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参数资料
| 型号： | MAX1759EUB+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/10页 |
| 文件大小： | 0K |
| 描述： | IC REG MULTI CONFIG 0.1A 10UMAX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 降压（降压），升压（升压），切换电容（充电泵） |
| 输出类型： | 两者兼有 |
| 输出数： | 1 |
| 输出电压： | 3.3V，2.5 V ~ 5.5 V |
| 输入电压： | 1.6 V ~ 5.5 V |
| 频率 - 开关： | 1.5MHz |
| 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： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 10-µMAX |
Buck/Boost Regulating
Charge Pump in μMAX
Typical Operating Characteristics (continued)
(Circuit of Figure 1, C IN = 10μF, C X = 0.33μF, C OUT = 10μF, V OUT = 3.3V, V IN = 2.5V, T A = +25°C, unless otherwise noted.)
TURN-ON/OFF RESPONSE
TURN-ON/OFF RESPONSE
1
2
LINE-TRANSIENT RESPONSE
R LOAD = 33 ?
100 μ s/div
CH1: V OUT , 20mV/div, AC-COUPLED
CH2: V IN , 1V/div, AC-COUPLED
-4.2V
-2.5V
1
2
3
4
(V IN = 4.2V)
500 μ s/div
CH1: V OUT ,1V/div
CH2: I IN , 200mA/div
CH3: V POK , 5V/div
CH4: V SHDN , 5V/div
R LOAD = 33 ?
V IN = 4.2V
1
2
3
4
(V IN = 2.5V)
R LOAD = 33 ?
V IN = 2.5V
500 μ s/div
CH1: V OUT ,1V/div
CH2: I IN , 200mA/div
CH3: V POK , 5V/div
CH4: V SHDN , 5V/div
Pin Description
PIN
1
2
3, 4
5
6
7
8
9
10
NAME
POK
SHDN
IN
GND
PGND
CXN
CXP
OUT
FB
FUNCTION
Open-Drain Power-OK Output. POK is high impedance when output voltage is in regulation. POK sinks current
when V FB falls below 1.1V. Connect a 10k ? to 1M ? pull-up resistor from POK to V OUT for a logic signal.
Ground POK or leave unconnected if not used. POK is high impedance in shutdown.
Shutdown Input. Drive high for normal operation; drive low for shutdown mode. OUT is high impedance in
shutdown.
Input Supply. Connect both pins together and bypass to GND with a ceramic capacitor (see Capacitor
Selection section).
Ground. Connect GND to PGND with a short trace.
Power Ground. Charge-pump current flows through this pin.
Negative Terminal of the Charge-Pump Transfer Capacitor
Positive Terminal of the Charge-Pump Transfer Capacitor
Power Output. Bypass to GND with an output filter capacitor.
Dual-Mode Feedback. Connect FB to GND for 3.3V output. Connect to an external resistor divider to adjust
the output voltage from 2.5V to 5.5V.
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