参数资料
型号: LT1107CS8#TRPBF
厂商: Linear Technology
文件页数: 2/16页
文件大小: 0K
描述: IC REG BUCK BOOST INV ADJ 8SOIC
标准包装: 2,500
类型: 降压(降压),升压(升压),反相
输出类型: 可调式
输出数: 1
输出电压: 可调
输入电压: 2 V ~ 30 V
频率 - 开关: 63kHz
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: 带卷 (TR)
供应商设备封装: 8-SOIC
LT1107
A BSOLUTE
A XI U
R A TI G S
(Note 1)
Supply Voltage (V IN ) ............................................... 36V
SW1 Pin Voltage (V SW1 ) ......................................... 50V
SW2 Pin Voltage (V SW2 ) ............................ – 0.5V to V IN
Feedback Pin Voltage (LT1107) ................................ 5V
Sense Pin Voltage (LT1107-5, LT1107-12) ............ 36V
Maximum Power Dissipation ............................ 500mW
Set Pin Voltage ...................................................... 5.5V
PACKAGE/ORDER I FOR ATIO
Maximum Switch Current ...................................... 1.5A
Operating Temperature Range
LT1107C ................................................ 0 ° C to 70 ° C
LT1107I ............................................ –45 ° C to 85 ° C
LT1107M (OBSOLETE) ............... – 55°C to 125°C
Storage Temperature Range ................. – 65 ° C to 150 ° C
Lead Temperature (Soldering, 10 sec).................. 300 ° C
I LIM 1
TOP VIEW
8
FB (SENSE)*
ORDER PART
NUMBER
ORDER PART
NUMBER
V IN 2
7
SET
LT1107CN8
TOP VIEW
LT1107CS8
SW1 3
SW2 4
N8 PACKAGE
6
5
AO
GND
LT1107CN8-5
LT1107CN8-12
I LIM 1
V IN 2
SW1 3
8 FB(SENSE)*
7 SET
6 AO
LT1107CS8-5
LT1107CS8-12
LT1107IS8
8-LEAD PLASTIC DIP
* FIXED VERSIONS
T JMAX = 90 ° C, θ JA = 130 ° C/W (N)
SW2 4
S8 PACKAGE
5 GND
S8 PART MARKING
LT1107MJ8
LT1107MJ8-5
J8 PACKAGE
8-LEAD CERAMIC DIP
T JMAX = 150 ° C, θ JA = 120 ° C/W (J)
LT1107MJ8-12
OBSOLETE PACKAGE
8-LEAD PLASTIC SO
*FIXED VERSIONS
T JMAX = 90 ° C, θ JA = 150 ° C/W
1107
11075
110712
1107I
Consider the N8 Package for Alternate Source
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL C HARA C TERISTICS The q denotes the specifications which apply over the full operating
temperature range, V IN = 3V, military or commercial version, T A = 25 ° C, unless otherwise noted.
SYMBOL
I Q
PARAMETER
Quiescent Current
Quiescent Current, Step-Up Mode Configuration
CONDITIONS
Switch OFF
No Load
LT1107-5
LT1107-12
MIN
TYP
320
360
550
MAX
450
UNITS
μ A
μ A
μ A
V IN
Input Voltage
Step-Up Mode
q
2
12.6
V
Step-Down Mode
q
30.0
V
Comparator Trip Point Voltage
LT1107 (Note 2)
q
1.2
1.25
1.3
V
V OUT
Output Sense Voltage
Comparator Hysteresis
Output Hysteresis
LT1107-5 (Note 3)
LT1107-12 (Note 3)
LT1107
LT1107-5
q
q
q
q
4.75
11.40
5
12
8
32
5.25
12.60
12.5
50
V
V
mV
mV
LT1107-12
q
75
120
mV
f OSC
Oscillator Frequency
50
63
77
kHz
Duty Cycle, Step-Up Mode
Full Load
64
70
76
%
t ON
Switch ON Time, Step-Up Mode
I LIM Tied to V IN
8.8
11
12.7
μ s
1107fa
2
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