MAX5035AASA データシートの表示（PDF） - Maxim Integrated

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MAX5035AASA

1A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converter

Maxim Integrated 

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

Switch On-Resistance

PFM Threshold

FB Input Bias Current

ON/OFF CONTROL INPUT

IOL

RDS(ON)

IPFM

IB

VIN = 76V, VON/OFF = 0V, VLX = 0V

ISWITCH = 1A

Minimum switch current in any cycle

MAX5035D/E

0.01

1

µA

0.40 0.80

Ω

55

85

130

mA

-150 +0.01 +150

nA

ON/OFF Input-Voltage Threshold

ON/OFF Input-Voltage Hysteresis

ON/OFF Input Current

ON/OFF Operating Voltage

Range

VON/OFF

VHYST

ION/OFF

Rising trip point for MAX5035A/B/C/D

Rising trip point for MAX5035E

VON/OFF = 0V to VIN

VON/OFF

1.53 1.69 1.85

V

1.40 1.65 1.90

100

mV

10

150

nA

76

V

OSCILLATOR

Oscillator Frequency

Maximum Duty Cycle

VOLTAGE REGULATOR

fOSC

DMAX

MAX5035D/E

109

125

135

kHz

95

%

Regulator Output Voltage

VD

Dropout Voltage

Load Regulation

∆VD/∆IVD

PACKAGE THERMAL CHARACTERISTICS

VIN = 8.5V to 76V, IL = 0

7.5V ≤ VIN ≤ 8.5V, IL = 1mA

0 to 5mA

6.9

7.8

8.8

V

2.0

V

150

Ω

Thermal Resistance

(Junction to Ambient)

SO package (JEDEC 51)

θJA

DIP package (JEDEC 51)

170

°C/W

110

THERMAL SHUTDOWN

Thermal-Shutdown Junction

Temperature

TSH

+160

°C

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

Input Voltage Range

Undervoltage Lockout

Output Voltage

Maxim Integrated

SYMBOL

VIN

UVLO

VOUT

CONDITIONS

MAX5035A

MAX5035B

MAX5035C

MAX5035D/E

MAX5035A

MAX5035B

MAX5035C

VIN = 7.5V to 76V,

IOUT = 20mA to 1A

VIN = 7.5V to 76V,

IOUT = 20mA to 1A

VIN = 15V to 76V,

IOUT = 20mA to 1A

MIN

7.5

7.5

15

7.5

3.185

TYP

5.2

3.3

MAX

76.0

76.0

76

76.0

UNITS

V

V

3.415

4.825 5.0 5.175

V

11.58 12 12.42

3

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