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参数资料
| 型号： | MAX1856EUB |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/18页 |
| 文件大小： | 0K |
| 描述： | IC PS PWM SLIC SYNCH 10-UMAX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 应用： | 控制器，卫星接收机顶盒，xDSL 和线缆调制解调器 |
| 输入电压： | 3 V ~ 28 V |
| 输出数： | 1 |
| 输出电压： | -24V，-72V |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 10-uMAX |
| 包装： | 管件 |
Wide Input Range, Synchronizable,
PWM SLIC Power Supply
ELECTRICAL CHARACTERISTICS (continued)
(V CC = SYNC/ SHDN, V CC = 5V, V LDO = 5V, R OSC = 200k ? , T A = -40 ° C to +85 ° C , unless otherwise noted.) (Note 3)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
R OSC = 100k ? ± 1%
86
94
Maximum Duty Cycle
D
R OSC = 200k ? ± 1%
87
93
%
R OSC = 500k ? ± 1%
86
94
Minimum SYNC Input Signal
Duty Cycle
Minimum SYNC Input
Low Pulse Width
45
200
%
ns
SYNC Input Frequency Range
f SYNC
100
500
kHz
SYNC/ SHDN Input High Voltage
SYNC/ SHDN Input Low Voltage
SYNC/ SHDN Input Current
V IH
V IL
V SYNC/ SHDN = 5V
V SYNC/ SHDN = 28V
2.0
0.45
3.0
10
V
V
μA
EXT On-Resistance
R ON(EXT)
EXT high or low
5
?
Note 1: This is the V CC current consumed when active, but not switching, so the gate-drive current is not included.
Note 2: The reference output voltage (VREF) is measured with respect to FB. The difference between REF and FB is guaranteed to
be within these limits to ensure output voltage accuracy.
Note 3: Specifications to -40 ° C are guaranteed by design, not production tested.
Typical Operating Characteristics
(Circuit of Figure 1, V CC = V SYNC/ SHDN = 12V, V OUT1 = -24V, V OUT2 = -72V, R OSC = 200k ? , unless otherwise noted.)
-22.0
-24V OUTPUT VOLTAGE
vs. LOAD CURRENT
-72.0
-72V CROSS-REGULATION VOLTAGE
vs. LOAD CURRENT
100
EFFICIENCY vs. LOAD CURRENT
(-24V OUTPUT)
-22.5
V IN = 5V
-72.5
90
V IN = 5V
V IN = 12V
-23.0
-73.0
V IN = 12V
80
-23.5
-24.0
V IN = 12V
V IN = 24V
V OUT1 = -24V
V OUT2 = -72V
I OUT2 = 5mA
-73.5
-74.0
V IN = 5V
V OUT1 = -24V
V OUT2 = -72V
I OUT2 = 5mA
V IN = 24V
70
60
V IN = 24V
V OUT1 = -24V
V OUT2 = -72V
I OUT2 = 5mA
-24.5
-74.5
50
0
100
200
300
400
500
600
700
0
100
200
300
400
500
600
700
0
100
200
300
400
500
600
700
I OUT1 (mA)
I OUT1 (mA)
I OUT1 (mA)
4
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| MAX1856EUB+ | 功能描述:电信线路管理 IC Synchronizable PWM SLIC Power Supply RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray |
| MAX1856EUB+T | 功能描述:电信线路管理 IC Synchronizable PWM SLIC Power Supply RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray |
| MAX1856EUB-T | 功能描述:电信线路管理 IC RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray |
| MAX1856EVKIT | 功能描述:电源管理IC开发工具 Evaluation Kit for the MAX1856 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 |
| MAX1857EUA47 | 功能描述:低压差稳压器 - LDO 500mA Ripple-Rejecting RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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