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参数资料
| 型号： | MAX1585 |
| 厂商： | Maxim Integrated Products, Inc. |
| 英文描述： | 5-Channel Slim DSC Power Supplies |
| 中文描述： | 5通道、纤小的DSC电源 |
| 文件页数： | 6/29页 |
| 文件大小： | 632K |
| 代理商： | MAX1585 |
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M
5-Channel Slim DSC Power Supplies
6
_______________________________________________________________________________________
PARAMETER
CONDITIONS
MIN
1.225
MAX
1.275
UNITS
V
FBSD Regulation Voltage
FBSD to CCSD
Transconductance
FBSD Input Leakage Current
LXSD Leakage Current
FBSD = CCSD
80
185
μS
FBSD = 1.25V
V
LXSD
= 0 to 3.6V, PVSU = 3.6V
N channel
P channel
0.1mA into
SDOK
ONSU = GND
-100
+100
5
150
250
0.95
0.1
1
nA
μA
Switch On-Resistance
m
P-Channel Current Limit
SDOK
Output Low Voltage
SDOK
Leakage Current
AUX1, 2, 3 DC-DC CONTROLLERS
Maximum Duty Cycle
FB1 and FB3 Regulation Voltage
FB2 (MAX1584) Regulation
Voltage
FB2 (MAX1585) (Inverter)
Regulation Voltage
FB_ to CC_ Transconductance
FB_ Input Leakage Current
DL_ Driver Resistance
AUX1OK
Output Low Voltage
AUX1OK
Leakage Current
OVERLOAD AND THERMAL PROTECTION
SCF Leakage Current
SCF Output Low Voltage
LOGIC INPUTS
0.65
80
1.225
A
V
μA
%
V
FB_ = 1V
FB_ = CC_
90
1.275
FB_ = CC_
1.225
1.275
V
FB_ = CC_
-0.01
+0.01
V
FB_ = CC_
FB_ = 1.25V
Output high or low
0.1mA into
AUX1OK
ONSU = GND
80
-100
185
+100
10
0.1
1
μS
nA
V
μA
μA
V
ONSU = PVSU, FBSU = 1.5V
0.1mA into SCF
1.1V < PVSU < 1.8V (ONSU only)
1.8V < PVSU < 5.5V
1.1V < PVSU < 1.8V (ONSU only)
1.8V < PVSU < 5.5V
1
0.1
0.2
0.4
ON_ Input Low Level
V
V
PVSU
- 0.2
1.6
ON_ Input High Level
V
ELECTRICAL CHARACTERISTICS (continued)
(V
PVSU
= V
PV
= V
PVSD
= V
INDL2
= 3.6V,
T
A
= -40
°
C to +85
°
C
, unless otherwise noted.) (Note 8)
Note 2:
The MAX1584/MAX1585 are powered from the step-up output (PVSU). An internal low-voltage startup oscillator drives the
step-up starting at about 0.9V until PVSU reaches approximately 2.5V. When PVSU reaches 2.5V, the main control circuitry
takes over. Once the step-up is up and running, it can maintain operation with very low input voltages; however, output cur-
rent is limited.
Note 3:
Since the device is powered from PVSU, a Schottky rectifier, connected from the input battery to PVSU, is required for low-
voltage startup, or if PVSD is connected to V
IN
instead of PVSU.
Note 4:
The step-up regulator is in startup mode until this voltage is reached. Do not apply full load current during startup. A power-
OK output can be used with an external PFET to gate the load until the step-up is in regulation. See the
Applications
Information
section.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1585ETJ | 功能描述:直流/直流开关转换器 5Ch Slim DSC Power Supply RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1585ETJ+ | 功能描述:直流/直流开关转换器 5Ch Slim DSC Power Supply RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1585ETJ+T | 功能描述:直流/直流开关转换器 5Ch Slim DSC Power Supply RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1585ETJ-T | 功能描述:直流/直流开关转换器 5Ch Slim DSC Power Supply RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1585EVKIT | 功能描述:直流/直流开关转换器 Evaluation Kit for the MAX1585 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
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