參數(shù)資料
型號： LTC1148LCS-3.3
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
中文描述： SWITCHING CONTROLLER, 250 kHz SWITCHING FREQ-MAX, PDSO14
封裝： 0.150 INCH, PLASTIC, SOP-14
文件頁數(shù)： 19/20頁
文件大?。?/td> 384K
代理商： LTC1148LCS-3.3
19
LTC1148
LTC1148-3.3/LTC1148-5
TYPICAL APPLICATIU
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 represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
S14 0695
1
2
3
4
0.150 – 0.157**
(3.810 – 3.988)
14
13
0.337 – 0.344*
(8.560 – 8.738)
0.228 – 0.244
(5.791 – 6.197)
12
11
10
9
5
6
7
8
0.016 – 0.050
0.406 – 1.270
0.010 – 0.020
(0.254 – 0.508)
×
45
°
0
°
– 8
°
TYP
0.008 – 0.010
(0.203 – 0.254)
0.053 – 0.069
(1.346 – 1.752)
0.014 – 0.019
(0.355 – 0.483)
0.004 – 0.010
(0.101 – 0.254)
0.050
(1.270)
TYP
DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
*
**
1
2
3
4
5
6
7
14
13
12
11
10
9
8
P-DRIVE
NC
V
IN
C
T
INTV
CC
I
TH
SENSE
–
N-DRIVE
NC
PGND
SGND
SHUTDOWN
V
FB
SENSE
+
LTC1148
1
μ
F
1000pF
R
**
0.05
SHUTDOWN
*L
50
μ
H
NDS9410A
D1
MBRS140T3
+
V
5.2V TO 14V
+
C
OUT
220
μ
F
10V
×
2
OS-CON
V
3.3V/2A
OR 5V/2A
C
3300pF
R
C
1k
C
390pF
*COILTRONICS CTX50-2-MP
**KRL SL-1-C1-0R050R
LTC1148 F17
10nF
NDS9435A
C
IN
100
μ
F
20V
100pF
R1B
43k
1%
R2
56k
1%
R1A
33k
1%
VN2222LL
0V: V
OUT
= 3.3V
5V: V
OUT
= 5V
+
Figure 17. Logic Selectable 5V/1A or 3.3V/1A High Efficiency Regulator
N14 1197
0.255
±
0.015*
(6.477
±
0.381)
0.770*
(19.558)
MAX
3
1
2
4
5
6
7
8
9
10
11
12
13
14
0.020
(0.508)
MIN
0.125
(3.175)
MIN
0.130
±
0.005
(3.302
±
0.127)
0.045 – 0.065
(1.143 – 1.651)
0.065
(1.651)
TYP
0.018
±
0.003
(0.457
±
0.076)
0.100
±
0.010
(2.540
±
0.254)
0.005
(0.125)
MIN
0.009 – 0.015
(0.229 – 0.381)
0.300 – 0.325
(7.620 – 8.255)
0.325–0.015
+0.889
–0.381
8.255
(
)
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm)
S Package
14-Lead Plastic Small Outline (Narrow 0.150)
(LTC DWG # 05-08-1610)
N Package
14-Lead PDIP (Narrow 0.300)
(LTC DWG # 05-08-1510)
PACKAGE DESCRIPTIOU
Dimensions in inches (millimeters) unless otherwise noted.
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