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| 型号： | LT3495EDDB-1#TRMPBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST ADJ 0.35A 10DFN |
| 标准包装： | 1 |
| 类型： | 升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1.24 V ~ 40 V |
| 输入电压： | 2.3 V ~ 16 V |
| PWM 型： | 混合物 |
| 频率 - 开关： | 可调至 45kHz |
| 电流 - 输出： | 350mA |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN 裸露焊盘 |
| 包装： | 标准包装 |
| 供应商设备封装： | 10-DFN-EP（3x2） |
| 产品目录页面： | 1331 (CN2011-ZH PDF) |
| 其它名称： | LT3495EDDB-1#TRMPBFDKR |
LT3495/LT3495B/
LT3495-1/LT3495B-1
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25°C. V CC = 3V, V SHDN = V CC , unless otherwise noted. (Note 2)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Switch Current Limit
LT3495-1/LT3495B-1
l
275
350
450
mA
Switch V CESAT
LT3495/LT3495B, I SW = 400mA
LT3495-1/LT3495B-1, I SW = 200mA
200
125
mV
mV
Switch Leakage Current
V SW = 5V
0.01
1
μA
PMOS Disconnect Current Limit
PMOS Disconnect V CAP – V OUT
After Start-Up
During Start-Up
I OUT = 50mA, V CAP = 15V
250
110
370
150
150
450
190
mA
mA
mV
V CAP – V OUT Clamp Voltage
SHDN Input Voltage High
SHDN Input Voltage Low
1.5
8.7
0.3
V
V
V
SHDN Pin Bias Current
V SHDN = 3V
V SHDN = 0V
5.3
0
8
μA
μA
CTRL Pin Bias Current
CTRL to FB Offset
Maximum Shunt Current
V CTRL = 0.5V, Current Flows Out of Pin
V CTRL = 0.5V
LT3495/LT3495-1, V FB = 1.5V
l
20
6
230
100
14
nA
mV
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 LT3495/LT3495B/LT3495-1/LT3495B-1 are guaranteed to
meet performance specifications from 0°C to 125°C junction temperature.
Specifications over the –40°C to 125°C operating junction temperature
range are assured by design, characterization and correlation with
statistical process controls.
Note 3: Internal reference voltage is determined by finding V FB voltage
level which causes quiescent current to increase 150μA above “Not
Switching” level.
Note 4: If CTRL is overriding the internal reference, Start-Up mode occurs
when V FB is less then half the voltage on CTRL. If CTRL is not overriding
the internal reference, Start-Up mode occurs when V FB is less then half the
voltage of the internal reference.
TYPICAL PERFORMANCE CHARACTERISTICS
T A = 25°C unless otherwise noted.
Switching Frequency
vs Load Current
Load Regulation
V OUT vs CTRL Voltage
1000
800
V CC = 3.6V
V OUT = 16V
FIGURE 7 CIRCUIT
1.5
V CC = 3.6V
V OUT = 16V
1.0 FIGURE 7 CIRCUIT
18
15
FIGURE 7 CIRCUIT
600
0.5
0.0
12
9
400
200
–0.5
–1.0
6
3
0
0
20
40
60
80
100
120
–1.5
0
20
40
60
80
100
120
0
0
0.3
0.6
0.9
1.2
1.5
LOAD CURRENT (mA)
3495 G01
LOAD CURRENT (mA)
3495 G02
CTRL VOLTAGE (V)
3495 G03
3495b1b1fa
3
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