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LTC1265CS-5#PBF PDF预览

LTC1265CS-5#PBF

更新时间: 2024-02-19 11:58:42
品牌 Logo 应用领域
凌特 - Linear 转换器稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数 文件大小 规格书
16页 230K
描述
LTC1265 - 1.2A, High Efficiency Step-Down DC/DC Converter; Package: SO; Pins: 14; Temperature Range: 0°C to 70°C

LTC1265CS-5#PBF 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Active包装说明:SOP,
针数:14Reach Compliance Code:compliant
风险等级:5.29模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:CURRENT-MODE控制技术:CONSTANT OFF TIME
最大输入电压:12 V最小输入电压:5.4 V
标称输入电压:10 VJESD-30 代码:R-PDSO-G14
JESD-609代码:e3长度:8.65 mm
湿度敏感等级:1功能数量:1
端子数量:14最高工作温度:70 °C
最低工作温度:最大输出电流:1.2 A
标称输出电压:5 V封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:1.75 mm
最大供电电流 (Isup):2.4 mA表面贴装:YES
切换器配置:BUCK最大切换频率:700 kHz
技术:CMOS温度等级:COMMERCIAL
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:3.9 mm

LTC1265CS-5#PBF 数据手册

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LTC1265/LTC1265-3.3/LTC1265-5  
W W  
U W  
U
W U  
ABSOLUTE MAXIMUM RATINGS  
PACKAGE/ORDER INFORMATION  
(Voltages Refer to GND Pin) (Note 1)  
ORDER  
Input Supply Voltage (Pins 1, 2, 13)..........0.3V to 13V  
DC Switch Current (Pin 14) .................................... 1.2A  
Peak Switch Current (Pin 14) ................................. 1.6A  
Switch Voltage (Pin 14) ..................................VIN – 13.0  
Operating Temperature Range  
LTC1265C ............................................... 0° to 70°C  
LTC1265I ........................................ 40°C to 85°C  
Junction Temperature (Note 2)............................. 125°C  
Storage Temperature Range ....................65° to 150°C  
Lead Temperature (Soldering, 10 sec).................. 300°C  
TOP VIEW  
PART NUMBER  
PWR V  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
SW  
IN  
IN  
V
PWR V  
PGND  
SGND  
SHDN  
IN  
LTC1265CS  
LB  
OUT  
LTC1265CS-5  
LTC1265CS-3.3  
LTC1265IS  
LB  
IN  
C
T
I
N/C (V *)  
FB  
TH  
+
SENSE  
8
SENSE  
S PACKAGE  
14-LEAD PLASTIC SO  
*ADJUSTABLE OUTPUT VERSION  
= 125°C, θ = 110°C/W  
T
JMAX  
JA  
Consult factory for Military grade parts.  
ELECTRICAL CHARACTERISTICS The denotes the specifications which apply over the full operating  
temperature range, otherwise specifications are at TA = 25°C. VIN = 10V, VSHDN = 0V, unless otherwise specified.  
SYMBOL  
PARAMETER  
CONDITIONS  
LTC1265  
MIN  
TYP  
MAX  
UNITS  
I
Feedback Current into Pin 9  
Feedback Voltage  
0.2  
1
µA  
FB  
V
LTC1265C  
1.22  
1.20  
1.25  
1.25  
1.28  
1.30  
V
V
FB  
V
= 9V, LTC1265I  
IN  
V
Regulator Output Voltage  
LTC1265-3.3: I  
= 800mA  
LOAD  
3.22  
4.9  
3.3  
5
3.40  
5.2  
V
V
OUT  
LTC1265-5: I  
= 800mA  
LOAD  
V  
Output Voltage Line Regulation  
Output Voltage Load Regulation  
V
= 6.5V to 10V, I = 800mA  
LOAD  
–40  
0
40  
mV  
OUT  
IN  
LTC1265-3.3: 10mA < I  
LTC1265-5: 10mA < I  
< 800mA  
40  
60  
65  
100  
mV  
mV  
LOAD  
< 800mA  
LOAD  
Burst Mode Operation Output Ripple  
Input DC Supply Current (Note 3)  
I
= 0mA  
50  
mV  
P-P  
LOAD  
I
Active Mode: 3.5V < V < 10V  
Sleep Mode: 3.5V < V < 10V  
Sleep Mode: 5V < V < 10V (LTC1265-5)  
Shutdown: V  
1.8  
160  
160  
5
2.4  
230  
230  
15  
mA  
µA  
µA  
µA  
Q
IN  
IN  
IN  
= V , 3.5V < V < 10V  
SHDN  
IN  
IN  
V
Low-Battery Trip Point  
Current into Pin 4  
1.15  
0.5  
1.25  
1.35  
0.5  
V
LBTRIP  
I
I
µA  
LBIN  
Current Sunk by Pin 3  
V
V
= 0.4V, V = 0V  
LBIN  
1.0  
1.5  
1.0  
mA  
µA  
LBOUT  
LBOUT  
LBOUT  
= 5V, V  
= 10V  
LBIN  
V – V  
Current Sense Threshold Voltage  
LTC1265: V  
V
LTC1265-3.3: V  
= 5V, V = V /4 + 25mV (Forced)  
25  
150  
25  
150  
25  
mV  
mV  
mV  
mV  
mV  
mV  
8
7
SENSE  
9
OUT  
= 5V, V = V /4 – 25mV (Forced)  
130  
130  
130  
180  
180  
180  
SENSE  
9
OUT  
= V  
= V  
OUT  
+ 100mV (Forced)  
– 100mV (Forced)  
+ 100mV (Forced)  
– 100mV (Forced)  
SENSE  
OUT  
V
SENSE  
OUT  
LTC1265-5: V  
V
= V  
SENSE  
SENSE  
= V  
150  
OUT  
R
ON Resistance of Switch  
LTC1265C  
LTC1265I  
0.3  
0.3  
0.60  
0.70  
ON  
I
t
C Pin Discharge Current  
V
V
in Regulation, V  
= 0V  
= V  
OUT  
40  
60  
2
100  
10  
µA  
µA  
5
T
OUT  
OUT  
SENSE  
Switch Off Time (Note 4)  
C = 390pF, I  
C = 390pF, I  
= 800mA (LTC1265C)  
= 800mA (LTC1265I)  
4
3.5  
5
5
6
7
µs  
µs  
OFF  
T
LOAD  
LOAD  
T
2

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