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MAX15004 Datasheet(PDF) 3 Page - Maxim Integrated Products

Part No. MAX15004
Description  4.5V to 40V Input Automotive Flyback/Boost/SEPIC Power-Supply Controllers
Download  27 Pages
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX15004 Datasheet(HTML) 3 Page - Maxim Integrated Products

 
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4.5V to 40V Input Automotive
Flyback/Boost/SEPIC Power-Supply Controllers
_______________________________________________________________________________________
3
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
OSCILLATOR (RTCT)
Oscillator Frequency Range
fOSC
fOSC = 2 x fOUT for MAX15004A/B,
fOSC = fOUT for MAX15005A/B
15
1000
kHz
RTCT Peak Trip Level
VTH,RTCT
0.55 x VREG5
V
RTCT Valley Trip Level
VTL,RTCT
0.1 x VREG5
V
RTCT Discharge Current
IDIS,RTCT
VRTCT = 2V
1.30
1.33
1.36
mA
RT = 13.7k
Ω, CT = 4.7nF,
fOSC (typ) = 18kHz
-4
+4
RT = 13.7k
Ω, CT = 560pF,
fOSC (typ) = 150kHz
-4
+4
RT = 21k
Ω, CT = 100pF,
fOSC (typ) = 500kHz
-5
+5
Oscillator Frequency Accuracy
(Note 2)
RT = 7k
Ω, CT = 100pF,
fOSC (typ) = 1MHz
-7
+7
%
MAX15004A/B
50
Maximum PWM Duty Cycle
(Note 3)
DMAX
MAX15005A/B,
RT = 13.7k
Ω, CT = 560pF,
fOSC (typ) = 150kHz
78.5
80
81.5
%
Minimum On-Time
tON-MIN
VIN = 14V
110
170
ns
SYNC Lock-In Frequency Range
(Note 4)
RT = 13.7k
Ω, CT = 560pF,
fOSC (typ) = 150kHz
102
200
%fOSC
SYNC High-Level Voltage
VIH-SYNC
2V
SYNC Low-Level Voltage
VIL-SYNC
0.8
V
SYNC Input Current
ISYNC
VSYNC = 0 to 5V
-0.5
+0.5
μA
SYNC Minimum Input Pulse Width
50
ns
ERROR AMPLIFIER/SOFT-START
Soft-Start Charging Current
ISS
VSS = 0V
8
15
21
μA
SS Reference Voltage
VSS
1.215
1.228
1.240
V
SS Threshold for HICCUP Enable
VSS rising
1.1
V
FB Regulation Voltage
VREF-FB
COMP = FB,
ICOMP = -500μA to +500μA
1.215
1.228
1.240
V
FB Input Offset Voltage
VOS-FB
COMP = 0.25V to 4.5V,
ICOMP = -500μA to +500μA,
VSS = 0 to 1.5V
-5
+5
mV
FB Input Current
VFB = 0 to 1.5V
-300
+300
nA
COMP Sink Current
ICOMP-SINK
VFB = 1.5V, VCOMP = 0.25V
3
5.5
mA
ELECTRICAL CHARACTERISTICS (continued)
(VIN = 14V, CIN = 0.1μF, CVCC = 0.1μF // 1μF, CREG5 = 1μF, VON/OFF = 5V, CSS = 0.01μF, CSLOPE = 100pF, RT = 13.7k
Ω, CT =
560pF, VSYNC = VOVI = VFB = VCS = 0V, COMP = unconnected, OUT = unconnected. TA = TJ = -40°C to +125°C, unless otherwise
noted. Typical values are at TA = +25°C. All voltages are referenced to PGND, unless otherwise noted.) (Note 1) (Figure 5)


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