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| 型号： | MAX684EUA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/12页 |
| 文件大小： | 0K |
| 描述： | IC REG SWITCHED CAP 5V 8UMAX |
| 标准包装： | 2,500 |
| 类型： | 切换式电容器（充电泵） |
| 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 |
| 频率 - 开关： | 200kHz，1MHz |
| 电流 - 输出： | 50mA |
| 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-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 8-uMAX |
3.3V-Input to Regulated 5V-Output
Charge Pumps
Typical Operating Characteristics (continued)
(Circuit of Figure 5, V IN = 3.3V, component values from Tables 2 and 3, T A = +25°C, unless otherwise noted.)
SHUTDOWN TIMING
MAX682 TOC18
A
B
100 μ s/div
A: OUTPUT VOLTAGE: SKIP = HIGH, R L = 5V / I MAX , 2V/div
B: SHDN VOLTAGE: 1V/div
LINE-TRANSIENT RESPONSE
MAX682 TOC20
2ms/div
A: INPUT VOLTAGE: V IN = 3.1V TO 3.6V, 500mV/div
B: OUTPUT VOLTAGE: SKIP = HIGH, I SHDN = 22 μ A,
I LOAD = 250mA, 50mV/div, MAX682
A
B
LOAD-TRANSIENT RESPONSE
MAX682 TOC19
A
B
2ms/div
A: LOAD CURRENT: I LOAD = 5mA TO 250mA, 500mA/div
B: OUTPUT VOLTAGE: SKIP = HIGH, I SHDN = 22 μ A,
100mV/div, MAX682
Pin Description
PIN
1
2
3
4
5
6
7
8
NAME
SKIP
SHDN
IN
GND
PGND
CXN
CXP
OUT
FUNCTION
When SKIP = low, the regulator operates in low-quiescent-current skip mode. When SKIP = high, the
regulator operates in constant-frequency mode, minimizing output ripple and noise. SKIP must be tied
high for input voltages above 3.6V.
Shutdown Input. Drive SHDN through an external resistor. When SHDN = low, the device turns off. When
current is sourced into SHDN through R EXT , the device activates, and the SHDN pin input current sets the
oscillator’s switching frequency. R EXT (k ? ) = 45000 (V IN - 0.69V) / f OSC (kHz).
Input Supply Pin. Can range from 2.7V to 5.5V for SKIP = high, and 2.7V to 3.6V for SKIP = low. Bypass to
PGND with a suitable value capacitor (see Capacitor Selection section).
Ground Pin. Connect to PGND through a short trace.
Power Ground Pin
Negative Terminal of the Charge-Pump Transfer Capacitor
Positive Terminal of the Charge-Pump Transfer Capacitor
Fixed 5V Power Output. Bypass to PGND with output filter capacitor.
_______________________________________________________________________________________
5
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| MAX6850AEE | 功能描述:VFD驱动器 RoHS:否 制造商:Maxim Integrated 工作电源电压:8 V to 76 V, 3 V to 5.5 V 电源电流:0.9 mA, 700 uA 最大工作温度:+ 125 C 封装 / 箱体:SOIC-20 封装:Tube |
| MAX6850AEE+T | 功能描述:VFD驱动器 RoHS:否 制造商:Maxim Integrated 工作电源电压:8 V to 76 V, 3 V to 5.5 V 电源电流:0.9 mA, 700 uA 最大工作温度:+ 125 C 封装 / 箱体:SOIC-20 封装:Tube |
| MAX6850AEE-T | 功能描述:VFD驱动器 RoHS:否 制造商:Maxim Integrated 工作电源电压:8 V to 76 V, 3 V to 5.5 V 电源电流:0.9 mA, 700 uA 最大工作温度:+ 125 C 封装 / 箱体:SOIC-20 封装:Tube |
| MAX6851AEE | 功能描述:VFD驱动器 RoHS:否 制造商:Maxim Integrated 工作电源电压:8 V to 76 V, 3 V to 5.5 V 电源电流:0.9 mA, 700 uA 最大工作温度:+ 125 C 封装 / 箱体:SOIC-20 封装:Tube |
| MAX6851AEE+T | 功能描述:VFD驱动器 RoHS:否 制造商:Maxim Integrated 工作电源电压:8 V to 76 V, 3 V to 5.5 V 电源电流:0.9 mA, 700 uA 最大工作温度:+ 125 C 封装 / 箱体:SOIC-20 封装:Tube |
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