参数资料
型号: LT1618EMS#TRPBF
厂商: Linear Technology
文件页数: 2/16页
文件大小: 0K
描述: IC REG BOOST ADJ 1.5A 10MSOP
标准包装: 2,500
类型: 升压(升压)
输出类型: 可调式
输出数: 1
输出电压: 1.26 V ~ 36 V
输入电压: 1.6 V ~ 18 V
PWM 型: 电流/电压模式
频率 - 开关: 1.4MHz
电流 - 输出: 1.5A
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: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
包装: 带卷 (TR)
供应商设备封装: 10-MSOP
LT1618
ABSOLUTE
AXI U RATI GS
(Note 1)
V IN , SHDN Voltage ................................................... 18V
SW Voltage .............................................................. 36V
ISP, ISN Voltage ...................................................... 36V
I ADJ Voltage ............................................................... 6V
FB Voltage .............................................................. 1.5V
V C Voltage .............................................................. 1.5V
PACKAGE/ORDER I FOR ATIO
Junction Temperature ........................................... 125 ° C
Operating Temperature Range (Note 2) .. – 40 ° C to 85 ° C
Storage Temperature Range
MSOP ............................................... – 65 ° C to 150 ° C
DFN ................................................. – 65 ° C to 125 ° C
Lead Temperature (Soldering, 10 sec) (MSOP) .... 300 ° C
TOP VIEW
ORDER PART
ORDER PART
FB
1
10 V C
NUMBER
TOP VIEW
NUMBER
ISN
ISP
I ADJ
2
3
4
11
9 SHDN
8 V IN
7 SW
LT1618EDD
FB
ISN
ISP
I ADJ
1
2
3
4
10
9
8
7
V C
SHDN
V IN
SW
LT1618EMS
GND
5
6 SW
DD PART
GND
5
MS PACKAGE
6
NC
MS PART
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
T JMAX = 125 ° C, θ JA = 43 ° C/W, θ JC = 3 ° C/W
EXPOSED PAD (PIN 11) IS GND AND
MARKING
LAFQ
10-LEAD PLASTIC MSOP
T JMAX = 125 ° C, θ JA = 160 ° C/W
MARKING
LTNH
MUST BE SOLDERED TO PCB
Consult LTC marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS
The ● denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25 ° C. V IN = 1.6V, V SHDN = 1.6V, unless otherwise noted.
PARAMETER
Input Voltage
Quiescent Current
Reference Voltage
Reference Voltage Line Regulation
FB Pin Bias Current
CONDITIONS
V SHDN = 1.6V, Not Switching
V SHDN = 0V
Measured at FB Pin
1.6V < V IN < 18V
V FB = 1.263V, V IN = 1.8V
MIN
1.6
1.250
1.243
TYP
1.8
0.1
1.263
1.263
0.01
± 2
MAX
18
2.7
1
1.276
1.283
0.03
± 12
UNITS
V
mA
μ A
V
V
%/V
nA
Error Amplifier Voltage Gain
180
V/V
Error Amplifier Transconductance
Error Amplifier Sink Current
Error Amplifier Source Current
? I C = ± 5 μ A
V FB = 1.35V, V C = 1V
V FB = 1.10V, V C = 1V
160
15
30
μ mho
μ A
μ A
Current Sense Voltage (ISP, ISN)
ISP, ISN Pin Bias Currents (Note 3)
V FB = 0V, V IADJ = 0V
V ISP = 1.85V, V ISN = 1.80V, V IADJ = 0V
47.5
50
50
52.5
80
mV
μ A
(ISP, ISN) Common Mode Minimum Voltage
1.8
V
Switching Frequency
V FB = 1V
1.25
1.4
1.6
MHz
V FB = 0V
550
kHz
Maximum Switch Duty Cycle
88
92
%
Switch Current Limit
(Note 4)
1.5
2.1
2.8
A
sn1618 1618fas
2
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