参数资料
型号: LTC3780EG#PBF
厂商: Linear Technology
文件页数: 2/30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
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Supply Voltage (V IN ) ........................ –0.3V to 36V
Topside Driver Voltages
(BOOST1, BOOST2) .................................. –0.3V to 42V
Switch Voltage (SW1, SW2) ........................ –5V to 36V
INTV CC , EXTV CC , (BOOST – SW1),
(BOOST2 – SW2), PGOOD .......................... –0.3V to 7V
RUN, SS ....................................................... –0.3V to 6V
PLLIN Voltage .......................................... –0.3V to 5.5V
PLLFLTR Voltage ....................................... –0.3V to 2.7V
FCB, STBYMD Voltages........................ –0.3V to INTV CC
I TH , V OSENSE Voltages .............................. –0.3V to 2.4V
Peak Output Current <10μs (TG1, TG2, BG1, BG2) .....3A
INTV CC Peak Output Current ................................. 40mA
Operating Junction Temperature Range (Notes 2, 7)
LTC3780E............................................. –40°C to 85°C
LTC3780I............................................ –40°C to 125°C
LTC3780MP ....................................... –55°C to 125°C
Storage Temperature Range................... –65°C to 125°C
Lead Temperature (Soldering, 10 sec)
SSOP Only ........................................................ 300°C
PIN CONFIGURATION
TOP VIEW
TOP VIEW
PGOOD
1
24 BOOST1
SS 2
SENSE + 3
SENSE – 4
I TH 5
V OSENSE 6
SGND 7
RUN 8
FCB 9
PLLFLTR 10
PLLIN 11
23 TG1
22 SW1
21 V IN
20 EXTV CC
19 INTV CC
18 BG1
17 PGND
16 BG2
15 SW2
14 TG2
SENSE + 1
SENSE – 2
I TH 3
V OSENSE 4
SGND 5
RUN 6
FCB 7
PLLFTR 8
32 31 30 29 28 27 26 25
33
9 10 11 12 13 14 15 16
24 SW1
23 V IN
22 EXTV CC
21 INTV CC
20 BG1
19 PGND
18 BG2
17 SW2
STBYMD 12
13 BOOST2
2
G PACKAGE
24-LEAD PLASTIC SSOP
T JMAX = 125°C, θ JA = 130°C/W
UH PACKAGE
32-LEAD (5mm × 5mm) PLASTIC QFN
T JMAX = 125°C, θ JA = 34°C/W
EXPOSED PAD (PIN 33) IS SGND, MUST BE SOLDERED TO PCB
For more information www.linear.com/LTC3780
3780ff
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