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參數資料
| 型號： | LT1339CSW |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Octal Buffers/Drivers With 3-State Outputs 20-SOIC 0 to 70 |
| 中文描述： | SWITCHING CONTROLLER, 150 kHz SWITCHING FREQ-MAX, PDSO20 |
| 封裝： | 0.300 INCH, PLASTIC, SO-20 |
| 文件頁數： | 20/20頁 |
| 文件大?。?/td> | 415K |
| 代理商： | LT1339CSW |
20
LT1339
LINEAR TECHNOLOGY CORPORATION 1997
1339fa LT/TP 0299 2K REV A PRINTED IN THE USA
TYPICAL APPLICATIO
N
U
48V to 5V 50A DC/DC Converter with Input Supply Start-Up Protection
RELATED PARTS
PART NUMBER
LT1158
LT1160
LT1162
LT1336
LTC
1530
LTC1435A
LTC1438
LT1680
DESCRIPTION
Half-Bridge N-Channel MOSFET Driver
Half-Bridge N-Channel MOSFET Driver
Dual Half-Bridge N-Channel MOSFET Driver
Half-Bridge N-Channel MOSFET Driver
High Power Step-Down Switching Regulator Controller
High Efficiency, Low Noise Current Mode Step-Down DC/DC Converter
Dual High Efficiency, Low Noise Synchronous Step-Down Controller
High Power DC/DC Current Mode Step-Up Controller
COMMENTS
Current Limit Protection, 100% of Duty Cycle
Up to 60V Input Supply, No Shoot-Through
V
IN
to 60V, Good for Full-Bridge Applications
Smooth Operation at High Duty Cycle (95% to 100%)
Excellent for 5V to 3.xV Up to 50A
Drives Synchronous N-Channel MOSFETs
Tight 1% Reference
High Side Current Sense, Up to 60V Input
SYNC
5V
REF
CT
SL/ADJ
I
AVG
SS
V
C
SGND
V
FB
V
REF
V
BOOST
TG
TS
12V
IN
BG
PGND
PHASE
RUN/SHDN
SENSE
–
SENSE
+
12V
C
12VIN
47
IRFZ44
×
2
IRFZ44
×
4
L1
40
μ
H
V
5V AT 50A
R
FB2
1k
R
FB1
3k
LT1339
+
CBST
1
μ
F
+
C
OUT
2200
F
6.3V,
×
4
+
R
R1
22k
R
R3
51k
R
CT
10k
+
C
2200pF
C
AVG
, 2200pF
C
SS
,
10
μ
F
C
VC
, 2200pF
R
VC
, 4.7k
C
REF
0.1
μ
F
1339 TA01
D1 = IR30BQ060
×
8
Q1, Q3 = FMMT619; Q2, Q4 = FMMT720
L1 = Kool M
μ
, 12T 4X12 ON 77439-A7
Kool M
μ
IS A REGISTERED TRADEMARK OF MAGNETICS, INC.
C
5VREF
1
μ
DBST
IN5819
Q1
Q2
Q3
Q4
D2
MBR0520
D4
IN914
D1
R
S
0.002
C
IN
1500
μ
F
63V,
×
6
+
V
IN
48V
R
R2
1.2k
C
BG
,
1
μ
F
D3
MMSZ4684
R
BG
10k
50mA
48V to 5V Efficiency
OUTPUT CURRENT (AMPS)
0
E
100
95
90
85
80
75
70
65
60
55
50
40
LT1339 TA02
10
20
30
50
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
G
FAX: (408) 434-0507
G
www.linear-tech.com
相關PDF資料 |
PDF描述 |
|---|---|
| LT1339I | Octal Buffers/Drivers With 3-State Outputs 20-SOIC 0 to 70 |
| LT1339IN | Octal Buffers/Drivers With 3-State Outputs 20-PDIP 0 to 70 |
| LT1339ISW | High Power Synchronous DC/DC Controller |
| LT1341 | 5V RS232 Transceiver with One Receiver Active in Shutdown |
| LT1341C | Octal Buffers/Drivers With 3-State Outputs 20-PDIP 0 to 70 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LT1339CSW#PBF | 功能描述:IC REG CTRLR BST PWM CM 20-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標準包裝:2,000 系列:- PWM 型:電流模式 輸出數:1 頻率 - 最大:1MHz 占空比:50% 電源電壓:9 V ~ 10 V 降壓:無 升壓:是 回掃:是 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 85°C 封裝/外殼:8-TSSOP（0.173"，4.40mm 寬） 包裝:帶卷 (TR) |
| LT1339CSW#TR | 功能描述:IC REG CTRLR BST PWM CM 20-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標準包裝:4,500 系列:PowerWise® PWM 型:控制器 輸出數:1 頻率 - 最大:1MHz 占空比:95% 電源電壓:2.8 V ~ 5.5 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:6-WDFN 裸露焊盤 包裝:帶卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名稱:LM1771SSDX |
| LT1339CSW#TRPBF | 功能描述:IC REG CTRLR BST PWM CM 20-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標準包裝:4,500 系列:PowerWise® PWM 型:控制器 輸出數:1 頻率 - 最大:1MHz 占空比:95% 電源電壓:2.8 V ~ 5.5 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:6-WDFN 裸露焊盤 包裝:帶卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名稱:LM1771SSDX |
| LT1339CSWPBF | 制造商:Linear Technology 功能描述:DC-DC Controller High Power Synch. SO20W |
| LT1339CSWTRPBF | 制造商:Linear Technology 功能描述: |
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