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参数资料
| 型号： | MAX5024MASA+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 10/13页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 5V/ADJ .15A 8-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 稳压器拓扑结构： | 正，固定式或可调式 |
| 输出电压： | 5V，2.5 V ~ 11 V |
| 输入电压： | 6.5 V ~ 65 V |
| 电压 - 压降（标准）： | 0.9V @ 150mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 150mA（最小） |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
65V, Low-Quiescent-Current, High-Voltage Linear
Regulators with μP Reset and Watchdog Timer
Table 1. Truth Table for Regulator Output
State
+6.5V TO +65V
+2.5V TO +11V
ORDER
EN
HOLD
OUT
COMMENTS
10 μ F
IN
OUT
15 μ F
Initial state. EN has 5M ?
MAX5024
1
Low
X
Off
internal resistor to ground.
HOLD has internal current
ON
HOLD
source to OUT.
OFF
EN
R1
2
3
High
High
X
Low
On
On
Regulator output is active
when EN is pulled high.
Hold is asserted forcing the
regulator output on even if
TO μ P
RESET
GND
SET
R2
EN goes low.
4
X
Low
On
Self-holding state. Regulator
output stays on regardless of
the state of EN.
V OUT = V SET (1 + R1 / R2)
V SET = 1.248V
R2 = 1k ? TO 500k ?
Regulator output is
5
Low
High
Off
shutdown by releasing
HOLD while EN remains low.
Figure 4. Setting the MAX5024 Adjustable Output Voltage
X = Don’t care.
2.0
Select preset voltage mode by connecting SET to
ground. In adjustable mode, select an output between
+2.5V and +11V using two external resistors connected
as a voltage-divider to SET (Figure 4). Set the output
1.8
1.6
1.4
1.2
1.0
1.538W
DERATE
19.23mW/ ° C
voltage using the following equation:
V OUT = V SET (1 + R1 / R2)
where V SET = 1.248V and R2 ? 100k ? .
Available Output Current Calculation
The MAX5023/MAX5024 high-voltage regulator pro-
vides up to 150mA of output current. The input voltage
extends to +65V. Package power dissipation limits the
amount of output current available for a given input/
output voltage and ambient temperature. Figure 5
depicts the maximum power dissipation curve for these
devices. The graph assumes that the exposed metal
pad of the MAX5023/MAX5024 package is soldered to
0.8
0.6
0.4
0.2
10 20 30 40 50 60 70 80 90 100 110 120 130 140 150
T A ( ° C)
Figure 5. Maximum Power Dissipation vs. Temperature
After determining the allowable package dissipation,
calculate the maximum output current using the follow-
ing formula:
I OUT ( ) ?
1in 2 of PC board copper.
Use Figure 5 to determine the allowable package dissi-
pation for a given ambient temperature. Alternately, use
MAX
P D
V IN - V OUT
≤ 150 mA
? 1 . 538 W for T A ≤ + 70 ° C ?
? ? 1 . 538 - 0.01923 ( T A - 70 ° C ) for + 70 ° C < T A ≤ + 125 ° C ? ?
the following formula to calculate the allowable pack-
age dissipation:
P D = ? ?
The above equations do not include the negligible
power dissipation from self-heating due to the IC
ground current.
10
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5024SASA | 功能描述:线性稳压器 - 标准 65V Low-Q w/uP Reset & Watchdog Timer RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
| MAX5024SASA+ | 功能描述:线性稳压器 - 标准 65V Low-Q w/uP Reset & Watchdog Timer RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
| MAX5024SASA+T | 功能描述:线性稳压器 - 标准 65V Low-Q w/uP Reset & Watchdog Timer RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
| MAX5024SASA-T | 功能描述:线性稳压器 - 标准 65V Low-Q w/uP Reset & Watchdog Timer RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
| MAX5024TASA | 功能描述:线性稳压器 - 标准 65V Low-Q w/uP Reset & Watchdog Timer RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
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