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参数资料
| 型号： | LTC3203EDD#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 6/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BST SWITCHD CAP ADJ 10DFN |
| 标准包装： | 2,500 |
| 类型： | 升压（升压），切换电容（充电泵） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 可调 |
| 输入电压： | 2.7 V ~ 5.5 V |
| PWM 型： | Burst Mode? |
| 频率 - 开关： | 900kHz，1MHz |
| 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： | 10-WFDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 10-DFN（3x3） |
LTC3203/LTC3203-1
LTC3203B/LTC3203B-1
PI FU CTIO S
C2 + (Pin 1): Flying Capacitor 2 Positive Terminal (C2).
V OUT (Pin 2): Regulated Output Voltage. V OUT should be
bypassed with a low ESR ceramic capacitor as close to the
pin as possible for best performance. The capacitor should
have greater than 4.7 μ F capacitance under all conditions.
C1 + (Pin 3): Flying Capacitor 1 Positive Terminal (C1).
SHDN (Pin 4): Active Low Shutdown Input. A low on SHDN
puts the LTC3203/LTC3203-1/LTC3203B/LTC3203B-1 in
low current shutdown mode. Do not float the SHDN pin.
V SEL (Pin 5) (LTC3203-1/LTC3203B-1): Output Voltage
Selection Input. A logic 0 at V SEL sets the regulated V OUT
to 4.5V; and a logic 1 sets the regulated V OUT to 5V. Do not
float the V SEL pin.
FB (Pin 5) (LTC3203/LTC3203B): Feedback. The voltage
on this pin is compared to the internal reference voltage
(0.91V) by the error amplifier to keep the output in
MODE (Pin 6): Mode Selection Input. The LTC3203/
LTC3203-1/LTC3203B/LTC3203B-1 operates in 1.5x
mode if the MODE pin is greater than V MODEH , which
gives higher charge pump efficiency. If the MODE pin is
less than V MODEL , the LTC3203/LTC3203-1/LTC3203B/
LTC3203B-1 operates in 2x mode, which gives a higher
charge pump boost voltage.
V IN (Pin 7): Input Supply Voltage. V IN should be bypassed
with a more than 2.2 μ F low ESR ceramic capacitor to GND.
C2 – (Pin 8): Flying Capacitor 2 Negative Terminal (C2).
GND (Pin 9): Ground. This pin should be connected
directly to a low impedance ground plane.
C1 – (Pin 10): Flying Capacitor 1 Negative Terminal (C1).
Exposed Pad (Pin 11): Ground. This pin must be sol-
dered to the PCB for electrical contact and rated thermal
performance.
regulation. An external resistor divider is required
between V OUT and FB to program the output voltage.
32031fa
6
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3204 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Low Noise Regulated Charge Pump in 2 X 2 DFN |
| LTC3204-3.3 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Low Noise Regulated Charge Pump in 2 X 2 DFN |
| LTC3204-5 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Low Noise Regulated Charge Pump in 2 X 2 DFN |
| LTC3204B-3.3 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Low Noise Regulated Charge Pump in 2 X 2 DFN |
| LTC3204B-5 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Low Noise Regulated Charge Pump in 2 X 2 DFN |
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