LTC143XAC View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC143XAC' PDF : 28 Pages View PDF
LTC1436A
LTC1436A-PLL/LTC1437A
TYPICAL APPLICATIONS
LTC1436A-PLL Low Noise High Efficiency 5V/1A Regulaor
RLP
10k
CLP
0.01µF
RC, 10k
CSS
0.1µF
CC2
51pF
100pF
1
PLL LPF
24
PLLIN
COSC
39pF
2
COSC
3
RUN/SS
23
POR
22
BOOST
CC
510pF
4
5
ITH
SFB
21
TGL
20
SW
6
SGND
19
TGS
7
LTC1436A-PLL
18
VPROG
VIN
EXT CLOCK
250kHz
M3
IRLML2803
CMDSH-3
VIN
5.5V TO 28V
+
M1
IRF7201
CIN
22µF
35V
0.1µF
L1
50µH
1000pF
8
VOSENSE
9 SENSE–
10 SENSE+
17
INVCC
16
BG
15
PGND
+
4.7µF
M2
IRF7201 MBRS140T3
VOUT
ON/OFF
11
AUXON
14
EXTVCC
12
AUXFB
13
AUXDR
47k
VOUT
5V
1A
51pF
SFB = 0V: CONTINUOUS MODE
SFB = 5V: BURST ENABLED
R8
ZETEX
180k
1%
+
FMMT549
22µF
R7
HEAT SINK
56k
1%
RSENSE
0.1Ω
100pF
V1
6.3V
R1
240k
1% +
R2
56k
1%
COUT
100µF
10V
SGND
(PIN 6)
1436 TA07
PACKAGE DESCRIPTION Dimensions in inches (millimeters) unless otherwise noted.
0.015
(0.38
±
±
0.004
0.10)
×
45°
0.0075 – 0.0098
(0.191 – 0.249)
GN Package
24-Lead Plastic SSOP (Narrow 0.150)
(LTC DWG # 05-08-1641)
0° – 8° TYP
0.053 – 0.069
(1.351 – 1.748)
0.004 – 0.009
(0.102 – 0.249)
0.337 – 0.344*
(8.560 – 8.737)
24 23 22 21 20 19 18 17 16 15 14 13
0.016 – 0.050
(0.406 – 1.270)
0.008 – 0.012
(0.203 – 0.305)
* 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
0.025
(0.635)
BSC
0.229 – 0.244
(5.817 – 6.198)
0.150 – 0.157**
(3.810 – 3.988)
1 2 3 4 5 6 7 8 9 10 11 12
GN24 (SSOP) 0595
0.205 – 0.212**
(5.20 – 5.38)
G Package
28-Lead Plastic SSOP (0.209)
(LTC DWG # 05-08-1640)
0.068 – 0.078
(1.73 – 1.99)
0.397 – 0.407*
(10.07 – 10.33)
28 27 26 25 24 23 22 21 20 19 18 17 16 15
0° – 8°
0.005 – 0.009
(0.13 – 0.22)
0.022 – 0.037
(0.55 – 0.95)
0.0256
(0.65)
BSC
*DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
**DIMENSIONS DO NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
0.010 – 0.015
(0.25 – 0.38)
0.002 – 0.008
(0.05 – 0.21)
0.301 – 0.311
(7.65 – 7.90)
1 2 3 4 5 6 7 8 9 10 11 12 13 14
G28 SSOP 0694
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.
27
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