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| 型号： | MAX1531ETJ+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/33页 |
| 文件大小： | 0K |
| 描述： | IC PS CTRLR MULTI-OUTPUT 32TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | 五路电源监控器 |
| 电源电压： | 4.5 V ~ 28 V |
| 电流 - 电源： | 1.7mA |
| 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： | 带卷 (TR) |
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Multiple-Output Power-Supply
Controllers for LCD Monitors
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V IN = 12V, V EN = V SEQ = 5V, T A = -40°C to +85°C , unless otherwise noted.) (Note 3)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
CONTROL AND SEQUENCE
ONL_ Input Threshold
EN Input Threshold
ONL_ rising, 25mV hysteresis
EN rising, 5% hysteresis
1.201
1.201
1.275
1.275
V
V
FAULT DETECTION
FB, FBL1, FBL2, FBL3, FBL4
Fault Trip Level
FBL5 Fault Trip Level
Overcurrent Protection Threshold
FB, FBL1, FBL2, FBL3, FBL4 falling, 25mV hysteresis
FBL5 rising, 25mV hysteresis
(V CSH - V CSL )
1.081
300
270
1.147
500
330
V
mV
mV
RESET FUNCTION
RSTIN Reset Trip Level
RSTIN falling, 25mV hysteresis
1.081
1.147
V
STEP-DOWN CONTROLLER
ERROR AMPLIFIER
FB Regulation Voltage
1.215
1.260
V
Current-Limit Threshold
(Default Mode)
Current-Limit Threshold
(Adjustable Mode)
PGND - LX, ILIM = VL
PGND - LX, V ILIM = 1.25V
170
170
330
330
mV
mV
LINEAR REGULATOR CONTROLLERS
POSITIVE LINEAR REGULATOR (LR1)
FBL1 Regulation Voltage
FBL1 Input Bias Current
V DRV1 = 5V, I DRV1 = 100μA
V FBL1 = 1.5V
1.220
-50
1.270
+50
V
nA
POSITIVE LINEAR REGULATORS (LR2 AND LR3)
FBL_ Regulation Voltage
FBL_ Input Bias Current
V DRV _ = 5V, I DRV _ = 100μA
V FBL _ = 1.5V
1.220
-50
1.270
+50
V
nA
POSITIVE LINEAR REGULATOR (LR4)
FBL4 Regulation Voltage
FBL4 Input Bias Current
V DRV4 = 5V, I DRV4 = 500μA
V FBL4 = 1.5V
1.220
-50
1.270
+50
V
nA
NEGATIVE LINEAR REGULATOR (LR5)
FBL5 Regulation Voltage
FBL5 Input Bias Current
DRV5 Source Current
V DRV5 = -10V, I DRV5 = 100μA
V FBL5 = 0V
V FBL5 = 200mV, V DRV5 = -10V
100
-50
2
150
+50
mV
nA
mA
Note 1: Operating supply range is guaranteed by VL line regulation test for the range of 5.5V to 28V. Between 4.5V and 5.5V, the V L
regulator might be in dropout; however, the part continues to operate properly.
Note 2: Guaranteed by design and not production tested.
Note 3: Specifications to -40 ° C are guaranteed by design and not production tested.
6
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