MAX17014 データシートの表示（PDF） - Maxim Integrated
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MAX17014 Datasheet PDF : 33 Pages
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Low-Cost Multiple-Output
Power Supply for LCD TVs
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, VIN = VIN2 = 12V, AVDD = VOVIN = VSUP = 15V, TA = -40°C to +85°C. Typical values are at TA = +25°C, unless
otherwise noted.) (Note 4)
PARAMETER
GENERAL
VIN, IN2 Input Voltage Range
SMPS Operating Frequency
VIN Undervoltage Lockout Threshold
VL REGULATOR
CONDITIONS
FSEL = VIN
FSEL = GND
VIN rising edge, 100mV typical hysteresis
VL Output Voltage
VL Undervoltage Lockout Threshold
REFERENCE
REF Output Voltage
REF Load Regulation
REF Undervoltage Lockout Threshold
STEP-DOWN REGULATOR
OUT Voltage in Fixed Mode
FB2 Voltage in Adjustable Mode
FB2 Adjustable-Mode
Threshold Voltage
Output Voltage Adjust Range
IVL = 25mA, VFB1 = VFB2 = VFBP = 1.1V,
VFBN = 0.4V (all regulators switching)
VL rising edge, 100mV typical hysteresis
No external load
0 < ILOAD < 50μA
Rising edge; 20mV typical hysteresis
FB2 = GND, no load (Note 2)
VOUT = 2.5V, no load (Note 2)
Dual-mode comparator
Step-down output
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
STEP-UP REGULATOR
Output Voltage Range
Oscillator Maximum Duty Cycle
FB1 Regulation Voltage
LX1 Current Limit
Current-Sense Transresistance
LX1 On-Resistance
FB1 = COMP, CCOMP = 1nF
VFB1 = 1.1V, duty cycle = 25%
MIN TYP MAX UNITS
8.0
1020
510
5.75
16.5
V
1380
kHz
690
7.25
V
4.9
3.5
1.235
3.25
1.23
0.10
1.5
6
7
2.50
70
VVIN
69
1.23
3.2
0.16
5.1
V
4.3
V
1.265
V
10
mV
1.2
V
3.35
V
1.27
V
0.20
V
5.0
V
240
m
23
20
3.50
A
90
%
20
V
81
%
1.27
V
4.2
A
0.30
V/A
220
m
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