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| 型号： | MAX889TESA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/8页 |
| 文件大小： | 0K |
| 描述： | IC REG SWITCHD CAP INV ADJ 8SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 切换式电容器（充电泵），反相 |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | -2.5 V ~ -5.5 V |
| 输入电压： | 2.7 V ~ 5.5 V |
| 频率 - 开关： | 2MHz |
| 电流 - 输出： | 200mA |
| 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 |
High-Frequency, Regulated,
200mA, Inverting Charge Pump
ABSOLUTE MAXIMUM RATINGS
IN to GND .................................................................-0.3V to +6V
FB, SHDN , CAP+ to GND ............................-0.3V to (V IN + 0.3V)
AGND to GND .......................................................-0.3V to +0.3V
OUT to GND .............................................................-6V to +0.3V
CAP- to GND ............................................(V OUT - 0.3V) to +0.3V
Continuous Output Current ...............................................250mA
Continuous Power Dissipation (T A = +70 ° C)
8-Pin SO (derate 5.88mW/ ° C above +70 ° C)...............471mW
Operating Temperature Range...........................-40 ° C to +85 ° C
Junction Temperature ......................................................+150 ° C
Storage Temperature Range .............................-65 ° C to +150 ° C
Lead Temperature (soldering, 10s) ................................+300 ° C
Output Short-Circuit Duration ........................................Indefinite
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V IN = V SHDN = +5V, capacitors from Table 1, T A = 0 ° C to +85 ° C , unless otherwise noted. Typical values are at T A = +25 ° C.)
PARAMETER
Supply Voltage Range
Output Voltage Range
Maximum Output Current
SYMBOL
V IN
V OUT
I OUT(MAX)1
I OUT(MAX)2
CONDITIONS
R LOAD = 100 ?
R LOAD = 100 ?
V IN = 5V, V OUT = -3.3V
V IN = 3.3V, V OUT = -2.5V
MIN
2.7
-2.5
200
145
TYP
MAX
5.5
-V IN
UNITS
V
V
mA
MAX889R
6
12
Quiescent Supply
Current (Free-Run Mode)
I Q(FREE-RUN)
No load, V FB = V IN
MAX889S
12
24
mA
MAX889T
MAX889R
24
3.3
48
7
Quiescent Supply
Current (Regulated Mode)
I Q(REGULATED)
No load, V OUT regulated to
-3.3V
MAX889S
5.5
12
mA
MAX889T
11
22
Shutdown Supply Current
Open-Loop Output
Resistance (Free-Run Mode)
Output Resistance
I SHDN
R O
R O(REG1)
V SHDN = 0
V FB = V IN
V OUT regulated to -3.3V
0.1
2.0
0.05
50
4.5
μ A
?
?
SHDN, FB Input Bias Current
± 1
μ A
FB Input Offset Voltage
Load Regulation
IN Undervoltage Lockout
Threshold
I LOAD = 0
I OUT = 0 to 200mA
V IN rising (30mV hysteresis)
2.3
± 3
10
± 35
2.6
mV
mV
V
SHDN Logic High
SHDN Logic Low
V IH
V IL
V IN = +2.7V to +5.5V
MAX889R
0.7 x V IN
0.375
0.5
0.3 x V IN
0.62
V
Switching Frequency
f OSC
MAX889S
0.75
1
1.25
MHz
MAX889T
1.5
2
2.5
Thermal Shutdown Threshold
Junction temperature rising
(15 ° C hysteresis)
160
° C
2
_______________________________________________________________________________________
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