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| 型号： | MAX859ESA+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/12页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST ADJ 60MA 8SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 类型： | 升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 2.7 V ~ 6 V |
| 输入电压： | 0.8 V ~ 6 V |
| 频率 - 开关： | 500kHz |
| 电流 - 输出： | 60mA |
| 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： | 管件 |
| 供应商设备封装： | 8-SOIC |
3.3V/5V or Adjustable-Output,
Step-Up DC-DC Converters
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (OUT to GND) ...................................-0.3V, +7V
Switch Voltage (LX to GND) .......................................-0.3V, +7V
— — — –
S H D N , LBO to GND ....................................................-0.3V, +7V
– –
LBI, REF, 3/ 5 , FB to GND .........................-0.3V, (V OUT + 0.3V)
Reference Current (I REF ) ..................................................2.5mA
Continuous Power Dissipation (T A = +70°C)
SO (derate 5.88mW/°C above +70°C) .........................471mW
μMAX (derate 4.1mW/°C above +70°C) ......................330mW
Reverse Battery Current (T A ≤ +45°C, Note 1) .................750mA
Operating Temperature Ranges
MAX85_C_ _ ......................................................0°C to +70°C
MAX85_E_ _ ....................................................-40°C to +85°C
MAX85_MJA .................................................-55°C to +125°C
Junction Temperature .....................................................+150°C
Storage Temperature Range ............................-65°C to +160°C
Lead Temperature (soldering, 10sec) ............................+300°C
CERDIP (derate 8.00mW/°C above +70°C) .................640mW
Note 1: Reverse battery current is measured from the Typical Operating Circuit’s battery input terminal to GND when the battery is
connected backwards. A reverse current of 750mA will not exceed the SO or CERDIP package dissipation limits but, if left
for an extended time (more than ten minutes), may degrade performance.
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
(Circuits of Figure 2, V IN = 2.5V, I LOAD = 0mA, T A = T MIN to T MAX , unless otherwise noted. Typical values are at T A = +25°C.)
MAX856, 3/ 5 = 0V, 0mA ≤ I LOAD ≤ 100mA
MAX856, 3/ 5 = 3V, 0mA ≤ I LOAD ≤ 150mA
PARAMETER
CONDITIONS
– –
– –
MIN
4.80
3.17
TYP
5.0
3.3
MAX UNITS
5.20
3.43
MAX858, 3/ 5 = 0V, 0mA ≤ I LOAD ≤ 25mA
Output Voltage
2V ≤ V IN ≤ 3V
MAX857, V OUT = 5V, 0mA ≤ I LOAD ≤ 100mA
– –
4.80
4.80
5.0
5.0
5.20
5.20
V
MAX858, 3/ 5 = 3V, 0mA ≤ I LOAD ≤ 35mA
– –
MAX859, V OUT = 5V, 0mA ≤ I LOAD ≤ 25mA
3.17
4.80
3.3
5.0
3.43
5.20
Minimum Start-Up
Supply Voltage
Minimum Operating Voltage
Quiescent Supply Current in
3.3V Mode (Note 2)
No Load Battery Current
I LOAD = 0mA
– –
I LOAD = 0mA, 3/ 5 = 3V, LBI = 1.5V, V OUT = 3.47V,
(FB = 1.5V, MAX857/MAX859 only)
Output set for 3.3V, measured at V IN in Figure 2, R3 omitted.
0.8
0.8
25
60
1.8
60
V
V
μA
μA
Shutdown Quiescent Current
(Note 2)
Peak Inductor Current Limit
Reference Voltage
–
— — — –
S H D N = 0V, 3/ 5 = 3V, LBI = 1.5V, V OUT = 3.47V,
(FB = 1.5V, MAX857/MAX859 only)
MAX856/MAX857
MAX858/MAX859
No REF load
MAX85_C
MAX85_E/M
1.23
1
500
125
1.25
1
5
1.27
μA
mA
V
Reference-Voltage Regulation 3/ 5 = 3V, -20μA ≤ REF load ≤ 250μA, C REF = 0.22μF
– –
0.8
2.0
%
LBI Input Threshold
With falling edge
1.22
1.25
1.28
V
LBI Input Hysteresis
25
mV
LBO Output Voltage Low
LBO Output Leakage Current
I SINK = 2mA
LBO = 5V
0.4
1
V
μA
2
_______________________________________________________________________________________
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