参数资料
型号: MAX1964TEEE+
厂商: Maxim Integrated Products
文件页数: 4/30页
文件大小: 0K
描述: IC POWER CTRLR/SEQUENCER 16QSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 100
应用: 电源控制器,序列发生器
输入电压: 4.5 V ~ 28 V
电流 - 电源: 1.25mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
供应商设备封装: 16-QSOP
包装: 管件
Tracking/Sequencing Triple/Quintuple
Power-Supply Controllers
ELECTRICAL CHARACTERISTICS (continued)
(V IN = 12V, ILIM = FB = GND, V BST - V LX = 5V, T A = 0 ° C to +85 ° C . Typical values are at T A = +25 ° C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
THERMAL PROTECTION (NOTE 3)
Thermal Shutdown
Thermal Shutdown Hysteresis
Rising temperature
160
15
° C
° C
ELECTRICAL CHARACTERISTICS
(V IN = 12V, ILIM = FB = GND, V BST - V LX = 5V, T A = -40 ° C to +85 ° C , unless otherwise noted.) (Note 4)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
GENERAL
Operating Input Voltage Range
(Note 1)
Quiescent Supply Current
V IN
I IN
V FB = 0, V OUT = 4V,
V FB2 = V FB3 = V FB4 = 1.5V,
V FB5 = -0.1V
MAX1964
MAX1965
4.5
28
2.5
3.0
V
mA
VL REGULATOR
Output Voltage
Line Regulation
Undervoltage Lockout Trip Level
VL
V UVLO
6V < V IN < 28V, 0.1mA < I LOAD <20mA
V IN = 6V to 28V
VL rising, 3% hysteresis (typ)
4.75
3.0
5.25
3.0
4.0
V
%
V
DC-DC CONTROLLER
Output Voltage (Preset Mode)
Feedback Set Voltage
(Adjustable Mode)
Current-Sense Amplifier Voltage
Gain
Current-Limit Threshold
(Internal Mode)
Current-Limit Threshold
(External Mode)
Switching Frequency
Maximum Duty Cycle
V OUT
V SET
A LIM
V VALLEY
V VALLEY
f OSC
D MAX
FB = GND
FB = COMP
V IN - V LX = 250mV
V ILIM = 5.0V
V ILIM = 2.5V
3.247
1.211
4.12
150
400
160
74
3.38
1.261
5.68
350
660
240
90
V
V
V/V
mV
mV
kHz
%
POSITIVE ANALOG GAIN BLOCKS
FB2, FB3, FB4 Regulation
Voltage
V B2 = V B3 = V B4 = 5V,
I B2 = I B3 = I B4 = 1mA (sink)
1.215
1.265
V
FB2, FB3, FB4 to B_
Transconductance Error
? V FB _
V B2 = V B3 = V B4 = 5V, I B2 = I B3 = I B4 =
0.5mA to 5mA (sink)
28
mV
4
_______________________________________________________________________________________
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