MAX5073 データシートの表示（PDF） - Maxim Integrated
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MAX5073 Datasheet PDF : 25 Pages
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2.2MHz, Dual-Output Buck or Boost Converter
with Internal Power MOSFETs
ELECTRICAL CHARACTERISTICS (continued)
(V+ = VL = 5.2V or V+ = 5.5V to 23V, EN_ = VL, SYNC = GND, IVL = 0mA, PGND = SGND, CBYPASS = 0.22µF, CVL = 4.7µF (ceram-
ic), 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 PMOSFETS
SYMBOL
CONDITIONS
IB(EA)
gM
0°C ≤ TA ≤ +70°C
-40°C ≤ TA ≤ +85°C
-40°C ≤ TJ ≤ +125°C (MAX5073ATI only)
0°C to +85°C
-40°C to +85°C
-40°C to +125°C (MAX5073ATI only)
ISWITCH = 100mA,
VBST1/VDD1 to VSOURCE1 = 5.2V
(MAX5073ETI)
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
2.70
1.2
2
2.9
mS
1.2
2
2.9
195 290
On-Resistance Converter 1
RON1
ISWITCH = 100mA,
VBST1/VDD1 to VSOURCE1 = 5.2V
(MAX5073ATI)
ISWITCH = 100mA,
VBST1/VDD1 to VSOURCE1 = 4.5V
(MAX5073ETI)
ISWITCH = 100mA,
VBST1/VDD1 to VSOURCE1 = 4.5V
(MAX5073ATI)
195 330
mΩ
200 315
200 350
On-Resistance Converter 2
Minimum Converter 1 Output Current
Minimum Converter 2 Output Current
Converter 1 MOSFET Leakage
Current
RON2
IOUT1
IOUT2
ILK1
ISWITCH = 100mA,
VBST2/VDD2 to VSOURCE2 = 5.2V
ISWITCH = 100mA,
VBST2/VDD2 to VSOURCE2 = 4.5V
VOUT1 = 3.3V, V+ = 12V (Note 3)
VOUT2 = 2.5V, V+ = 12V (Note 3)
EN1 = 0V, VDS = 23V
330 630
mΩ
350 690
2
A
1
A
10
µA
Converter 2 MOSFET Leakage
Current
ILK2
EN2 = 0V, VDS = 23V
10
µA
INTERNAL SWITCH CURRENT LIMIT
Current-Limit Converter 1
ICL1
Current-Limit Converter 2
ICL2
V+ = 12V (MAX5073ETI)
V+ = 12V (MAX5073ATI)
MAX5073ETI
MAX5073ATI
2.3
3
4.3
A
2.3
3
4.6
1.38
1.8
2.10
A
1.38
1.8
2.20
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