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| 型号： | MAX1585ETJ+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/29页 |
| 文件大小： | 0K |
| 描述： | IC DGTL CAM PWR SUP 5CH 32TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 60 |
| 应用： | 控制器，数字式相机 |
| 输入电压： | 0.7 V ~ 5.5 V |
| 输出数： | 5 |
| 输出电压： | 1.25 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-WFQFN 裸露焊盘 |
| 供应商设备封装： | 32-TQFN-EP（5x5） |
| 包装： | 管件 |
| 产品目录页面： | 1422 (CN2011-ZH PDF) |
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5-Channel Slim DSC Power Supplies
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)
PARAMETER
FBSD Regulation Voltage
FBSD to CCSD
Transconductance
FBSD Input Leakage Current
FBSD = CCSD
FBSD = 1.25V
CONDITIONS
MIN
1.225
80
-100
MAX
1.275
185
+100
UNITS
V
μS
nA
LXSD Leakage Current
Switch On-Resistance
P-Channel Current Limit
SDOK Output Low Voltage
SDOK Leakage Current
V LXSD = 0 to 3.6V, PVSU = 3.6V
N channel
P channel
0.1mA into SDOK
ONSU = GND
0.65
5
150
250
0.95
0.1
1
μA
m Ω
A
V
μA
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
FB_ = 1V
FB_ = CC_
FB_ = CC_
FB_ = CC_
FB_ = CC_
FB_ = 1.25V
Output high or low
0.1mA into AUX1OK
ONSU = GND
80
1.225
1.225
-0.01
80
-100
90
1.275
1.275
+0.01
185
+100
10
0.1
1
%
V
V
V
μS
nA
Ω
V
μA
OVERLOAD AND THERMAL PROTECTION
SCF Leakage Current
SCF Output Low Voltage
ONSU = PVSU, FBSU = 1.5V
0.1mA into SCF
1
0.1
μA
V
LOGIC INPUTS
ON_ Input Low Level
ON_ Input High Level
1.1V < PVSU < 1.8V (ONSU only)
1.8V < PVSU < 5.5V
1.1V < PVSU < 1.8V (ONSU only)
1.8V < PVSU < 5.5V
V PVSU - 0.2
1.6
0.2
0.4
V
V
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.
6
_______________________________________________________________________________________
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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+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 |
| MAX1586AETM | 功能描述:直流/直流开关调节器 PMICs w/Dynamic Core for PDAs 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 |
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