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| 型号： | MAX1531ETJ+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/33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
ABSOLUTE MAXIMUM RATINGS
IN, DRV1, DRV2, DRV3, DRV4, CSH,
CSL to AGND .....................................................-0.3V to +30V
DRV5 to VL .............................................................-28V to +0.3V
CSH to CSL ..............................................................-0.3V to +6V
VL to AGND ..............................................................-0.3V to +6V
PGND to AGND................................................................... ± 0.3V
LX to BST..................................................................-6V to +0.3V
BST to AGND..........................................................-0.3V to +36V
DH to LX .....................................................-0.3V to (BST + 0.3V)
DL to PGND ..................................................-0.3V to (VL + 0.3V)
SEQ, ONL2, ONL3, ONL4, ONL5, COMP,
ILIM to AGND............................................-0.3V to (VL + 0.3V)
RSTIN, RESET, EN, FB, FBL1, FBL2, FBL3, FBL4, FBL5,
FREQ to AGND.....................................................-0.3V to +6V
VL Short Circuit to AGND ...........................................Momentary
Continuous Power Dissipation (T A = +70 ° C)
32-Pin Thin QFN (derate 21.3mW/°C above +70°C) ...1702mW
Operating Temperature Range ...........................-40 ° C to +85 ° C
Storage Temperature Range .............................-65 ° C to +150 ° C
Junction Temperature ......................................................+150 ° C
Lead Temperature (soldering, 10s) .................................+300 ° C
Soldering Temperature (reflow) .......................................+260°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V IN = 12V, V EN = V SEQ = 5V, T A = 0 ° C to +85 ° C , unless otherwise noted. Typical values are at T A = +25 ° C.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
GENERAL
Operating Input Voltage Range
Quiescent Supply Current
IC Disable Supply Current
(Note 1)
V FB = V FBL1 = V FBL2 = V FBL3 = V FBL4 = 1.5V, V FBL5 = 0V
EN = AGND
4.5
1.7
200
28.0
3.0
400
V
mA
μA
VL REGULATOR
VL Output Voltage
VL Undervoltage Lockout
Threshold
5.5V < V IN < 28V, 0 < I VL < 30mA
VL rising, 3% hysteresis
4.75
3.2
5
3.5
5.25
3.8
V
V
CONTROL AND SEQUENCE
SEQ, FREQ Input Logic High
Level
SEQ, FREQ Input Logic Low
Level
2.0
0.6
V
V
SEQ, FREQ Input Leakage
Current
-1
+1
μA
ONL_ Input Threshold
ONL_ Source Current
ONL_ Input Leakage Current
ONL_ Input Discharge Clamp
Resistance
EN Input Threshold
EN Input Leakage Current
ONL_ rising, 25mV hysteresis
SEQ = EN = VL, V ONL _ = 0 to 1.24V
SEQ = EN = VL, ONL_ = VL
V SEQ = 0V
EN rising, 5% hysteresis
1.201
1.8
-500
800
1.201
-50
1.238
2.0
1500
1.238
1.275
2.2
+500
3000
1.275
+50
V
μA
nA
Ω
V
nA
FAULT DETECTION
FB, FBL1, FBL2, FBL3, FBL4
Undervoltage Fault Trip Level
FBL5 Undervoltage Fault
Trip Level
FB, FBL1, FBL2, FBL3, FBL4 falling, 25mV hysteresis
FBL5 rising, 25mV hysteresis
1.081
300
1.114
400
1.147
500
V
mV
2
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