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参数资料
| 型号： | MAX1531ETJ/V+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/33页 |
| 文件大小： | 0K |
| 描述： | IC PS CTRLR MULTI-OUTPUT 32WQFN |
| 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 = 0 ° C to +85 ° C , unless otherwise noted. Typical values are at T A = +25 ° C.)
PARAMETER
Soft-Start Period
FREQ = GND
FREQ = VL
CONDITIONS
MIN
TYP
1024 / f OSC
2048 / f OSC
MAX
UNITS
s
POSITIVE LINEAR REGULATOR (LR4)
FBL4 Regulation Voltage
V DRV4 = 5V, I DRV4 = 500μA
1.226
1.245
1.264
V
FBL4 Input Bias Current
FBL4 Effective Load Regulation
Error (Transconductance)
FBL4 Line Regulation Error
V FBL4 = 1.5V
V DRV4 = 5V, I DRV4 = 500μA to 10mA
I DRV4 = 500μA, 5.5V < V IN < 28V
-50
-1.5
+50
-2
5
nA
%
mV
DRV4 Sink Current
V FBL4 = 1.175V, V DRV4 = 5V
10
28
mA
DRV4_Off-Leakage Current
FBL4 Input Common-Mode
Range
Soft-Start Step Size
Soft-Start Period
V FBL4 = 1.5V, V DRV4 = 28V
(Note 2)
Measured at FBL4
FREQ = GND
FREQ = VL
-0.1
0.1
1.238 / 32
1024 / f OSC
2048 / f OSC
10
+1.5
μA
V
V
s
NEGATIVE LINEAR REGULATOR (LR5)
FBL5 Regulation Voltage
V DRV5 = -10V, I DRV5 = 100μA
100
125
150
mV
FBL5 Input Bias Current
FBL5 Effective Load Regulation
Error (Transconductance)
FBL5 Line Regulation Error
V FBL5 = 0V
V DRV5 = -10V, I DRV5 = 50μA to 1mA
I DRV5 = 100μA, 5.5V < V IN < 28V
-50
-1.5
+50
-2
5
nA
%
mV
DRV5 Source Current
V FBL5 = 200mV, V DRV5 = -10V
2
9
mA
DRV5 Off-Leakage Current
FBL5 Input Common-Mode
Range
Soft-Start Step Size
Soft-Start Period
V FBL5 = 0V, V DRV5 = -20V
(Note 2)
Measured at FBL5
FREQ = AGND
FREQ = VL
-0.1
0.1
1.238 / 32
1024 / f OSC
2048 / f OSC
10
+1.5
μA
V
V
s
ELECTRICAL CHARACTERISTICS
(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
GENERAL
Operating Input Voltage Range
(Note 1)
4.5
28.0
V
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
5.25
3.8
V
V
_______________________________________________________________________________________
5
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