参数资料
型号: MAX1964TEEE+
厂商: Maxim Integrated Products
文件页数: 5/30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 = -40 ° C to +85 ° C , unless otherwise noted.) (Note 4)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
NEGATIVE ANALOG GAIN BLOCK
FB5 Regulation Voltage
V B5 = V OUT - 2V, V OUT = 3.5V,
I B5 = 1mA (source)
-25
+10
mV
FB5 to B5 Transconductance Error
? V FB5
V B5 = 0, I B5 = 0.5mA to 5mA (source)
-30
mV
POWER GOOD (POK)
OUT Trip Level (Preset Mode)
FB Trip Level (Adjustable Mode)
FB2, FB3, FB4 Trip Level
FB5 Trip Level
FB = GND, falling edge, 3% hysteresis (typ)
Falling edge, 3% hysteresis (typ)
Falling edge, 3% hysteresis (typ)
Rising edge, 35mV hysteresis (typ)
2.85
1.058
1.058
325
3.15
1.17
1.17
675
V
V
V
mV
Note 1:
Note 2:
Note 3:
Note 4:
Connect VL to IN for operation with V IN < 5V.
See Output Voltage Selection section.
The internal 5V linear regulator (VL) powers the thermal shutdown block. Shorting VL to GND disables thermal shutdown.
Specifications to -40 ° C are guaranteed by design, not production tested.
Typical Operating Characteristics
(Circuit of Figure 1, V IN = 12V, V OUT = 3.3V, T A = +25 ° C, unless otherwise noted.)
100
90
EFFICIENCY vs. LOAD CURRENT
(PRESET MODE)
V IN = 6.5V
3.33
3.32
OUTPUT VOLTAGE vs. LOAD CURRENT
(PRESET MODE)
100
90
EFFICIENCY vs. LOAD CURRENT
(ADJUSTABLE MODE)
V IN = 6.5V
80
3.31
80
V IN = 8V
70
60
V IN = 8V
V IN = 12V
V IN = 18V
V IN = 24V
3.30
3.29
3.28
70
60
V IN = 12V
V IN = 18V
V IN = 24V
V OUT = 3.3V
V OUT = +5.0V
50
3.27
50
0.01
0.1
1
10
0
0.5
1.0
1.5
2.0
2.5
3.0
0.01
0.1
1
10
LOAD CURRENT (A)
LOAD CURRENT (A)
LOAD CURRENT (A)
_______________________________________________________________________________________
5
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