MAX5072ETJ Просмотр технического описания (PDF) - Maxim Integrated
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производитель
MAX5072ETJ
Maxim Integrated
MAX5072ETJ Datasheet PDF : 27 Pages
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2.2MHz, Dual-Output Buck or Boost
Converter with POR and Power-Fail Output
ELECTRICAL CHARACTERISTICS (continued)
(V+ = VL = 5.2V or V+ = 5.5V to 23V, EN_ = VL, SYNC = GND, IVL = 0, PGND = SGND, CBYPASS = 0.22µF, CVL = 4.7µF (ceramic),
ROSC = 10kΩ (circuit of Figure 1), TA = TJ = TMIN to TMAX, unless otherwise noted.) (Note 1)
PARAMETER
VOLTAGE-ERROR AMPLIFIER
FB_ Input Bias Current
FB_ Input Voltage Set Point
FB_ to COMP_
Transconductance
INTERNAL MOSFETS
SYMBOL
CONDITIONS
IFB
0°C ≤ TA ≤+70°C
-40°C ≤ TA ≤+85°C
-40°C ≤ TJ ≤+125°C (MAX5072ATJ only)
0°C to +85°C
gM
-40°C to +85°C
-40°C to +125°C (MAX5072ATJ only)
ISWITCH = 100mA,
VBST1/VDD1 to VSOURCE1 = 5.2V
(MAX5072ETJ)
MIN TYP MAX UNITS
250
nA
0.792 0.8 0.808
0.788 0.8 0.812
V
0.788 0.8 0.812
1.25 2.00 2.70
1.2
2.0
2.9
mS
1.2
2.0
2.9
195 290
On-Resistance Converter 1
RON1
ISWITCH = 100mA,
VBST1/VDD1 to VSOURCE1 = 5.2V
(MAX5072ATJ)
ISWITCH = 100mA,
VBST1/VDD1 to VSOURCE1 = 4.5V
(MAX5072ETJ)
195 330
mΩ
200 315
ISWITCH = 100mA,
VBST1/VDD1 to VSOURCE1 = 4.5V
(MAX5072ATJ)
200 350
On-Resistance Converter 2
RON2
ISWITCH = 100mA,
VBST2/VDD2 to VSOURCE2 = 5.2V
ISWITCH = 100mA,
VBST2/VDD2 to VSOURCE2 = 4.5V
330 630
mΩ
350 690
Minimum Converter 1 Output
Current
IOUT1 VOUT1 = 3.3V, V+ = 12V (Note 3)
2
A
Minimum Converter 2 Output
Current
IOUT2 VOUT2 = 2.5V, V+ = 12V (Note 3)
1
A
Converter 1 MOSFET Leakage
Current
ILK1
EN1 = 0V, VDS = 23V
10
µA
Converter 2 MOSFET Leakage
Current
ILK2
INTERNAL SWITCH CURRENT LIMIT
Current-Limit Converter 1
ICL1
Current-Limit Converter 2
ICL2
EN2 = 0V, VDS = 23V
V+ = 12V (MAX5072ETJ)
V+ = 12V (MAX5072ATJ)
MAX5072ETJ
MAX5072ATJ
10
µA
2.3
3
4.3
A
2.3
3
4.6
1.38 1.8 2.10
A
1.38 1.8 2.10
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