN-5
• Description: IC SW REG STEP-DOWN 5V 16-DIP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC1149CN-5

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 5V
• Current - Output: 50mA
• Frequency - Switching: 250kHz
• Voltage - Input: 0 ~ 48 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 16-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

TYPICAL APPLICATIO S
+
+
1 F
1 F
1N4148
1N4148
180pF
0.047 F
220pF
0.047 F
Figure 12. Ultra Wide Input Range (5.5V to 25V) High Efficiency 5V Regulator
1k
1k
0.068 F
3300pF
Figure 13. 250kHz High Efficiency 12V Input 5V/2A Output Regulator
0.068 F
3300pF
**KRL SL-1-C1-0R050J
U
**KRL SL-1-C1-0R050J
*DALE LPE-6562-220MB
*COILTRONICS CTX33-4 Kool M
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
PGATE
V
V
PDRIVE
V
C
I
SENSE
PGATE
V
V
PDRIVE
V
C
I
SENSE
TH
TH
IN
CC
CC
T
IN
CC
CC
T
LTC1149-5
–
LTC1149-5
–
SENSE
SENSE
SHDN2
SHDN1
NGATE
SHDN2
SHDN1
NGATE
S-GND
RGND
PGND
SGND
RGND
PGND
1N4148
CAP
1N4148
CAP
+
+
16
15
14
13
12
11
10
9
16
15
14
13
12
11
10
9
1000pF
5.5V TO 25V
1000pF
8V TO 16V
SHUTDOWN
SHUTDOWN
V
V
IN
IN
Si9430DY
Si9410DY
Si9435DY
Si9410DY
22 H
33 H
L*
L*
LTC1149-3.3/LTC1149-5
1N5818
1N5818
+
+
R
R
100 F
25V
0.05
220 F
35V
0.05
SENSE
SENSE
**
**
1149 F13
1149 F12
+
+
220 F
10V
AVX
LTC1149
220 F
10V 2
AVX
V
5V/2A
V
5V/2A
OUT
OUT
17