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参数资料
| 型号： | LTC3204BEDC-5#TRMPBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC REG SWITCHED CAP DBL 5V 6DFN |
| 标准包装： | 1 |
| 类型： | 切换式电容器（充电泵），倍增器 |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 5V |
| 输入电压： | 2.7 V ~ 5.5 V |
| PWM 型： | Burst Mode? |
| 频率 - 开关： | 1.2MHz |
| 电流 - 输出： | 150mA |
| 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： | 6-WFDFN 裸露焊盘 |
| 包装： | 标准包装 |
| 供应商设备封装： | 6-DFN-EP（2x2） |
| 产品目录页面： | 1339 (CN2011-ZH PDF) |
| 其它名称： | LTC3204BEDC-5#TRMPBFDKR |
LTC3204-3.3/LTC3204-5/
LTC3204B-3.3/LTC3204B-5
Low Noise Regulated
Charge Pump in 2 × 2 DFN
Fixed 3.3V or 5V Outputs
V IN Range:
Output Current:
Automatic Burst Mode ? Operation with I Q = 48μA
Constant Frequency Operation at All Loads
Low Noise Constant Frequency (1.2MHz) Operation*
Built-In Soft-Start Reduces Inrush Current
Shutdown Disconnects Load from Input
Shutdown Current <1μA
Short-Circuit/Thermal Protection
Available in Low Pro?le 6-Lead DFN Package
2 AA Cell to 3.3V
Li-Ion to 5V
USB On-The-Go Devices
White LED Drivers
Handheld Devices
FEATURES
■
■
1.8V to 4.5V (LTC3204-3.3/LTC3204B-3.3)
2.7V to 5.5V (LTC3204-5/LTC3204B-5)
■
Up to 150mA (LTC3204-5/LTC3204B-5)
Up to 50mA (LTC3204-3.3/LTC3204B-3.3)
■
(LTC3204-3.3/LTC3204-5)
■
(LTC3204B-3.3/LTC3204B-5)
■
■
■
■
■
■
APPLICATIO S
■
■
■
■
■
TYPICAL APPLICATIO
DESCRIPTIO
The LTC ? 3204-3.3/LTC3204-5/LTC3204B-3.3/LTC3204B-5
are low noise, constant frequency (1.2MHz) switched ca-
pacitor voltage doublers. The LTC3204-3.3/LTC3204B-3.3
can produce a regulated output voltage of 3.3V
from a minimum input voltage of 1.8V (2 alkaline cells)
whereas the LTC3204-5/LTC3204B-5 can produce 5V from
a minimum of 2.7V (Li-Ion battery) input.
LTC3204-3.3/LTC3204-5 feature automatic Burst Mode ?
operation at light loads to maintain low supply current
whereas LTC3204B-3.3/LTC3204B-5 feature constant
frequency operation at any load. Built-in soft-start circuitry
prevents excessive inrush current during start-up. Thermal
shutdown and current-limit circuitry allow the parts to
survive a continuous short-circuit from V OUT to GND.
High switching frequency minimizes overall solution
footprint by allowing the use of tiny ceramic capaci-
tors. In shutdown, the load is disconnected from the
input and the quiescent current is reduced to <1μA. The
LTC3204-3.3/LTC3204-5/LTC3204B-3.3/LTC3204B-5 are
available in a low pro?le (0.75mm) 6-lead 2mm × 2mm
DFN package.
, LTC AND LT ARE REGISTERED TRADEMARKS OF LINEAR TECHNOLOGY CORPORATION.
ALL OTHER TRADEMARKS ARE THE PROPERTY OF THEIR RESPECTIVE OWNERS.
BURST MODE IS A REGISTERED TRADEMARK OF LINEAR TECHNOLOGY CORPORATION.
*PROTECTED BY U.S. PATENTS INCLUDING 6411531.
Output Ripple vs Load Current
2.2 μ F
30
25
OUTPUT CAPACITANCE = 2.2 μ F
V IN = 3.6V
2.7V TO 5.5V
2
5
C –
V IN
4
C +
V OUT
3
5V
20
2.2 μ F
OFF ON
1, 7
6
LTC3204-5/
LTC3204B-5
GND
SHDN
2.2 μ F
3204 TA01A
15
10
5
LTC3204-5
LTC3204B-5
0
0
25
50
75
100
125
150
OUTPUT CURRENT (MA)
3204 TA01B
3204fa
1
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相关代理商/技术参数 |
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| LTC3204EDC | 制造商:Linear Technology 功能描述: |
| LTC3204EDC-3.3 | 制造商:Linear Technology 功能描述:Charge Pump STPUP 3.3V 50mA 6-Pin DFN EP |
| LTC3204EDC-3.3#PBF | 制造商:Linear Technology 功能描述:DP-Charge Pump/General Purpose, CUT TAPE 3.3Vout Low Noise Regulated Charge Pump |
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| LTC3204EDC-3.3#TRMPBF | 功能描述:IC REG SWITCHD CAP DBL 3.3V 6DFN 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:500 系列:- 类型:切换式电容器（充电泵），反相 输出类型:固定 输出数:1 输出电压:-3V 输入电压:2.3 V ~ 5.5 V PWM 型:Burst Mode? 频率 - 开关:900kHz 电流 - 输出:100mA 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:SOT-23-6 细型，TSOT-23-6 包装:带卷 (TR) 供应商设备封装:TSOT-23-6 其它名称:LTC1983ES6-3#TRMTR |
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