参数资料
型号: LTC3814IFE-5#TRPBF
厂商: Linear Technology
文件页数: 30/30页
文件大小: 0K
描述: IC REG CTRLR BST PWM CM 16-TSSOP
标准包装: 2,500
PWM 型: 电流模式
输出数: 1
频率 - 最大: 1MHz
占空比: 90%
电源电压: 4.5 V ~ 55 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 16-TSSOP(0.173",4.40mm)裸露焊盘
包装: 带卷 (TR)
LTC3814-5
TYPICAL APPLICATION
24V Input Voltage to 50V/5A
V IN
143k
V OUT
R OFF
806k
R NDRV
100k
M3
ZXMN10A07F
C IN1
68μF
50V
C IN2
1μF
50V
V IN
12V* TO 40V
I OFF
EXTV CC
PGOOD
150k
10k
100k
C SS
1000pF
C OFF
100pF
1
2
3
4
5
6
7
8
BOOST
LTC3814-5
V OFF TG
V RNG SW
PGOOD
I TH PGND
V FB
BG
RUN/SS INTV CC
SGND
NDRV
16
15
14
13
12
11
10
9
C B
0.1μF
C DRVCC
0.1μF
D B
BAS19
L1
10μH
M2
Si7850DP
PGND
M1
Si7850DP
D1
B1100
C OUT1
220μF
63V
× 2
V OUT
50V
5A
C OUT2
10μF
100V
× 2
R FB2
C C2
330pF
R C
300k
C C1
150pF
SGND
R FB1
C V CC
1μF
PGND
499 Ω
30.9k
38145 TA02
*I OUT(MAX) = 2A AT V IN = 12V
RELATED PARTS
PART NUMBER
LTC3786
LTC3787
LTC3788/LTC3788-1
LTC3862/LTC3862-1
LTC3813
DESCRIPTION
Low I Q Synchronous Boost Controller
2-Phase, Single Output Synchronous Step-Up
Controller
2-Phase, Dual Output Synchronous Step-Up Controller
2-Phase Current Mode Step-Up DC/DC Controller
100V Maximum V OUT Synchronous Step-Up DC/DC
Controller
COMMENTS
2.5V ≤ V IN ≤ 38V, V OUT up to 60V, Fixed Operating Frequency 50kHz to
900kHz, MSOP-16E, 3mm × 3mm QFN-16
2.5V ≤ V IN ≤ 38V, V OUT up to 60V, 50kHz to 900kHz, SSOP-28,
4mm × 5mm QFN-28
2.5V ≤ V IN ≤ 38V, V OUT up to 60V, 50kHz to 900kHz, SSOP-28
4V ≤ V IN ≤ 36V, 5V or 10V Gate Drive, 75kHz to 500kHz
No R SENSE , Large 1Ω Gate Driver, Adjustable Off-Time, SSOP-28
LTC1871, LTC1871-1, Wide Input Range, No R SENSE Low Quiescent Current
Adjustable Switching Frequency, 2.5V ≤ V IN ≤ 36V, Burst Mode Operation
(408) 432-1900 ● FAX: (408) 434-0507 www.linear.com
LTC1871-7
LT3757
LT3758
30
Flyback, Boost and SEPIC Controller
Boost, Flyback, SEPIC and Inverting Controller
Boost, Flyback, SEPIC and Inverting Controller
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
at Light Load, MSOP-10
2.9V ≤ V IN ≤ 40V, 100kHz to 1MHz Programmable Operation Frequency,
3mm × 3mm DFN-10 and MSOP-10E
5.5V ≤ V IN ≤ 100V, 100kHz to 1MHz Programmable Operation Frequency,
3mm × 3mm DFN-10 and MSOP-10E
38145fc
LT 0111 REV C ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2007
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