参数资料
型号: MAX857ESA+T
厂商: Maxim Integrated Products
文件页数: 4/12页
文件大小: 0K
描述: IC REG BOOST ADJ 0.15A 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)
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: 150mA
同步整流器:
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
3.3V/5V or Adjustable-Output,
Step-Up DC-DC Converters
_____________________________Typical Operating Characteristics (continued)
(Circuits of Figure 2, T A = +25°C, unless otherwise noted.)
MAX856/MAX857
MAX858/MAX859
10
REFERENCE VOLTAGE vs. CURRENT
400
NO LOAD BATTERY CURRENT
vs. INPUT VOLTAGE
1.6
NO LOAD BATTERY CURRENT
vs. INPUT VOLTAGE
9
8
7
6
5
4
3
2
1
0
350
300
250
200
150
100
50
0
T A = +85°C
T A = +25°C
T A = -40°C
INCLUDES ALL EXTERNAL
COMPONENT LEAKAGES.
CAPACITOR LEAKAGE
DOMINATES AT T A = +85°C.
CAPS ARE SPRAGUE 595 D
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
T A = +85°C
T A = +25°C
T A = -40°C
INCLUDES ALL EXTERNAL
COMPONENT LEAKAGES.
CAPACITOR LEAKAGE
DOMINATES AT T A = +85°C.
CAPS ARE SPRAGUE 595D
0
50
100
150
200
250
1.5
2.0
2.5
3.0
3.5
4.0
1.5
2.0
2.5
3.0
3.5
4.0
REFERENCE LOAD CURRENT ( μ A)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
1.6
1.4
QUIESCENT CURRENT
vs. INPUT VOLTAGE
SEE NOTE 2
IN THE ELECTRICAL
CHARACTERISTICS
1.15
1.10
MAX856/MAX857
MINIMUM START-UP INPUT VOLTAGE
vs. LOAD CURRENT
V OUT = 5V
1.4
1.3
MAX858/MAX859
MINIMUM START-UP INPUT VOLTAGE
vs. LOAD CURRENT
1.2
1.05
1.0
0.8
0.6
1.00
0.95
0.90
V OUT = 3.3V
1.2
1.1
1.0
V OUT = 5V
0.4
0.85
0.2
0
T A = -40°C
T A = +85°C
0.80
0.75
0.9
0.8
1.5
2.0
2.5
3.0
3.5
4.0
0.1
1
10
100
0.1
1
10
100
1.0
0.9
0.8
INPUT VOLTAGE (V)
SHUTDOWN CURRENT
vs. INPUT VOLTAGE
400
350
LOAD CURRENT (mA)
MAX856/MAX857
MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE
100
90
80
LOAD CURRENT (mA)
MAX858/MAX859
MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE
0.7
300
70
V OUT = 3.3V
0.6
0.5
0.4
T A = +85°C
T A = +25°C
250
200
150
V OUT = 3.3V
V OUT = 5.0V
60
50
40
V OUT = 5.0V
0.3
30
0.2
100
20
0.1
0
T A = -40°C
50
0
10
0
1.5
2.0
2.5
3.0
3.5
4.0
1.0
1.5
2.0
2.5
3.0
3.5
4.0
1.0
1.5
2.0
2.5
3.0
3.5
4.0
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
4
_______________________________________________________________________________________
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