參數(shù)資料
型號: LT1683IG
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: Ultralow Noise Push-Pull DC/DC Controller
中文描述: SWITCHING CONTROLLER, 250 kHz SWITCHING FREQ-MAX, PDSO20
封裝: 5.30 MM, PLASTIC, SSOP-20
文件頁數(shù): 23/24頁
文件大?。?/td> 237K
代理商: LT1683IG
23
LT1683
1683f
PACKAGE DESCRIPTIO
U
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.
TYPICAL APPLICATIO
U
Ultralow Noise 48V to
±
12V DC/DC Converter
L1
10
μ
H
C2
33
μ
F
16V,
×
2
C1
33
μ
F
16V,
×
2
MBR01100
L2
10
μ
H
3
10
1683 TA03
11
13
SHDN
CAP A
NFB
LT1683
GND
V
IN
17
14
2
GCL
SS
V5
SYNC
GATE A
5
6
1
C
T
CAP B
18
R
T
GATE B
7
19
8
R
CSL
16
V
C
15
12
R
VSL
CS
4
PGND
20
FB
9
5pF
5pF
Si9422
Si9422
0.068
976
23.2k
10nF
1k
3.3k
25k
25k
3.3k
16.9k
1200pF
47
μ
F
100V
48V
C3
10
μ
F
25V
12V
8.2V
10k
510
0.5W
2N3904
C4
22
μ
F
50V
25pF
22nF
0.22
μ
F
8.66k
1k
2.74k
10.0k
FZT853
5pF
200V
25pF
5pF
200V
–12V/1A
12V/1A
D1
D4
D5
D7
D6
D2
D3
CTX0215542
T1
1
2
3,4
5
6
7
8,9
10
C1, C2:SANYO 16TPC33
C3: MURATA GRM235Y5V106Z
C4: NIPPON THCR60EIE226Z
D1, D2, D3 IN4148
D4, D5, D6, D7 MBRS1100
L1, L2: COOPER DS50224
T1: COOPER CTX02-15542
G Package
20-Lead Plastic SSOP (5.3mm)
(Reference LTC DWG # 05-08-1640)
G20 SSOP 0501
.13 – .22
(.005 – .009)
0
°
– 8
°
.55 – .95
(.022 – .037)
5.20 – 5.38**
(.205 – .212)
7.65 – 7.90
(.301 – .311)
1
2
3
4
5
6
7
8
9 10
7.07 – 7.33*
(.278 – .289)
17
16
18
14 13 12 11
15
19
20
1.73 – 1.99
(.068 – .078)
.05 – .21
(.002 – .008)
.65
(.0256)
BSC
.25 – .38
(.010 – .015)
MILLIMETERS
(INCHES)
DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED .152mm (.006") PER SIDE
DIMENSIONS DO NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED .254mm (.010") PER SIDE
*
**
NOTE:
1. CONTROLLING DIMENSION: MILLIMETERS
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
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