参数资料
型号: MAX1531ETJ+T
厂商: Maxim Integrated Products
文件页数: 4/33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)
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
CONDITIONS
MIN
TYP
MAX
UNITS
SOFT-START
Step Size
Period
Measured at FB
FREQ = GND
FREQ = VL
1.238 / 32
1024 / f OSC
2048 / f OSC
V
s
FET DRIVERS
DH, DL On-Resistance
3
10
Ω
DH, DL Output Drive Current
LX, BST Leakage Current
Sourcing or sinking, V DH or V DL = V VL / 2
V BST = V LX = V IN = 28V
0.5
20
A
μA
LINEAR REGULATOR CONTROLLERS
POSITIVE LINEAR REGULATOR (LR1)
FBL1 Regulation Voltage
V DRV1 = 5V, I DRV1 = 100μA
1.226
1.245
1.264
V
FBL1 Input Bias Current
FBL1 Effective Load Regulation
Error (Transconductance)
FBL1 Line Regulation Error
V FBL1 = 1.5V
V DRV1 = 5V, I DRV1 = 100μA to 2mA
I DRV1 = 100μA, 5.5V < V IN < 28V
-50
-1.5
+50
-2
5
nA
%
mV
DRV1 Sink Current
V FBL1 = 1.175V, V DRV1 = 5V
3
10
mA
DRV1 Off-Leakage Current
FBL1 Input Common-Mode
Range
Soft-Start Step Size
Soft-Start Period
V FBL1 = 1.5V, V DRV1 = 28V
(Note 2)
Measured at FBL1
FREQ = GND
FREQ = VL
-0.1
0.1
1.238 / 32
1024 / f OSC
2048 / f OSC
10
+1.5
μA
V
V
s
POSITIVE LINEAR REGULATORS (LR2 AND LR3)
FBL_ Regulation Voltage
V DRV _ = 5V, I DRV _ = 100μA
1.226
1.245
1.264
V
FBL_ Input Bias Current
FBL_ Effective Load Regulation
Error (Transconductance)
FBL_ Line Regulation Error
V FBL _ = 1.5V
V DRV _ = 5V, I DRV _ = 50μA to 1mA
I DRV _ = 100μA, 5.5V < V IN < 28V
-50
-1.5
+50
-2
5
nA
%
mV
DRV_ Sink Current
V FBL_ = 1.175V, V DRV_ = 5V
2
4
mA
DRV_ Off-Leakage Current
FBL_ Input Common-Mode
Range
Soft-Start Step Size
V FBL _ = 1.5V, V DRV _ = 28V
(Note 2)
Measured at FBL_
-0.1
0.1
1.238 / 32
10
+1.5
μA
V
V
4
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