参数资料
型号: LT3460EDC-1#TRMPBF
厂商: Linear Technology
文件页数: 3/12页
文件大小: 0K
描述: IC REG BOOST ADJ 0.18A 6DFN
标准包装: 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: 2.5 V ~ 16 V
PWM 型: 电流模式
频率 - 开关: 650kHz
电流 - 输出: 180mA
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: 6-WFDFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 6-DFN-EP(2x2)
LT3460/LT3460-1
ELECTRICAL CHARACTERISTICS The l denotes the speci?cations which apply over the full operating
temperature range, otherwise speci?cations are at T A = 25°C, V IN = 3V, V SHDN = 3V, unless otherwise noted.
LT3460 LT3460-1
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
Minimum Operating
2.5
2.5
V
Voltage
Maximum Operating
16
16
V
Voltage
Feedback Voltage
l
1.235
1.225
1.255
1.275
1.280
1.235
1.225
1.255
1.275
1.280
V
V
Feedback Line Regulation
2.5V < V IN < 16V
0.015
0.015
%/V
FB Pin Bias Current
Supply Current
Switching Frequency
SHDN = 0V
l
5
1.0
25
2.0
0.1
1.3
80
3.0
0.5
1.7
0
0.35
25
1.0
0.1
0.65
80
1.5
0.5
1.0
nA
mA
μA
MHz
Maximum Duty Cycle
85
90
80
90
%
Switch Current Limit
Switch V CESAT
Switch Leakage Current
I SW = 250mA (LT3460), I SW = 100mA (LT3460-1)
V SW = 5V
300
420
320
0.01
600
450
1
180
260
220
0.01
380
350
1
mA
mV
μA
SHDN Voltage High
SHDN Voltage Low
SHDN Pin Bias Current
1.5
40
0.4
1.5
15
0.4
V
V
μA
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LT3460E/LT3460-1E is guaranteed to meet speci?cations from
0°C to 70°C. Speci?cations over the –40°C to 85°C operating temperature
range are assured by design, characterization and correlation with
statistical process controls.
TYPICAL PERFORMANCE CHARACTERISTICS
2.5
Quiescent Current
1.4
Switching Frequency
400
SHDN Pin Bias Current
–50°C
LT3460
1.2
LT3460
350
2.0
1.5
100°C
1.0
0.8
300
250
SHDN= 16V (LT3460)
200
1.0
0.5
25°C
LT3460-1
0.6
0.4
LT3460-1
150
SHDN= 16V (LT3460-1)
100 SHDN= 3V (LT3460-1)
0.2
50
SHDN= 3V (LT3460)
0
0
5
10
15
0
–50
–25
0
25
50
75
100
0
–50
–25
0
25
50
75
100
V IN (V)
3460 G01
TEMPERATURE (°C)
3460 G02
TEMPERATURE (°C)
3460 G03
3460fb
3
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