参数资料
型号: MAX1623EAP
厂商: Maxim Integrated Products
文件页数: 3/12页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 3A 20SSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 66
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 1.1 V ~ 3.8 V
输入电压: 4.5 V ~ 5.5 V
PWM 型: 电流模式,混合
频率 - 开关: 最高 350kHz
电流 - 输出: 3A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-SSOP(0.209",5.30mm 宽)
包装: 管件
供应商设备封装: 20-SSOP
3A, Low-Voltage, Step-Down Regulator with
Synchronous Rectification and Internal Switches
ELECTRICAL CHARACTERISTICS
(V IN = V CC = 5V, FBSEL unconnected, R TOFF = 110k ? , T A = -40°C to +85°C , unless otherwise noted.) (Note 4)
PARAMETER
Input Voltage Range
CONDITIONS
MIN
4.5
TYP
MAX
5.5
UNITS
V
FBSEL = unconnected
3.234
3.366
Output Voltage
V IN = 4.5V to 5.5V,
I LOAD = 0 to 3A
FBSEL = V CC
FBSEL = GND or REF
2.450
1.075
2.550
1.110
V
Output Adjustment Range
Reference Output Voltage
FBSEL = GND or REF (Note 2)
I REF = 0
V REF
1.075
3.8
1.110
V
V
Current-Limit Threshold
PMOS Switch On-Resistance
NMOS Switch On-Resistance
No-Load Supply Current
Shutdown Supply Current
V IN = 4.5V
V IN = 4.5V
Does not include switching losses
SHDN = GND
3.5
4.75
0.1
0.1
600
10
A
?
?
μA
μA
LX Leakage Current
Undervoltage Lockout Threshold
FB Input Bias Current
Off-Time Adjustment Range
Off-Time Default Period
SHDN Input Current
V IN = 5.5V, V LX = 5.5V or 0
V CC falling, 100mV hysteresis
FBSEL = GND, adjustable output mode, V FB = 1.2V
SHDN = GND or V CC
-20
4.0
-50
0.55
0.85
-1
20
4.3
50
4
1.25
1
μA
V
nA
μs
μs
μA
SHDN Input Low Voltage
SHDN Input High Voltage
2.2
0.8
V
V
Note 2: Guaranteed by design, not production tested.
Note 3: Idle Mode threshold is defined as the transition point in the load-current range between Idle Mode and constant-off-time
operation.
Note 4: Specifications to -40°C are guaranteed by design, not production tested.
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3
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MAX1623EAP+T 功能描述:直流/直流开关调节器 3A Step-Down w/Synch Rectification RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5
MAX1623EAP-T 功能描述:直流/直流开关调节器 RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5
MAX1623EVKIT 功能描述:直流/直流开关调节器 Evaluation Kit for the MAX1623 RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5