参数资料
型号: MAX17014ETM+
厂商: Maxim Integrated Products
文件页数: 3/33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 (continued)
(Circuit of Figure 1, V IN = V IN2 = 12V, AV DD = V OVIN = V SUP = 15V, T A = 0°C to +85°C . Typical values are at T A = +25°C, unless oth-
erwise noted.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
REFERENCE
REF Output Voltage
No external load
1.235
1.250
1.265
V
REF Load Regulation
REF Sink Current
0 < I LOAD < 50 μA
In regulation
10
10
mV
μA
REF Undervoltage Lockout Threshold
Rising edge; 20mV typical hysteresis
1.0
1.2
V
STEP-DOWN REGULATOR
OUT Voltage in Fixed Mode
FB2 Voltage in Adjustable Mode
FB2 Adjustable-Mode Threshold
Voltage
Output Voltage Adjust Range
FB2 Fault Trip Level
FB2 Input Leakage Current
FB2 = GND, no load
(Note 2)
V OUT = 2.5V, no load
(Note 2)
Dual-mode comparator
Step-down output
Falling edge
V FB2 = 1.5V
0°C < T A < +85°C
T A = +25°C
0°C < T A < +85°C
T A = +25°C
3.25
3.267
1.23
1.2375
0.10
1.5
0.96
50
3.30
1.25
0.15
1.00
125
3.35
3.333
1.27
1.2625
0.20
5.0
1.04
200
V
V
V
V
V
nA
DC Load Regulation
DC Line Regulation
0A < I LOAD < 2A
No load, 10.8V < V IN2 < 13.2V
0.5
0.1
%
%/V
LX2-to-IN2 nMOS Switch
On-Resistance
120
240
m
LX2-to-CPGND nMOS Switch
On-Resistance
BST-to-VL PMOS Switch
On-Resistance
Low-Frequency Operation
OUT Threshold
Low-Frequency Operation
Switching Frequency
Step-down only
FSEL = V IN
FSEL = GND
6
7
10
12
0.8
217
108
23
20
V
kHz
LX2 Positive Current Limit
Soft-Start Period
Soft-Start Step Size
Maximum Duty Factor
2.50
70
3
3
V REF /
128
80
3.50
90
A
ms
V
%
STEP-UP REGULATOR
Output Voltage Range
V VIN
20
V
Oscillator Maximum Duty Cycle
Minimum t ON
69
75
70
81
%
ns
FB1 Regulation Voltage
FB1 Fault Trip Level
FB1 = COMP,
C COMP = 1nF
Falling edge
0°C < T A < +85°C
T A = +25°C
1.235
1.2375
0.96
1.25
1.00
1.265
1.2625
1.04
V
V
_______________________________________________________________________________________
3
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