Datasheet MAX5035 (Maxim) - 3
| Manufacturer | Maxim |
| Description | 1A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converter |
| Pages / Page | 17 / 3 — 1A, 76V, High-Efficiency MAXPower. Step-Down DC-DC Converter. ELECTRICAL … |
| File Format / Size | PDF / 553 Kb |
| Document Language | English |
1A, 76V, High-Efficiency MAXPower. Step-Down DC-DC Converter. ELECTRICAL CHARACTERISTICS (continued) (MAX5035_U_ _)
Model Line for this Datasheet
- 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
Text Version of Document
MAX5035
1A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converter ELECTRICAL CHARACTERISTICS (continued) (MAX5035_U_ _)
(VIN = +12V, VON/OFF = +12V, IOUT = 0,
TA = 0°C to +85°C
, unless otherwise noted. Typical values are at TA = +25°C. See the Typical Application Circuit.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Switch Leakage Current IOL VIN = 76V, VON/OFF = 0V, VLX = 0V 0.01 1 µA 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 1.53 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 VON/OFF 76 V Range
OSCILLATOR
Oscillator Frequency fOSC 109 125 135 kHz Maximum Duty Cycle DMAX MAX5035D/E 95 %
VOLTAGE REGULATOR
Regulator Output Voltage VD VIN = 8.5V to 76V, IL = 0 6.9 7.8 8.8 V Dropout Voltage 7.5V ≤ VIN ≤ 8.5V, IL = 1mA 2.0 V Load Regulation ∆VD/∆IVD 0 to 5mA 150 Ω
PACKAGE THERMAL CHARACTERISTICS
Thermal Resistance SO package (JEDEC 51) 170 θJA °C/W (Junction to Ambient) DIP package (JEDEC 51) 110
THERMAL SHUTDOWN
Thermal-Shutdown Junction TSH +160 °C Temperature Thermal-Shutdown Hysteresis THYST 20 °C
ELECTRICAL CHARACTERISTICS (MAX5035_A_ _)
(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
MAX5035A 7.5 76.0 MAX5035B 7.5 76.0 Input Voltage Range VIN V MAX5035C 15 76 MAX5035D/E 7.5 76.0 Undervoltage Lockout UVLO 5.2 V VIN = 7.5V to 76V, MAX5035A 3.185 3.3 3.415 IOUT = 20mA to 1A VIN = 7.5V to 76V, Output Voltage VOUT MAX5035B 4.825 5.0 5.175 V IOUT = 20mA to 1A VIN = 15V to 76V, MAX5035C 11.58 12 12.42 IOUT = 20mA to 1A Maxim Integrated 3
1A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converter ELECTRICAL CHARACTERISTICS (continued) (MAX5035_U_ _)
(VIN = +12V, VON/OFF = +12V, IOUT = 0,
TA = 0°C to +85°C
, unless otherwise noted. Typical values are at TA = +25°C. See the Typical Application Circuit.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Switch Leakage Current IOL VIN = 76V, VON/OFF = 0V, VLX = 0V 0.01 1 µA 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 1.53 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 VON/OFF 76 V Range
OSCILLATOR
Oscillator Frequency fOSC 109 125 135 kHz Maximum Duty Cycle DMAX MAX5035D/E 95 %
VOLTAGE REGULATOR
Regulator Output Voltage VD VIN = 8.5V to 76V, IL = 0 6.9 7.8 8.8 V Dropout Voltage 7.5V ≤ VIN ≤ 8.5V, IL = 1mA 2.0 V Load Regulation ∆VD/∆IVD 0 to 5mA 150 Ω
PACKAGE THERMAL CHARACTERISTICS
Thermal Resistance SO package (JEDEC 51) 170 θJA °C/W (Junction to Ambient) DIP package (JEDEC 51) 110
THERMAL SHUTDOWN
Thermal-Shutdown Junction TSH +160 °C Temperature Thermal-Shutdown Hysteresis THYST 20 °C
ELECTRICAL CHARACTERISTICS (MAX5035_A_ _)
(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
MAX5035A 7.5 76.0 MAX5035B 7.5 76.0 Input Voltage Range VIN V MAX5035C 15 76 MAX5035D/E 7.5 76.0 Undervoltage Lockout UVLO 5.2 V VIN = 7.5V to 76V, MAX5035A 3.185 3.3 3.415 IOUT = 20mA to 1A VIN = 7.5V to 76V, Output Voltage VOUT MAX5035B 4.825 5.0 5.175 V IOUT = 20mA to 1A VIN = 15V to 76V, MAX5035C 11.58 12 12.42 IOUT = 20mA to 1A Maxim Integrated 3
