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参数资料
| 型号： | MAX1572ETC150 |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 800mA, 2MHz, PWM DC-to-DC Step-Down Converter with RESET |
| 中文描述： | 2.1 A SWITCHING REGULATOR, 2200 kHz SWITCHING FREQ-MAX, QCC12 |
| 封装： | 4 X 4 MM, 0.80 MM HEIGHT, MO-220WGGB, TQFN-12 |
| 文件页数： | 3/11页 |
| 文件大小： | 340K |
| 代理商： | MAX1572ETC150 |
M
800mA, 2MHz, PWM DC-to-DC
Step-Down Converter with
RESET
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
BATT
= 3.6V,
T
A
= +0
°
C to +85
°
C
, unless otherwise noted. Typical values are at T
A
= +25
°
C.)
PARAMETER
CONDITIONS
MIN
TYP
100
MAX
200
UNITS
SS Discharge Resistance
EN1 = EN2 = GND
V
ABATT
> 4.2V
V
ABATT
≤
4.2V
1.6
1.4
EN_ Logic Input High
V
EN_ Logic Input Low
EN_ Logic Input Current
RESET
Threshold
RESET
Timer Delay Time
RESET
Output Low Level
RESET
Internal Pullup Resistance to OUT
Thermal-Shutdown Threshold
Thermal-Shutdown Hysteresis
0.4
1
93
230
0.075
20
V
0.1
90
200
0.015
14
160
20
μA
%
ms
V
k
°
C
°
C
Percent of nominal, measured at OUT
From V
OUT
> 90% to
RESET
= HI
I
SINK
= 1mA
87
170
9
T
J
rising
ELECTRICAL CHARACTERISTICS
(V
BATT
= 3.6V,
T
A
= -40
°
C to +85
°
C
, unless otherwise noted.) (Note 3)
PARAMETER
CONDITIONS
MIN
2.6
2.20
TYP
MAX
5.5
2.55
80
3
UNITS
V
V
μA
μA
mA
μA
BATT Input Voltage
Undervoltage Lockout Threshold
Quiescent Supply Current
Shutdown Supply Current
Maximum Output Current
OUT Bias Current
V
BATT
rising and falling, 1% hysteresis
EN1 = GND, EN2 = BATT, no switching
EN1 = EN2 = GND
800
9
No load, EN1 = EN2 = BATT
100mA load
I
LX
= 180mA
I
LX
= 180mA
EN1 = EN2 = BATT
EN1 = BATT, EN2 = GND
(Note 2)
EN1 = EN2 = GND
3.2
+2.8
0.45
0.3
-0.22
65
1.4
10
Output-Voltage Accuracy
(Voltage Positioning)
-1.2
%
P-Channel On-Resistance
N-Channel On-Resistance
N-Channel Current-Limit Threshold
N-Channel Zero-Crossing Threshold
LX Output Current
LX Leakage Current
Maximum Duty Cycle
Minimum Duty Cycle
Switching Frequency
SS Output Impedance
SS Discharge Resistance
A
mA
A
RMS
μA
%
%
MHz
k
-0.68
10
100
EN1 = EN2 = BATT
17.3
2.2
150
200
1.8
65
EN1 = EN2 = GND
V
ABATT
> 4.2V
V
ABATT
≤
4.2V
1.6
1.4
EN_ Logic Input High
V
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1572ETC150+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1572ETC150-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 |
| MAX1572ETC180 | 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 |
| MAX1572ETC180+ | 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 |
| MAX1572ETC180+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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