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| 型号： | MAX6473TA28BD3+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/20页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 2.8V/ADJ .3A 8TDFN-EP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 稳压器拓扑结构： | 正，固定式或可调式 |
| 输出电压： | 2.8V，1.25 V ~ 5.5 V |
| 输入电压： | 2.5 V ~ 5.5 V |
| 电压 - 压降（标准）： | 0.137V @ 300mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 300mA（最小） |
| 电流 - 限制（最小）： | 450mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-WDFN 裸露焊盘 |
| 供应商设备封装： | 8-TDFN-EP（3x3） |
| 包装： | 标准包装 |
| 其它名称： | MAX6473TA28BD3+TDKR |
300mA LDO Linear Regulators with Internal
Microprocessor Reset Circuit
ELECTRICAL CHARACTERISTICS (continued)
(V IN = (V OUT + 0.5V) or +2.5V, whichever is greater, C OUT = 3.3μF, T A = -40°C to +85°C. Typical specifications are at T A = +25°C,
unless otherwise noted.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
MR Input Low Voltage
V IL
0.3 ×
V OUT
V
MR Input High Voltage
MR Minimum Input Pulse
MR Glitch Rejection
MR to Reset Delay
V IH
(Note 3)
0.7 ×
V OUT
1
120
200
V
μs
ns
ns
MR Pullup Resistance
RESET Output Voltage
(Open Drain)
Open-Drain Reset Output
Leakage Current
V OL
I LKG
MR to OUT
V OUT ≥ 1.0V, I SINK = 50μA, RESET asserted
V OUT ≥ 1.5V, I SINK = 3.2mA, RESET asserted
(Note 3)
25
40
70
0.3
0.4
1
k ?
V
μA
RESET Output Voltage Push-Pull
V OL
V OH
V OUT ≥ 1.0V, I SINK = 50μA, RESET asserted
V OUT ≥ 1.5V, I SINK = 3.2mA, RESET asserted
V OUT ≥ 2.0V, I SOURCE = 500μA, RESET
deasserted
0.8 ×
V OUT
0.3
0.4
V
Note 2:
Note 3:
Note 4:
Note 5:
Note 6:
All devices are 100% production tested at +25°C and are guaranteed by correlation for T A = T MIN to T MAX .
Guaranteed by design.
Dropout voltage is defined as (V IN - V OUT ) when V OUT is 2% below the value of V OUT for V IN = V OUT(NOM) + 1V.
MAX6473/MAX6474/MAX6481/MAX6482 are guaranteed by design for V OUT < 2.5V.
Select the reset timeout period using the Reset Timeout Delay Guide (Table 3). Insert the appropriate suffix in the part number
when ordering.
Typical Operating Characteristics
(V IN = 5V, V OUT = 3.3V, C OUT = 3.3μF, T A = +25°C, unless otherwise noted.)
120
GROUND CURRENT vs. INPUT VOLTAGE
(NO LOAD)
120
GROUND CURRENT vs. INPUT VOLTAGE
(300mA LOAD)
150
MAXIMUM TRANSIENT DURATION
vs. RESET THRESHOLD OVERDRIVE
100
80
60
40
+85 ° C
+25 ° C
-40 ° C
100
80
60
40
+25 ° C
-40 ° C
+85 ° C
125
100
75
50
RESET ASSERTS ABOVE
THIS LINE
20
0
20
0
25
0
0
1
2
3
4
5
6
0
1
2
3
4
5
6
1
10
100
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
RESET THRESHOLD OVERDRIVE (mV)
4
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相关代理商/技术参数 |
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| MAX6473TA28BD4+T | 功能描述:低压差稳压器 - LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MAX6473TA28BD4-T | 功能描述:低压差稳压器 - LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MAX6473TA29AD1+T | 功能描述:低压差稳压器 - LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MAX6473TA29AD1-T | 功能描述:低压差稳压器 - LDO 300mA LDO Linear Regulators with Internal Microprocessor Reset Circuit RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MAX6473TA29AD2+T | 功能描述:低压差稳压器 - LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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