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参数资料
| 型号： | MAX5024_ASA |
| 厂商： | Maxim Integrated Products, Inc. |
| 英文描述： | 65V, Low-Quiescent-Current, High-Voltage Linear Regulators with レP Reset and Watchdog Timer |
| 中文描述： | 65V的，低静态电流，高电压线性レP复位和看门狗定时器稳压器 |
| 文件页数： | 11/13页 |
| 文件大小： | 371K |
| 代理商： | MAX5024_ASA |
Example 1:
T
A
= +95
°
C
V
IN
= +14V
V
OUT
= +5V
Find the maximum allowable output current. First calcu-
late package dissipation at the given temperature as
follows:
Then determine the maximum output current:
)
=
(
(
Example 2:
T
A
= +125
°
C
V
IN
= +14V
V
OUT
= +3.3V
Calculate package dissipation at the given temperature
as follows:
=
480 4
.
And establish the maximum current:
Example 3:
T
A
= +50
°
C
V
IN
= +14V
V
OUT
= +5V
Calculate package dissipation at the given temperature
as follows:
P
D
= 1.538W
And find the maximum output current:
=
(
(
In Example 3, the maximum output current is calculated
as 170.9mA, however, the maximum output current
cannot exceed 150mA. Use Figure 6 to quickly deter-
mine allowable maximum output current for selected
ambient temperatures.
Capacitor Selection and Regulator
Stability
For stable operation over the full temperature range
and with load currents up to 150mA, use a 15μF (min)
output capacitor with an ESR < 0.5
. To reduce noise
and improve load-transient response, stability, and
power-supply rejection, use larger output capacitor val-
ues such as 22μF.
Some ceramic dielectrics exhibit large capacitance
and ESR variation with temperature. For dielectric
capacitors such as Z5U and Y5V, use 22μF or more to
ensure stability at temperatures below -10
°
C. With X7R
or X5R dielectrics, 15μF should be sufficient at all oper-
ating temperatures. For high-ESR tantalum capacitors
use 22μF or more to maintain stability. To improve
power-supply rejection and transient response use a
minimum 10μF capacitor between IN and GND.
I
W
V
mA
I
mA
OUT MAX
OUT MAX
)
)
)
) (
)
=
=
1 538
14
170 9
150
.
.
I
mW
V
mA
OUT MAX
)
=
(
)
(
) (
)
=
480 4
14
44 89
.
.
P
W
mW
D
=
°
)
1 538
.
25
- 0.01923W/ C 1
C-70 C
I
W
V
mA
OUT MAX
)
) (
)
=
1 057
14
117 4
.
.
M
65V, Low-Quiescent-Current, High-Voltage Linear
Regulators with μP Reset and Watchdog Timer
______________________________________________________________________________________
11
MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE
M
V
IN
(V)
I
O
65
60
5 10 15
25 30 35 40 45 50
20
55
0.02
0.04
0.06
0.08
0.10
0.12
0.14
0.16
0
0
70
V
OUT
= +5V
DEVICE EXPOSED
PAD SOLDERED TO
1IN
2
COPPER ISLAND
T
A
= +70
°
C
T
A
= +125
°
C
T
A
= +85
°
C
Figure 6. Maximum Output Current vs. Input Voltage
P
W
W
D
=
)
=
1 538
.
1 057
.
- 0.01923W/ C 95 C -70 C
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5024LASA | 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 |
| MAX5024LASA+ | 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 |
| MAX5024LASA+ | 制造商:Maxim Integrated Products 功能描述:REGULATOR ((NW)) |
| MAX5024LASA+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 |
| MAX5024LASA-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 |
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