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参数资料
| 型号： | MAX5097BATE/V+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 14/21页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK 5V/ADJ 0.6A 16WQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 降压（降压） |
| 输出类型： | 两者兼有 |
| 输出数： | 1 |
| 输出电压： | 5V，1.24 V ~ 11 V |
| 输入电压： | 5 V ~ 40 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 330kHz |
| 电流 - 输出： | 600mA |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WQFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 16-TQFN-EP（5x5） |
40V, 600mA Buck Converters with Low-
Quiescent-Current Linear Regulator Mode
5V TO 40V
V IN
V IN
BP
C IN
100 μ F
EN
1.0 μ F
22 μ H
LDO/BUCK
SYNC
COMP
MAX5096
MAX5097
LX
D1*
B260/ C OUT
MURS105 22 μ F
+
V OUT
R1
R C
ADJ
C P
C C
OUT
R2
R PU
SS
RESET
RESET
C SS
CT
GND
PGND
*USE MURS105 IN APPLICATIONS
WHERE LDO MODE QUIESCENT
C CT
Figure 4. Adjustable Output Voltage Configuration
use typical values of V IN and f SW so that efficiency is opti-
mum for typical conditions. The switching frequency (f SW )
is fixed at 135kHz (MAX5096) and 330kHz (MAX5097).
CURRENT IS CRITICAL.
Table 1. Inductor/Output Capacitor
Selection
f SW can also be varied from 120kHz to 500kHz
(MAX5096) and from 300kHz to 500kHz (MAX5097) when
synchronized to an external clock (see the Oscillator/
Synchronization Input (SYNC) section). The peak-to-peak
inductor current, which reflects the peak-to-peak output
ripple, is worst at the maximum input voltage. See the
Output Capacitor Selection section to verify that the
worst-case output ripple is acceptable. The inductor satu-
rating current (I SAT ) is also important to avoid runaway
current during continuous output short circuit. Select an
inductor with an I SAT specification higher than the maxi-
mum peak current limit of 1.9A.
The Buck Mode operation determines the inductor and
output capacitor values. However, the values of the
inductor, its DCR, and the output capacitance/ESR
affect the closed-loop transfer function both in Buck
and LDO Modes. The internal compensation of the
INDUCTOR
22μH
47μH
100μH
OUTPUT CAPACITOR (C OUT )
22μF, ESR = 5m ? to 20m ? (ceramic)
47μF, ESR = 40m ? to 150m ?
100μF, ESR = 30m ? to 100m ?
470μF / ESR = 60 Ω to 400m Ω
22μF, ESR = 5m Ω to 20m Ω (ceramic)
47μF / ESR = 40m Ω to 150m Ω
100μF / ESR = 30m ? to 100m ?
470μF / ESR = 60m ? to 400m ?
22μF, ESR = 5m ? to 20m ? (ceramic)
47μF / ESR = 40m ? to 150m ?
100μF / ESR = 30m ? to 100m ?
470μF / ESR = 60m ? to 400m ?
MAX5096/MAX5097 in LDO Mode limits the values of
these external components. Make sure that the combi-
nation of output inductor, capacitor, and ESR falls with-
in the range specified in following Table 1.
Output Capacitor Selection
The allowable output voltage ripple and the maximum
deviation of the output voltage during load steps deter-
mine the output capacitance and its ESR. The output
14
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5097BAUP+ | 功能描述:直流/直流开关转换器 40V 600mA Buck Converter 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 |
| MAX5097BAUP+T | 功能描述:直流/直流开关转换器 40V 600mA Buck Converter 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 |
| MAX5098A | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Dual, 2.2MHz, Automotive Buck or Boost Converter with 80V Load-Dump Protection |
| MAX5098AATJ | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Dual, 2.2MHz, Automotive Buck or Boost Converter with 80V Load-Dump Protection |
| MAX5098AATJ+ | 功能描述:直流/直流开关转换器 Dual 2.2MHz Buck or Boost Converter 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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