参数资料
型号: MAX17014ETM+
厂商: Maxim Integrated Products
文件页数: 7/33页
文件大小: 0K
描述: IC PWR SUPPLY MULT-OUTPUT 48TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 43
应用: LCD 电视机/监控器
电流 - 电源: 8mA
电源电压: 8 V ~ 16.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 48-WFQFN 裸露焊盘
供应商设备封装: 48-TQFN-EP(7x7)
包装: 托盘
Low-Cost Multiple-Output
Power Supply for LCD TVs
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V IN = V IN2 = 12V, AV DD = V OVIN = V SUP = 15V, T A = -40°C to +85°C . Typical values are at T A = +25°C, unless
otherwise noted.) (Note 4)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
GENERAL
V IN , IN2 Input Voltage Range
8.0
16.5
V
SMPS Operating Frequency
V IN Undervoltage Lockout Threshold
FSEL = V IN
FSEL = GND
V IN rising edge, 100mV typical hysteresis
1020
510
5.75
1380
690
7.25
kHz
V
VL REGULATOR
VL Output Voltage
VL Undervoltage Lockout Threshold
I VL = 25mA, V FB1 = V FB2 = V FBP = 1.1V,
V FBN = 0.4V (all regulators switching)
VL rising edge, 100mV typical hysteresis
4.9
3.5
5.1
4.3
V
V
REFERENCE
REF Output Voltage
REF Load Regulation
REF Undervoltage Lockout Threshold
No external load
0 < I LOAD < 50 μA
Rising edge; 20mV typical hysteresis
1.235
1.265
10
1.2
V
mV
V
STEP-DOWN REGULATOR
OUT Voltage in Fixed Mode
FB2 Voltage in Adjustable Mode
FB2 Adjustable-Mode
Threshold Voltage
Output Voltage Adjust Range
LX2-to-IN2 nMOS Switch
On-Resistance
LX2-to-CPGND nMOS Switch
On-Resistance
BST-to-VL pMOS Switch
On-Resistance
LX2 Positive Current Limit
Maximum Duty Factor
FB2 = GND, no load (Note 2)
V OUT = 2.5V, no load (Note 2)
Dual-mode comparator
Step-down output
3.25
1.23
0.10
1.5
6
7
2.50
70
3.35
1.27
0.20
5.0
240
23
20
3.50
90
V
V
V
V
m
A
%
STEP-UP REGULATOR
Output Voltage Range
Oscillator Maximum Duty Cycle
V VIN
69
20
81
V
%
FB1 Regulation Voltage
LX1 Current Limit
Current-Sense Transresistance
LX1 On-Resistance
FB1 = COMP, C COMP = 1nF
V FB1 = 1.1V, duty cycle = 25%
1.23
3.2
0.16
1.27
4.2
0.30
220
V
A
V/A
m
_______________________________________________________________________________________
7
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