Datasheet MAX5035 (Maxim) - 4
| Hersteller | Maxim |
| Beschreibung | 1A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converter |
| Seiten / Seite | 17 / 4 — 1A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converter. ELECTRICAL … |
| Dateiformat / Größe | PDF / 553 Kb |
| Dokumentensprache | Englisch |
1A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converter. ELECTRICAL CHARACTERISTICS (MAX5035_A_ _) (continued)
Modelllinie für dieses Datenblatt
- MAX5035AASA+ MAX5035AASA+T MAX5035AUPA+ MAX5035AUSA+ MAX5035AUSA+T MAX5035BASA+ MAX5035BASA+T MAX5035BASA/V+ MAX5035BASA/V+T MAX5035BUPA+ MAX5035BUSA+ MAX5035BUSA+T MAX5035CASA+ MAX5035CASA+T MAX5035CUPA+ MAX5035CUSA+ MAX5035CUSA+T MAX5035DASA+ MAX5035DASA+T MAX5035DASA/V+ MAX5035DASA/V+T MAX5035DUPA+ MAX5035DUSA+ MAX5035DUSA+T MAX5035EASA+ MAX5035EASA+T MAX5035EUSA+ MAX5035EUSA+T
Textversion des Dokuments
MAX5035
1A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converter ELECTRICAL CHARACTERISTICS (MAX5035_A_ _) (continued)
(VIN = +12V, VON/OFF = +12V, IOUT = 0,
TA = TJ = -40°C to +125°C
, unless otherwise noted. Typical values are at TA = +25°C. See the Typical Application Circuit.) (Note 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
VIN = 7.5V to 76V, MAX5035D 1.192 1.221 1.250 Feedback Voltage VFB V VIN = 7.5V to 76V, MAX5035E 1.185 1.221 1.250 VIN = 12V, ILOAD = 0.5A, MAX5035A 86 VIN = 12V, ILOAD = 0.5A, MAX5035B 90 Efficiency η VIN = 24V, ILOAD = 0.5A, MAX5035C 94 % VIN = 12V, VOUT = 5V, ILOAD = 0.5A, 90 MAX5035D/E VFB = 3.5V, VIN = 7.5V to 76V, MAX5035A 270 440 VFB = 5.5V, VIN = 7.5V to 76V, MAX5035B 270 440 Quiescent Supply Current IQ VFB = 13V, VIN = 15V to 76V, MAX5035C 270 440 µA VFB = 1.3V, MAX5035D 270 440 VFB = 1.3V, MAX5035E 340 460 Shutdown Current ISHDN VON/OFF = 0V, VIN = 7.5V to 76V 10 45 µA Peak Switch Current Limit ILIM (Note 1) 1.30 1.9 2.50 A VIN = 76V, VON/OFF = 0V, VLX = 0V 1 Switch Leakage Current IOL VIN = 76V, VON/OFF = 0V, VLX = 0V, µA 5 MAX5035E Switch On-Resistance RDS(ON) ISWITCH = 1A 0.40 0.80 Ω PFM Threshold IPFM Minimum switch current in any cycle 55 85 130 mA FB Input Bias Current IB MAX5035D/E -150 +0.01 +150 nA
ON/
OFF
CONTROL INPUT
Rising trip point for MAX5035A/B/C/D 1.50 1.69 1.85 ON/OFF Input-Voltage Threshold VON/OFF V Rising trip point for MAX5035E 1.40 1.65 1.90 ON/OFF Input-Voltage Hysteresis VHYST 100 mV ON/OFF Input Current ION/OFF VON/OFF = 0V to VIN 10 150 nA ON/OFF Operating Voltage V Range ON/OFF 76 V
OSCILLATOR
Oscillator Frequency fOSC 105 125 137 kHz Maximum Duty Cycle DMAX MAX5035D/E 95 %
VOLTAGE REGULATOR
Regulator Output Voltage VD VIN = 8.5V to 76V, IL = 0 6.5 7.8 9.0 V Dropout Voltage 7.5V ≤ VIN ≤ 8.5V, IL = 1mA 2.0 V Load Regulation ∆VD/∆IVD 0 to 5mA 150 Ω 4 Maxim Integrated
1A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converter ELECTRICAL CHARACTERISTICS (MAX5035_A_ _) (continued)
(VIN = +12V, VON/OFF = +12V, IOUT = 0,
TA = TJ = -40°C to +125°C
, unless otherwise noted. Typical values are at TA = +25°C. See the Typical Application Circuit.) (Note 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
VIN = 7.5V to 76V, MAX5035D 1.192 1.221 1.250 Feedback Voltage VFB V VIN = 7.5V to 76V, MAX5035E 1.185 1.221 1.250 VIN = 12V, ILOAD = 0.5A, MAX5035A 86 VIN = 12V, ILOAD = 0.5A, MAX5035B 90 Efficiency η VIN = 24V, ILOAD = 0.5A, MAX5035C 94 % VIN = 12V, VOUT = 5V, ILOAD = 0.5A, 90 MAX5035D/E VFB = 3.5V, VIN = 7.5V to 76V, MAX5035A 270 440 VFB = 5.5V, VIN = 7.5V to 76V, MAX5035B 270 440 Quiescent Supply Current IQ VFB = 13V, VIN = 15V to 76V, MAX5035C 270 440 µA VFB = 1.3V, MAX5035D 270 440 VFB = 1.3V, MAX5035E 340 460 Shutdown Current ISHDN VON/OFF = 0V, VIN = 7.5V to 76V 10 45 µA Peak Switch Current Limit ILIM (Note 1) 1.30 1.9 2.50 A VIN = 76V, VON/OFF = 0V, VLX = 0V 1 Switch Leakage Current IOL VIN = 76V, VON/OFF = 0V, VLX = 0V, µA 5 MAX5035E Switch On-Resistance RDS(ON) ISWITCH = 1A 0.40 0.80 Ω PFM Threshold IPFM Minimum switch current in any cycle 55 85 130 mA FB Input Bias Current IB MAX5035D/E -150 +0.01 +150 nA
ON/
OFF
CONTROL INPUT
Rising trip point for MAX5035A/B/C/D 1.50 1.69 1.85 ON/OFF Input-Voltage Threshold VON/OFF V Rising trip point for MAX5035E 1.40 1.65 1.90 ON/OFF Input-Voltage Hysteresis VHYST 100 mV ON/OFF Input Current ION/OFF VON/OFF = 0V to VIN 10 150 nA ON/OFF Operating Voltage V Range ON/OFF 76 V
OSCILLATOR
Oscillator Frequency fOSC 105 125 137 kHz Maximum Duty Cycle DMAX MAX5035D/E 95 %
VOLTAGE REGULATOR
Regulator Output Voltage VD VIN = 8.5V to 76V, IL = 0 6.5 7.8 9.0 V Dropout Voltage 7.5V ≤ VIN ≤ 8.5V, IL = 1mA 2.0 V Load Regulation ∆VD/∆IVD 0 to 5mA 150 Ω 4 Maxim Integrated