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参数资料
| 型号： | MAX1830 |
| 厂商： | Maxim Integrated Products, Inc. |
| 英文描述： | Replaced by TMS320BC52 : |
| 中文描述： | 3A、1MHz、低电压、降压型稳压器，内置同步整流与开关 |
| 文件页数： | 3/13页 |
| 文件大小： | 278K |
| 代理商： | MAX1830 |
M
3A, 1MHz, Low-Voltage, Step-Down Regulators with
Synchronous Rectification and Internal Switches
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= V
CC
= +3.3V, FBSEL = GND,
T
A
= 0
°
C to +85
°
C
, unless otherwise noted. Typical values are at T
A
= +25
°
C.)
ELECTRICAL CHARACTERISTICS
(V
IN
= V
CC
= +3.3V, FBSEL = GND,
T
A
= -40
°
C to +85
°
C
, unless otherwise noted.) (Note 5)
PARAMETER
SYMBOL
V
IN
, V
CC
CONDITIONS
MIN
3.0
2.475
TYP
MAX
5.5
2.575
UNITS
V
Input Voltage
FBSEL = V
CC
FBSEL =
unconnected
1.485
1.545
FBSEL = REF
(MAX1830)
1.782
1.854
V
IN
= +3V to +5.5V,
I
LOAD
= 0 to 3A,
V
FB
= V
OUT
FBSEL = GND
1.078
1.122
Preset Output Voltage
V
OUT
V
IN
= +3.7V to +5.5V,
I
LOAD
= 0 to 3A,
V
FB
= V
OUT
FBSEL = REF
(MAX1831)
3.267
3.399
V
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SHDN
= GND, into V
CC
and IN pins; LX = 0
or 3.3V
0.2
20
SHDN
= GND, into IN with LX = 0
SHDN
= GND, into IN with LX = 3.3V
Hysteresis = 15
°
C
V
IN
falling, hysteresis = 90mV
V
FB
= 1.2V
R
TOFF
= 110k
R
TOFF
= 44k
R
TOFF
= 440k
0.2
0.1
165
2.6
70
1.00
0.4
3.9
4
t
OFF
20
20
Shutdown Supply Current
μA
Thermal Shutdown Threshold
Undervoltage Lockout Threshold
FB Input Bias Current
T
SHDN
V
UVLO
I
FB
°
C
V
nA
μs
μs
μs
μs
μs
1.8
0
0.85
0.3
3.0
2.8
300
1.15
0.5
5.0
Off-Time
t
OFF
Startup Off-Time
Minimum On-Time
Soft-Start Time (Note 3)
SHDN
Input Current
SHDN
Logic Input Low Voltage
SHDN
Logic Input High Voltage
FBSEL Input Current
t
ON
(Note 2)
0.40
3
256
cycles
μA
V
V
μA
V
V
I
SHDN
V
IL
V
IH
SHDN
= 0 or V
CC
-0.5
0.5
0.8
2.0
-5
5
FBSEL = GND
FBSEL = REF
0.2
1.3
0.9
FBSEL = unconnected
0.7
V
CC
- 0.2
0.7
V
CC
+ 0.2
V
CC
+ 0.2
V
FBSEL Logic Thresholds
FBSEL = V
CC
V
CC
- 0.2
V
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1830EEE | 功能描述:直流/直流开关调节器 RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MAX1830EEE+ | 功能描述:直流/直流开关调节器 3A 1MHz Step-Down RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MAX1830EEE+ | 制造商:Maxim Integrated Products 功能描述:SEMICONDUCTOR ((NW)) 制造商:Maxim Integrated Products 功能描述:IC STEP-DOWN PWM DC/DC CONVERTER QSOP-16 |
| MAX1830EEE+T | 功能描述:直流/直流开关调节器 3A 1MHz Step-Down RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MAX1830EEE-T | 功能描述:直流/直流开关调节器 RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
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