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LTC3865EUHTRPBF PDF预览

LTC3865EUHTRPBF

更新时间: 2024-02-02 11:31:50
品牌 Logo 应用领域
凌特 - Linear 控制器
页数 文件大小 规格书
36页 475K
描述
Dual, 2-Phase Synchronous DC/DC Controller with Pin Selectable Outputs

LTC3865EUHTRPBF 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:QFN包装说明:HVQCCN, LCC32,.2SQ,20
针数:32Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.19其他特性:ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 5V
模拟集成电路 - 其他类型:DUAL SWITCHING CONTROLLER控制模式:CURRENT-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:38 V
最小输入电压:4.5 V标称输入电压:15 V
JESD-30 代码:S-PQCC-N32JESD-609代码:e3
长度:5 mm湿度敏感等级:1
功能数量:1端子数量:32
最高工作温度:125 °C最低工作温度:-40 °C
标称输出电压:5 V封装主体材料:PLASTIC/EPOXY
封装代码:HVQCCN封装等效代码:LCC32,.2SQ,20
封装形状:SQUARE封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:0.8 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:PHASE-SHIFT
最大切换频率:880 kHz技术:CMOS
温度等级:AUTOMOTIVE端子面层:Matte Tin (Sn)
端子形式:NO LEAD端子节距:0.5 mm
端子位置:QUAD处于峰值回流温度下的最长时间:30
宽度:5 mm

LTC3865EUHTRPBF 数据手册

 浏览型号LTC3865EUHTRPBF的Datasheet PDF文件第1页浏览型号LTC3865EUHTRPBF的Datasheet PDF文件第2页浏览型号LTC3865EUHTRPBF的Datasheet PDF文件第3页浏览型号LTC3865EUHTRPBF的Datasheet PDF文件第5页浏览型号LTC3865EUHTRPBF的Datasheet PDF文件第6页浏览型号LTC3865EUHTRPBF的Datasheet PDF文件第7页 
LTC3865/LTC3865-1  
elecTrical characTerisTics The l denotes the specifications which apply over the full operating  
junction temperature range, otherwise specifications are at TJ = 25°C. VIN = 15V, VRUN1,2 = 5V unless otherwise noted.  
SYMBOL  
PARAMETER  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
Main Control Loops  
V
V
Input Voltage  
4.5  
38  
V
IN  
Output Voltage Sensing (E-Grade)  
(Note 4) I  
Voltage = 1.2V  
OSENSE1,2  
TH1,2  
l
l
l
l
l
l
l
l
l
VID11 = VID21 = GND, VID12 = VID22 = GND  
VID11 = VID21 = GND, VID12 = VID22 = Float  
VID11 = VID21 = GND, VID12 = VID22 = INTV  
VID11 = VID21 = Float, VID12 = VID22 = GND  
VID11 = VID21 = Float, VID12 = VID22 = Float  
1.089  
0.990  
1.188  
1.485  
0.596  
1.782  
2.463  
3.251  
4.925  
1.100  
1.000  
1.200  
1.500  
0.602  
1.800  
2.500  
3.300  
5.000  
1.111  
1.010  
1.212  
1.515  
0.608  
1.818  
2.538  
3.350  
5.075  
V
V
V
V
V
V
V
V
V
CC  
VID11 = VID21 = Float, VID12 = VID22 = INTV  
CC  
VID11 = VID21 = INTV , VID12 = VID22 = GND  
CC  
CC  
CC  
VID11 = VID21 = INTV , VID12 = VID22 = Float  
VID11 = VID21 = INTV , VID12 = VID22 = INTV  
CC  
Output Voltage Sensing (I-Grade)  
(Note 4) I  
Voltage = 1.2V  
TH1,2  
l
l
l
l
l
l
l
l
l
VID11 = VID21 = GND, VID12 = VID22 = GND  
VID11 = VID21 = GND, VID12 = VID22 = Float  
VID11 = VID21 = GND, VID12 = VID22 = INTV  
VID11 = VID21 = Float, VID12 = VID22 = GND  
VID11 = VID21 = Float, VID12 = VID22 = Float  
1.084  
0.985  
1.182  
1.478  
0.593  
1.773  
2.450  
3.234  
4.900  
1.100  
1.000  
1.200  
1.500  
0.602  
1.800  
2.500  
3.300  
5.000  
1.117  
1.015  
1.218  
1.523  
0.611  
1.827  
2.550  
3.366  
5.100  
V
V
V
V
V
V
V
V
V
CC  
VID11 = VID21 = Float, VID12 = VID22 = INTV  
CC  
VID11 = VID21 = INTV , VID12 = VID22 = GND  
CC  
CC  
CC  
VID11 = VID21 = INTV , VID12 = VID22 = Float  
VID11 = VID21 = INTV , VID12 = VID22 = INTV  
CC  
I
Feedback Current  
(Note 4) VID11 = VID21 = VID12 = VID22 = Float  
–10  
–50  
nA  
OSENSE1,2  
V
V
Reference Voltage Line Regulation  
Output Voltage Load Regulation  
V
= 4.5V to 38V (Note 4)  
0.002  
0.02  
%/V  
REFLNREG  
LOADREG  
IN  
(Note 4)  
Measured in Servo Loop; I Voltage = 1.2V to 0.7V  
Measured in Servo Loop; I Voltage = 1.2V to 1.6V  
l
l
0.01  
–0.01  
0.1  
–0.1  
%
%
TH  
TH  
g
m1,2  
Transconductance Amplifier g  
I = 1.2V; Sink/Source 5µA; (Note 4)  
TH1,2  
2.2  
mmho  
m
I
Input DC Supply Current  
Normal Mode  
Shutdown  
(Note 5)  
IN  
RUN1,2  
Q
V
V
= 15V  
3
30  
mA  
µA  
= 0V  
50  
UVLO  
UVLO  
Undervoltage Lockout on INTV  
UVLO Hysteresis  
V
Ramping Down  
3.3  
0.55  
0.66  
1
V
V
CC  
INTVCC  
HYS  
l
V
Feedback Overvoltage Lockout  
Sense Pins Total Current  
Maximum Duty Cycle  
Measured at V  
with VID Pins Floating  
0.64  
0.68  
2
V
OVL  
OSENSE1,2  
I
(Each Channel); V  
= 3.3V  
SENSE1,2  
µA  
%
SENSE  
DF  
MAX  
In Dropout  
94  
0.9  
1.1  
95  
I
Soft-Start Charge Current  
RUN Pin On Threshold  
RUN Pin On Hysteresis  
RUN Pin Current Hysteresis  
V
= 0V  
1.3  
1.22  
80  
1.7  
µA  
V
TK/SS1,2  
TK/SS1,2  
l
V
V
V
, V Rising  
1.35  
RUN1,2  
RUN1 RUN2  
mV  
µA  
RUN1,2HYS  
RUN1,2HYS  
I
4.5  
l
l
l
l
V
Maximum Current Sense Threshold  
(E-Grade)  
V
V
V
= 3.3V, I = 0V  
24  
44  
30  
50  
36  
56  
mV  
mV  
mV  
mV  
SENSE(MAX)  
ITH1,2  
ITH1,2  
ITH1,2  
LIM  
= 3.3V, I = Float  
LIM  
= 3.3V, I = INTV  
68  
75  
82  
LIM  
CC  
In Overvoltage Condition  
–63  
–53  
–43  
l
l
l
l
Maximum Current Sense Threshold  
(I-Grade)  
V
V
V
= 3.3V, I = 0V  
22  
42  
30  
50  
38  
58  
V
V
V
V
ITH1,2  
ITH1,2  
ITH1,2  
LIM  
= 3.3V, I = Float  
LIM  
= 3.3V, I = INTV  
66  
75  
84  
LIM  
CC  
In Overvoltage Condition  
–65  
–53  
–41  
TG R  
TG R  
BG R  
TG Driver Pull-Up On-Resistance  
TG Driver Pull-Down On-Resistance  
BG Driver Pull-Up On-Resistance  
TG High  
2.6  
1.5  
3
Ω
Ω
UP  
TG Low  
DOWN  
UP  
BG High  
Ω
3865f  

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