LTC1149CS-5 Linear Technology, LTC1149CS-5 Datasheet - Page 19

• Manufacturer Part Number: LTC1149CS-5
• Description: IC SW REG STEP-DOWN 5V 16-SOIC
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC1149CS-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: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
TYPICAL APPLICATIO S
PACKAGE DESCRIPTIO
+
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm)
12V TO 36V
3.3 F
(0.229 – 0.381)
(7.620 – 8.255)
0.300 – 0.325
0.009 – 0.015
0.325
8.255
V
+0.889
–0.381
+0.035
–0.015
IN
0.1 F
820pF
(0.508)
0.020
MIN
1k
3300pF
(3.302 0.127)
0.130 0.005
Figure 16. 25W High Efficiency Regulator Using N-Channel MOSFET Switches
(3.175)
0.125
MIN
**DALE LVR-3-0.02
*COILTRONICS CTX50-5-52
Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However,
no responsibility is assumed for its use. Linear Technology Corporation makes no representation that
the interconnection of its circuits as described herein will not infringe on existing patent rights.
1
2
3
4
5
6
7
8
PGATE
V
V
PDRIVE
V
C
I
SENSE
TH
IN
CC
CC
T
(2.540 0.254)
0.100 0.010
U
LTC1149-5
–
1N4148
U
SENSE
SHDM2
SHDN1
NGATE
RGND
PGND
SGND
Dimensions in inches (millimeters) unless otherwise noted.
CAP
+
(1.143 – 1.651)
0.045 – 0.065
16-Lead PDIP (Narrow 0.300)
16
15
14
13
12
11
10
9
SEE APPLICATIONS INFORMATION TO SUPPRESS
Burst Mode
(LTC DWG # 05-08-1510)
VN2222LL
N Package
1000pF
TM
0V = NORMAL
>2V = SHUTDOWN
OPERATION AT LOW CURRENTS
10k
2N3906
(0.457 0.076)
0.018 0.003
MUR110
(1.651)
470
0.065
TYP
100
100
2N2222
(6.477 0.381)
220
0.255 0.015*
LTC1149-3.3/LTC1149-5
0.1 F
MTP30N06EL
IRFZ44
16
1
+
15
2
1000 F
63V
50 H
14
MBR380
3
L*
13
4
(19.558)
0.770*
MAX
R
0.02
SENSE
12
5
LTC1149
**
11
6
+
1149 F16
19
10
7
220 F
10V 2
OS-CON
V
5V/5A
OUT
N16 1197
9
8