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| 型号： | LT3494EDDB#TRMPBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/12页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST ADJ 0.18A 8DFN |
| 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： | 1.23 V ~ 38 V |
| 输入电压： | 2.3 V ~ 16 V |
| PWM 型： | 混合物 |
| 电流 - 输出： | 180mA |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-WFDFN 裸露焊盘 |
| 包装： | 标准包装 |
| 供应商设备封装： | 8-DFN（3x2） |
| 产品目录页面： | 1331 (CN2011-ZH PDF) |
| 其它名称： | LT3494EDDB#TRMPBFDKR |
LT3494/LT3494A
ABSOLUTE MAXIMUM RATINGS
(Note 1)
V CC Voltage ...............................................................16V
PACKAGE/ORDE R INFORMATION
TOP VIEW
SW Voltage ...............................................................40V
SW 1
8
CAP
CAP Voltage ..............................................................40V
V OUT Voltage .............................................................40V
SHDN Voltage ...........................................................16V
GND 2
V CC 3
CTRL 4
9
7
6
5
V OUT
FB
SHDN
CTRL Voltage ............................................................16V
FB Voltage ................................................................2.5V
Maximum Junction Temperature .......................... 125°C
Operating Temperature Range (Note 2) ... –40°C to 85°C
DDB PACKAGE
8-LEAD (3mm × 2mm) PLASTIC DFN
T JMAX = 125°C, θ JA = 76°C/W
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
Storage Temperature Range................... –65°C to 125°C
ORDER PART NUMBER
LT3494EDDB
LT3494AEDDB
DDB PART MARKING
LCCD
LCRW
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts speci?ed with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS The ● denotes the speci?cations which apply over the full operating
temperature range, otherwise speci?cations are at T A = 25°C. V CC = 3V, V SHDN = V CC , unless otherwise noted. (Note 2)
PARAMETER
Minimum Operating Voltage
CONDITIONS
MIN
TYP
2.3
MAX
2.5
UNITS
V
Maximum Operating Voltage
16
V
Feedback Voltage
FB Resistor
Quiescent Current
Quiescent Current in Shutdown
V CTRL = 3V (Note 3)
Not Switching
V ? S ? H ? D ? N = 0V, V CC = 3V
●
●
1.205
179
1.225
182
65
0
1.245
184
75
1
V
k Ω
μA
μA
Minimum Switch Off Time
After Start-Up Mode, V FB = 1V, V CTRL = 3V (Note 4)
During Start-Up Mode, V FB = 0.2V, V CTRL = 3V (Note 4)
100
450
ns
ns
Maximum Switch Off Time
Switch Current Limit
V FB = 1.5V
LT3494A (Note 5)
LT3494 (Note 5)
●
15
225
115
20
350
180
30
450
250
μs
mA
mA
Switch V CESAT
LT3494A, I SW = 200mA
LT3494, I SW = 100mA
180
110
mV
mV
Switch Leakage Current
Schottky Forward Voltage
Schottky Reverse Leakage
PMOS Disconnect V CAP – V OUT
V SW = 5V, V ? S ? H ? D ? N = 0
I DIODE = 100mA
I OUT = 10mA, V CAP = 5V
0.01
900
0.05
250
1
1100
1
μA
mV
μA
mV
SHDN Input Voltage High
SHDN Input Voltage Low
1.5
0.3
V
V
SHDN Pin Bias Current
V SHDN = 3V
V SHDN = 0V
5
0
10
0.1
μA
μA
3494fb
2
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| LT3495BEDDB#TRMPBF | 功能描述:IC REG BOOST ADJ 0.65A 10DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:2,500 系列:- 类型:升压（升压） 输出类型:可调式 输出数:1 输出电压:1.24 V ~ 30 V 输入电压:1.5 V ~ 12 V PWM 型:电流模式，混合 频率 - 开关:600kHz 电流 - 输出:500mA 同步整流器:无 工作温度:-40°C ~ 85°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 |
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