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| 型号： | MAX1904EAI+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/33页 |
| 文件大小： | 0K |
| 描述： | IC CNTRLR PWR SPLY LN 28-SSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,000 |
| 应用： | 控制器，笔记本电脑电源系统 |
| 输入电压： | 4.2 V ~ 30 V |
| 输出数： | 4 |
| 输出电压： | 2.5 V ~ 5 V |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 28-SSOP |
| 包装： | 带卷 (TR) |
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500kHz Multi-Output, Low-Noise Power-Supply
Controllers for Notebook Computers
ELECTRICAL CHARACTERISTICS (continued)
(V+ = 15V, both PWMs on, SYNC = V L , V L load = 0, REF load = 0, SKIP = 0, T A = 0 ° C to +85 ° C , unless otherwise noted. Typical
values are at T A = +25 ° C.)
PARAMETER
Maximum Duty Factor
CONDITIONS
SYNC = V L
SYNC = 0 (Note 2)
MIN
95
96.5
TYP
97
98
MAX
UNITS
%
SYNC Input High-Pulse Width
SYNC Input Low-Pulse Width
SYNC Rise/Fall Time
Not tested
Not tested
Not tested
200
200
200
ns
ns
ns
SYNC Input Frequency Range
400
583
kHz
Current-Sense Input Leakage Current
V+ = V L = 0,
CSL3 = CSH3 = CSL5 = CSH5 = 5.5V
0.01
10
μA
FLYBACK CONTROLLER
V DD Regulation Threshold
SECFB Regulation Threshold
DL Pulse Width
V DD Shunt Threshold
Falling edge (Note 3)
Falling edge (MAX1901/MAX1904)
V DD < 13V or SECFB < 2.44V
Rising edge, hysteresis = 1% (Note 3)
13
2.44
18
0.75
14
2.60
20
V
V
μs
V
V DD Shunt Sink Current
V DD Leakage Current
V DD = 20V (Note 3)
V DD = 5V, off mode (Notes 3, 4)
10
30
mA
μA
12V LINEAR REGULATOR (Note 3)
12OUT Output Voltage
12OUT Current Limit
Quiescent V DD Current
13V < V DD < 18V, 0 < I LOAD < 120mA
12OUT forced to 11V, V DD = 13V
V DD = 18V, run mode, no 12OUT load
11.65
12.10
150
50
12.50
100
V
mA
μA
INTERNAL REGULATOR AND REFERENCE
V L Output Voltage
SHDN = V+, RUN/ON3 = TIME/ON5 = 0,
5.4V < V+ < 30V, 0mA < I LOAD < 50mA
4.7
5.1
V
V L Undervoltage Lockout-Fault Threshold
V L Switchover Threshold
REF Output Voltage
REF Load Regulation
Falling edge, hysteresis = 1%
Rising edge of CSL5, hysteresis = 1%
No external load (Note 5)
0 < I LOAD < 50μA
0 < I LOAD < 5mA
3.5
4.2
2.45
3.6
4.5
2.5
3.7
4.7
2.55
12.5
100.0
V
V
V
mV
REF Sink Current
10
μA
REF Fault-Lockout Voltage
V+ Operating Supply Current
V+ Standby Supply Current
V+ Standby Supply Current in Dropout
V+ Shutdown Supply Current
Quiescent Power Consumption
Falling edge
V L switched over to CSL5, 5V SMPS on
V+ = 5.5V to 30V, both SMPSs off, includes
current into SHDN
V+ = 4.2V to 5.5V, both SMPSs off, includes
current into SHDN
V+ = 4.0V to 30V, SHDN = 0
Both SMPSs enabled,
(Note 3)
FB3 = FB5 = 0,
CSL3 = CSH3 = 3.5V,
MAX1901/MAX1904
CSL5 = CSH5 = 5.3V
1.8
5
30
50
4
2.5
1.5
2.4
50
60
200
10
4
4
V
μA
μA
μA
μA
mW
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相关代理商/技术参数 |
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| MAX1904EAI-TG074 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1904ETJ | 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX1904ETJ+ | 功能描述:DC/DC 开关控制器 500kHz Multi-Output Power-Supply Ctlr RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX1904ETJ+T | 功能描述:DC/DC 开关控制器 500kHz Multi-Output Power-Supply Ctlr RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX1904ETJ-T | 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
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