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参数资料
| 型号： | LT1110CS8#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK BOOST ADJ 0.4A 8SOIC |
| 标准包装： | 100 |
| 类型： | 降压（降压），升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 可调 |
| 输入电压： | 1 V ~ 30 V |
| 频率 - 开关： | 70kHz |
| 电流 - 输出： | 400mA |
| 同步整流器： | 无 |
| 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 |
LT1110
A BSOLUTE
A XI U
R A TI G S
PACKAGE/ORDER I FOR ATIO
Supply Voltage, Step-Up Mode ................................ 15V
Supply Voltage, Step-Down Mode ........................... 36V
SW1 Pin Voltage ...................................................... 50V
SW2 Pin Voltage ......................................... – 0.5V to V IN
Feedback Pin Voltage (LT1110) .............................. 5.5V
Switch Current ........................................................ 1.5A
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
TOP VIEW
I LIM 1 8 FB (SENSE)*
V IN 2 7 SET
SW1 3 6 A0
SW2 4 5 GND
N8 PACKAGE
8-LEAD PLASTIC DIP
*FIXED VERSIONS
T JMAX = 90 ° C, θ JA = 130 ° C/W
TOP VIEW
ORDER PART
NUMBER
LT1110CN8
LT1110CN8-5
LT1110CN8-12
LT1110CS8
I LIM 1
V IN 2
SW1 3
SW2 4
8
7
6
5
FB (SENSE)*
SET
A0
GND
LT1110CS8-5
LT1110CS8-12
S8 PART MARKING
S8 PACKAGE
8-LEAD PLASTIC SOIC
*FIXED VERSIONS
T JMAX = 90 ° C, θ JA = 150 ° C/W
Consult factory for Industrial and Military grade parts.
ELECTRICAL C HARA C TERISTICS T A = 25 ° C, V IN = 1.5V, unless otherwise noted.
1110
11105
11012
SYMBOL
I Q
PARAMETER
Quiescent Current
CONDITIONS
Switch Off
q
MIN
TYP
300
MAX
UNITS
μ A
V IN
Input Voltage
Step-Up Mode
q
1.15
12.6
V
1.0
12.6
V
Step-Down Mode
q
30
V
Comparator Trip Point Voltage
LT1110 (Note 1)
q
210
220
230
mV
V OUT
Output Sense Voltage
Comparator Hysteresis
Output Hysteresis
LT1110-5 (Note 2)
LT1110-12 (Note 2)
LT1110
LT1110-5
q
q
q
q
4.75
11.4
5.00
12.00
4
90
5.25
12.6
8
180
V
V
mV
mV
LT1110-12
q
200
400
mV
f OSC
Oscillator Frequency
q
52
70
90
kHz
DC
t ON
I FB
I SET
V AO
Duty Cycle
Switch ON Time
Feedback Pin Bias Current
Set Pin Bias Current
AO Output Low
Reference Line Regulation
Full Load (V FB < V REF )
LT1110, V FB = 0V
V SET = V REF
I AO = –300 μ A, V SET = 150mV
1.0V ≤ V IN ≤ 1.5V
q
q
q
q
q
q
62
7.5
69
10
70
100
0.15
0.35
78
12.5
150
300
0.4
1.0
%
μ s
nA
nA
V
%/V
1.5V ≤ V IN ≤ 12V
q
0.05
0.1
%/V
2
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