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参数资料
| 型号： | MAX5083ATE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/18页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 1.5A 16TQFN |
| 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： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1.23 V ~ 32 V |
| 输入电压： | 7.5 V ~ 40 V |
| PWM 型： | 电压模式 |
| 频率 - 开关： | 250kHz |
| 电流 - 输出： | 1.5A |
| 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） |
1.5A, 40V, MAXPower Step-Down
DC-DC Converters
ELECTRICAL CHARACTERISTICS (continued)
(V IN = V ON/ OFF = 12V, V REG = V DVREG , V SYNC = PGND = SGND, T A = T J = -40°C to +125°C, unless otherwise noted. Typical values
are at T A = + 25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
OSCILLATOR
Frequency
f SW
V SYNC = 0V
225
250
275
kHz
V SYNC = 0V, V IN = 4.5V, MAX5082
87
Maximum Duty Cycle
D MAX
V SYNC = 0V, V IN = 7.5V, MAX5083
87
%
V SYNC = 0V, V IN ≤ 40V
87
SYNC High-Level Voltage
SYNC Low-Level Voltage
2.2
0.8
V
V
SYNC Frequency Range
PWM Modulator Gain
Ramp Level Shift (Valley)
f SYNC
f SYNC = 150kHz to 350kHz
150
10
0.3
350
kHz
V/V
V
POWER SWITCH
Switch On-Resistance
V BST - V LX = 6V
0.3
0.6
?
Switch Gate Charge
Switch Leakage Current
BST Leakage Current
V BST - V LX = 6V
V IN = 40V, V LX = V BST = 0V
V BST = V LX = V IN = 40V
6
10
10
nC
μA
μA
CHARGE PUMP
C- Output Voltage Low
C- Output Voltage High
DVREG to C+ On-Resistance
LX to PGND On-Resistance
MAX5082 only, sinking 10mA
MAX5082 only, relative to DVREG,
sourcing 10mA
MAX5082 only, sourcing 10mA
Sinking 10mA
0.1
0.1
10
12
V
V
?
?
CURRENT-LIMIT COMPARATOR
Pulse-Skip Threshold
Cycle-by-Cycle Current Limit
I PFM
I ILIM
100
1.9
200
2.7
300
3.5
mA
A
Number of Consecutive ILIM
Events to Hiccup
4
Hiccup Timeout
INTERNAL VOLTAGE REGULATOR
512
Clock
periods
Output Voltage
V REG
MAX5082
MAX5083
4.75
7.6
5
8
5.25
8.4
V
Line Regulation
Load Regulation
Dropout Voltage
V IN = 5.5V to 40V, MAX5082
V IN = 9.0V to 40V, MAX5083
I REG = 0 to 20mA
V IN = 4.5V, I REG = 20mA, MAX5082
V IN = 7.5V, I REG = 20mA, MAX5083
1
1
0.25
0.5
0.5
mV/V
V
V
THERMAL SHUTDOWN
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
Temperature rising
+160
20
° C
° C
Note 1: 100% production tested at T A = +25°C and T A = +125°C. Limits at -40°C are guaranteed by design.
_______________________________________________________________________________________
3
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相关代理商/技术参数 |
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| MAX5084ATT+T | 功能描述:线性稳压器 - 标准 65V 200mA Low-Q 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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| MAX5085ATT+T | 功能描述:线性稳压器 - 标准 65V 200mA Low-Q 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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