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| 型号： | MAX629ESA-T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/12页 |
| 文件大小： | 0K |
| 描述： | IC REG MULTI CONFIG +/-28V 8SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 升压（升压），反相，回扫，Sepic |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | ±28V |
| 输入电压： | 2.7 V ~ 5.5 V |
| 频率 - 开关： | 300kHz |
| 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： | 8-SOIC（0.154"，3.90mm 宽） |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 8-SOIC |
28V, Low-Power, High-Voltage,
Boost or Inverting DC-DC Converter
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (V CC to GND) ..................................-0.3V to +6V
SHDN to GND...........................................................-0.3V to +6V
ISET, REF, FB, POL to GND .......................-0.3V to (V CC + 0.3V)
LX to GND ..............................................................-0.3V to +30V
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +165°C
Lead Temperature (soldering, 10sec) .............................+300°C
Continuous Power Dissipation (T A = +70°C)
SO (derate 5.88mW/°C above +70°C) ..........................471mW
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 CC = +5V, C REF = 0.1μF, T A = -40°C to +85°C, unless otherwise noted. Typical values are at T A = +25°C.) (Note1)
PARAMETER
V CC Input Voltage (Note 2)
V CC Supply Current
V CC Shutdown Current
V CC Undervoltage Lockout
Input Supply Voltage (Note 2)
SHDN , POL, ISET Logic Levels
Positive Output Voltage
Negative Output Voltage
LX Switch-Current Limit
CONDITIONS
V FB = 1.3V
SHDN = GND
100mV hysteresis
Voltage applied to L1 (V IN )
V IH
V IL
Circuit of Figure 2
Circuit of Figure 3
ISET = V CC
ISET = GND
MIN
2.7
2.3
0.8
2.4
- ? V IN ?
0.39
0.20
TYP
80
0.04
2.5
0.45
0.25
MAX
5.5
120
1
2.65
? V OUT ?
0.4
28
-28
0.51
0.33
UNITS
V
μA
μA
V
V
V
V
V
A
LX On-Resistance
LX Leakage Current
Maximum LX On-Time
V CC = 5V
V CC = 3.3V
V LX = 28V, T A = +85°C
POL = GND
6.5
0.7
0.6
0.7
0.05
8.5
1.0
1.2
1.4
2.5
10.0
1.3
?
μA
μs
Minimum LX Off-Time
POL = V CC
POL = GND, V FB < 1V
POL = V CC, V FB > 0.25V
2.0
3.0
3.0
3.2
4.5
4.5
3.8
6.0
6.0
μs
FB Set Point
POL = GND
(positive output)
POL = V CC
(negative output)
T A = 0°C to +85°C
T A = -40°C to +85°C
T A = 0°C to +85°C
T A = -40°C to +85°C
1.225
1.218
-15
-25
1.250
0
1.275
1.282
15
25
V
mV
FB Input Bias Current
5
50
nA
REF Output Voltage
V CC = 2.7V to 5.5V,
no load on REF
T A = 0°C to +85°C
T A = -40°C to +85°C
1.225
1.218
1.250
1.275
1.282
V
2
_______________________________________________________________________________________
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