参数资料
型号: LT1617ES5#TRM
厂商: Linear Technology
文件页数: 2/8页
文件大小: 0K
描述: IC REG INV ADJ 0.35A TSOT23-5
标准包装: 500
类型: 反相
输出类型: 可调式
输出数: 1
输出电压: 可调至 -34V
输入电压: 1.2 V ~ 15 V
电流 - 输出: 350mA
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: SOT-23-5 细型,TSOT-23-5
包装: 带卷 (TR)
供应商设备封装: TSOT-23-5
其它名称: LT1617ES5
LT1617ES5-ND
LT1617/LT1617-1
ABSOLUTE
(Note 1)
AXI U RATI GS
PACKAGE/ORDER I FOR ATIO
ORDER PART
V IN , SHDN Voltage ................................................... 15V
SW Voltage .............................................................. 36V
NFB Voltage ............................................................. – 3V
Current into NFB Pin ............................................. –1mA
Junction Temperature ........................................... 125 ° C
Operating Temperature Range (Note 2) .. – 40 ° C to 85 ° C
Storage Temperature Range ................. – 65 ° C to 150 ° C
Lead Temperature (Soldering, 10 sec).................. 300 ° C
TOP VIEW
SW 1 5 V IN
GND 2
NFB 3 4 SHDN
S5 PACKAGE
5-LEAD PLASTIC SOT-23
T JMAX = 125 ° C, θ JA = 256 ° C/W
NUMBER
LT1617ES5
LT1617ES5-1
S5 PART MARKING
LTKF
LTKA
Consult factory for Industrial and Military grade parts.
ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25 ° C. V IN = 1.2V, V SHDN = 1.2V unless otherwise noted.
PARAMETER
Minimum Input Voltage
CONDITIONS
LT1617-1
MIN
TYP
MAX
1.0
UNITS
V
LT1617
1.2
V
Quiescent Current
Not Switching
V SHDN = 0V
20
30
1
μ A
μ A
FB Comparator Trip Point
q
–1.205
–1.23
–1.255
V
FB Comparator Hysteresis
8
mV
Output Voltage Line Regulation
1.2V < V IN < 12V
0.05
0.1
%/V
FB Pin Bias Current (Note 3)
V NFB = –1.23V
q
1.3
2
2.7
μ A
Switch Off Time
400
ns
Switch V CESAT
I SW = 60mA (LT1617-1)
I SW = 300mA (LT1617)
85
250
120
350
mV
mV
Switch Current Limit
SHDN Pin Current
LT1617-1
LT1617
V SHDN = 1.2V
V SHDN = 5V
75
300
100
350
2
8
125
400
3
12
mA
mA
μ A
μ A
SHDN Input Voltage High
SHDN Input Voltage Low
0.9
0.25
V
V
Switch Leakage Current
Switch Off, V SW = 5V
0.01
5
μ A
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: The LT1617 and LT1617-1 are guaranteed to meet specifications
from 0 ° C to 70 ° C. Specifications over the – 40 ° C to 85 ° C operating
temperature range are assured by design, characterization and correlation
with statistical process controls.
Note 3: Bias current flows out of the NFB pin.
2
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