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参数资料
| 型号： | MAX5051AUI+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/21页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR PWM VM 28-TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| PWM 型： | 电压模式 |
| 输出数： | 1 |
| 频率 - 最大： | 500kHz |
| 占空比： | 48% |
| 电源电压： | 11 V ~ 76 V |
| 降压： | 无 |
| 升压： | 是 |
| 回扫： | 是 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 是 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 28-SOIC（0.173"，4.40mm 宽）裸露焊盘 |
| 包装： | 带卷 (TR) |
Parallelable, Clamped Two-Switch
Power-Supply Controller IC
ELECTRICAL CHARACTERISTICS (continued)
(AVIN = 12V, PVIN = 12V, V UVLO = V STT = 3V, V CON = 3V, R RCOSC = 24k ? , C CSS = 10nF, C RCOSC = 100pF, C REG9 = 4.7μF,
C REG5 = 4.7μF, T A = T MIN to T MAX , unless otherwise noted. Typical values are at T A = +25 ° C. All driver, voltage-regulator, and refer-
ence outputs unconnected except for bypass capacitors.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SOFT-START/REFERENCE (CSS)
Reference Voltage
Soft-Start Pullup Current
V CSS
I CSS
1.215
1.235
70
1.255
V
μA
ERROR AMPLIFIER (CSS, FB, COMP)
FB Input Range
FB Input Current
COMP Output Range
COMP Output Sink Current
COMP Output Source Current
Open-Loop Gain
Unity-Gain Bandwidth
FB Offset Voltage
COMP Output Slew Rate
V FB
I FB
G A
BW
V OS
SR
Inferred from FB offset voltage test
V FB = V REF
Inferred from FB offset voltage test
V FB = 3V
V FB = 0V
2.1V < V COMP < 6V
C COMP = 50pF, I COMP = ± 5mA
V FB = 0 to 3V; V COMP = 2.1V to 6V;
I COMP = -5mA to +5mA
C COMP = 50pF
0
2.1
-3
20
30
80
3
1
3
± 250
6.0
+3
V
nA
V
mA
mA
dB
MHz
mV
V/μs
PVIN UNDERVOLTAGE LOCKOUT (STT)
PVIN Undervoltage Lockout
V PVIN rising
22
23.5
25
V
STT Threshold
V STT
V STT rising
1.18
1.24
1.30
V
STT Input Impedance
R STT
100
k ?
INTEGRATING FAULT PROTECTION (FLTINT)
FLTINT Source Current
FLTINT Shutdown Threshold
FLTINT Restart Hysteresis
I FLTINT
V FLTINTSD
V FLTINTHY
V FLTINT = 0V
V FLTINT = rising
90
2.9
0.9
μA
V
V
OSCILLATOR (RCOSC, SYNCIN, SYNCOUT)
PWM Period
Maximum PWM Duty Cycle
Maximum RCOSC Frequency
Maximum SYNCIN Frequency
SYNCIN High-Level Voltage
SYNCIN Low-Level Voltage
SYNCIN Pulldown Resistor
SYNCIN Rising to SYNCOUT
Falling Delay
SYNCIN Falling to SYNCOUT
Rising Delay
t S
D MAX
f RCOSCMAX
f SYNCIN
VH SYNCIN
VL SYNCIN
R RCOSC = 24k ? , C RCOSC = 100pF
R RCOSC = 24k ? , C RCOSC = 100pF
50% duty cycle
Pulse rising
Pulse falling
2.1
3.9
48
1
500
100
30
70
0.8
μs
%
MHz
kHz
V
V
k ?
ns
ns
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| MAX5051EUI+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX5051EVKIT | 功能描述:电源管理IC开发工具 MAX5051 Eval Kit RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
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| MAX5052AEUA | 功能描述:电流型 PWM 控制器 w/Error Amplifier RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
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