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参数资料
| 型号： | MAX1572ETC |
| 厂商： | Maxim Integrated Products, Inc. |
| 英文描述： | 800mA, 2MHz, PWM DC-to-DC Step-Down Converter with RESET |
| 中文描述： | 800mA电流高达2MHz，脉宽调制型DC - DC降压转换器与复位 |
| 文件页数： | 4/11页 |
| 文件大小： | 340K |
| 代理商： | MAX1572ETC |
M
800mA, 2MHz, PWM DC-to-DC
Step-Down Converter with
RESET
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
BATT
= 3.6V,
T
A
= -40
°
C to +85
°
C
, unless otherwise noted.) (Note 2)
PARAMETER
CONDITIONS
MIN
TYP
MAX
0.4
1
93
230
0.2
20
UNITS
V
μA
%
ms
V
k
EN_ Logic Input Low
EN_ Logic Input Current
RESET
Threshold
RESET
Timer Delay Time
RESET
Output Low Level
RESET
Internal Pullup Resistance to OUT
Percent of nominal, measured at OUT
From V
OUT
> 90% to
RESET
= HI
I
SINK
= 1mA
87
170
9
Note 2:
Guaranteed by design, not production tested.
Note 3:
Specifications to -40
°
C are guaranteed by design and not production tested.
100
90
40
1
1000
EFFICIENCY vs. LOAD CURRENT
WITH 2.5V OUTPUT
60
50
80
70
M
LOAD CURRENT (mA)
E
10
100
V
IN
= 2.6V
V
IN
= 3.6V
V
IN
= 5V
100
90
40
1
1000
EFFICIENCY vs. LOAD CURRENT
WITH 1.8V OUTPUT
60
50
80
70
M
LOAD CURRENT (mA)
E
10
100
V
IN
= 2.6V
V
IN
= 3.6V
V
IN
= 5V
100
90
40
1
1000
EFFICIENCY vs. LOAD CURRENT
WITH 1.5V OUTPUT
60
50
80
70
M
LOAD CURRENT (mA)
E
10
100
V
IN
= 2.6V
V
IN
= 3.6V
V
IN
= 5V
100
90
40
1
1000
EFFICIENCY vs. LOAD CURRENT
vs. MODE
60
50
80
70
M
LOAD CURRENT (mA)
E
10
100
FORCED-
PWM MODE
PULSE-
SKIP MODE
PULSE-
GROUP MODE
1.58
1.56
1.40
0
800
OUTPUT VOLTAGE
vs. LOAD CURRENT
1.48
1.46
1.44
1.42
1.54
1.50
1.52
M
LOAD CURRENT (mA)
O
200
400
600
T
A
= +85
°
C
T
A
= +25
°
C
T
A
= -40
°
C
1.55
1.45
2.5
5.5
OUTPUT VOLTAGE vs. INPUT VOLTAGE
WITH 100mA LOAD
1.49
1.47
1.53
1.51
M
INPUT VOLTAGE (V)
O
3.0
3.5
4.5
5.0
4.0
T
A
= +85
°
C
T
A
= +25
°
C
T
A
= -40
°
C
Typical Operating Characteristics
(V
BATT
= 3.6V, V
OUT
= 1.5V, EN1 = GND, EN2 = BATT, T
A
= +25
°
C, unless otherwise noted.)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1572ETC075 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1572ETC075+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1572ETC130 | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1572ETC130+ | 功能描述:直流/直流开关转换器 800mA 2MHz PWM Step-Down w/Reset RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1572ETC130+T | 功能描述:直流/直流开关转换器 800mA 2MHz PWM Step-Down w/Reset RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
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