参数资料
型号: LT1305CS8#PBF
厂商: Linear Technology
文件页数: 2/8页
文件大小: 0K
描述: IC REG BOOST 5V 0.4A 8SOIC
标准包装: 100
类型: 升压(升压)
输出类型: 固定
输出数: 1
输出电压: 5V
输入电压: 1.8 V ~ 10 V
PWM 型: Burst Mode?
电流 - 输出: 400mA
同步整流器:
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 管件
供应商设备封装: 8-SOIC
产品目录页面: 1326 (CN2011-ZH PDF)
LT1305
A BSOLUTE
A XI U
R A TI G S
PACKAGE/ORDER I FOR ATIO
V IN Voltage .............................................................. 10V
SW1 Voltage ............................................................ 25V
FB Voltage ............................................................... 10V
Shutdown Voltage ................................................... 10V
LBO Voltage ............................................................. 10V
LBI Voltage .............................................................. 10V
GND 1
LBO 2
SHDN 3
FB 4
TOP VIEW
8
7
6
5
PGND
SW
V IN
LBI
ORDER PART
NUMBER
LT1305CS8
Maximum Power Dissipation ............................. 500mW
Operating Temperature Range ..................... 0 ° C to 70 ° C
Storage Temperature Range ................. – 65 ° C to 150 ° C
Lead Temperature (Soldering, 10 sec).................. 300 ° C
S8 PACKAGE
8-LEAD PLASTIC SO
T JMAX = 100 ° C, θ JA = 80 ° C/ W
S8 PART MARKING
1305
Consult factory for Industrial and Military grade parts.
ELECTRICAL C HARA C TERISTICS
T A = 25 ° C, V IN = 2.0V, unless otherwise noted.
SYMBOL
I Q
V IN
PARAMETER
Quiescent Current
Input Voltage Range
CONDITIONS
V SHDN = 0.5V, V FB = 2V
V SHDN = 1.8V
q
q
MIN
1.8
TYP
120
7
1.55
MAX
200
15
UNITS
μ A
μ A
V
q
2.0
V
Feedback Voltage
Comparator Hysteresis
q
q
1.22
1.24
6
1.26
12.5
V
mV
Feedback Pin Bias Current
Oscillator Frequency
V FB = 1V
Current Limit Not Asserted
q
120
7
155
20
185
nA
kHz
Oscillator TC
0.2
%/ ° C
DC
t ON
Maximum Duty Cycle
Switch On Time
Output Line Regulation
Current Limit Not Asserted
1.8V < V IN < 6V
q
q
75
86
5.6
0.06
95
0.15
%
μ s
%/V
V CESAT
Switch Saturation Voltage
Switch Leakage Current
Peak Switch Current
I SW = 1A
V SW = 5V, Switch Off
V IN = 2V
q
q
1.35
140
0.1
2
280
10
2.35
mV
μ A
A
V IN = 5V
q
1.20
1.15
2.50
2.15
A
A
V SHDNH
LBI Trip Voltage
LBI Input Bias Current
LBO Output Low
LBO Leakage Current
Shutdown Pin High
(Note 2)
V LBI = 1V
I LOAD = 100 μ A
V LBI = 1.3V, V LBO = 5V
q
q
q
q
q
1.21
1.8
1.24
7
0.11
0.1
1.27
20
0.4
5
V
nA
V
μ A
V
V SHDNL
Shutdown Pin Low
0.5
V
I SHDN
Shutdown Pin Bias Current
V SHDN = 5V
V SHDN = 2V
V SHDN = 0V
q
q
q
8.0
3.0
0.1
20
1
μ A
μ A
μ A
The q denotes specifications which apply over the 0 ° C to 70 ° C operating
temperature range.
Note 1: Hysteresis specified is DC. Output ripple may be higher if output
capacitance is insufficient or capacitor ESR is excessive.
2
Note 2: Low-battery detector comparator is inoperative when device is in
shutdown.
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