参数资料
型号: LTC3780EG#PBF
厂商: Linear Technology
文件页数: 30/30页
文件大小: 0K
描述: IC REG CTRLR BST PWM CM 24-SSOP
标准包装: 59
PWM 型: 电流模式
输出数: 1
频率 - 最大: 440kHz
占空比: 99%
电源电压: 4 V ~ 36 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 24-SSOP(0.209",5.30mm 宽)
包装: 管件
产品目录页面: 1336 (CN2011-ZH PDF)
LTC3780
TYPICAL APPLICATION
R C
100k
SENSE +
SENSE –
SGND
BG1
RUN
PGND
FCB
BG2
PLLFLTR
SW2
PLLIN
TG2
STBYMD BOOST2
V PULLUP
+
Si7884DP
C SS
0.022μF
C C1
0.01μF
R1
C C2
47pF
8.06k, 1% R2 113k, 1%
ON/OFF
10k
2V
C STBYMD
0.01μF
68pF
1
2
3
4
5
6
7
8
9
10
11
12
R PU
24
PGOOD BOOST1
23
SS TG1
LTC3780
22
SW1
21
V IN
20
I TH EXTV CC
19
V OSENSE INTV CC
18
17
16
15
14
13
100
100
C A
0.22μF
D A
BO540W
D B
BO540W
10
C F 0.1μF
C VCC 4.7μF
9m
C B 0.22μF
22μF
16V, X7R
× 3
D
D2
B320A
C
Si7884DP L
4.7μH
B D1
Si7884DP B340A
A
Si7884DP
3.3μF
50V, X5R
× 3
3780 TA02
V OUT
12V
5A
C OUT
330μF
16V
C IN
22μF
35V
V IN
5V TO 32V
Figure 13. LTC3780 12V/5A, Buck-Boost Regulator
RELATED PARTS
PART NUMBER
DESCRIPTION
38V High Efficiency Synchronous 4-Switch Buck-Boost
DC/DC Controller
60V High Efficiency Synchronous 4-Switch Buck-Boost
DC/DC Controller
80V High Efficiency Synchronous 4-Switch Buck-Boost
DC/DC Controller
10V High Efficiency Synchronous 4-Switch Buck-Boost
DC/DC Controller
15V, 2.5A Synchronous Buck-Boost DC/DC Converter
40V, 2A Synchronous Buck-Boost DC/DC Converter
High Efficiency Buck-Boost DC/DC μModule ?
High Efficiency Buck-Boost DC/DC μModule
COMMENTS
4V ≤ V IN ≤ 38V, 0.8V ≤ V OUT ≤ 38V 4mm × 5mm QFN-28, SSOP-28
4.7V ≤ V IN ≤ 60V, 1.2V ≤ V OUT ≤ 30V TSSOP-38
2.8V ≤ V IN ≤ 80V, 1.3V ≤ V OUT ≤ 80V 5mm × 7mm QFN-38,
TSSOP-38
2.7V ≤ V IN ≤ 10V, 2.7V ≤ V OUT ≤ 10V 4mm × 4mm QFN-24
2.7V ≤ V IN ≤ 15V, 2.5V ≤ V OUT ≤ 14V 4mm × 5mm DFN-16,
TSSOP-20
2.7V ≤ V IN ≤ 40V, 2.7V ≤ V OUT ≤ 40V 4mm × 5mm DFN-16,
TSSOP-20
4.5V ≤ V IN ≤ 36V, 0.8V ≤ V OUT ≤ 25V 15mm × 15mm × 2.8mm
4.5V ≤ V IN ≤ 36V, 0.8V ≤ V OUT ≤ 34V 15mm × 15mm × 2.8mm
3780ff
1630 McCarthy Blvd., Milpitas, CA 95035-7417 For more (408) 432-1900 ● FAX : (408) 434-0507 Corporation information
LT 0413 REV F ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2005
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