MAX5035BASV datasheet(3/17 Pages) MAXIM

3 / 17 page

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

µA

Switch On-Resistance

RDS(ON)

ISWITCH = 1A

0.40

0.80

Ω

PFM Threshold

IPFM

Minimum switch current in any cycle

130

FB Input Bias Current

MAX5035D/E

-150

+0.01

+150

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

Rising trip point for MAX5035E

1.40

1.65

1.90

ON/OFF Input-Voltage Hysteresis

VHYST

100

ON/OFF Input Current

ION/OFF

VON/OFF = 0V to VIN

150

ON/OFF Operating Voltage

Range

VON/OFF

OSCILLATOR

Oscillator Frequency

fOSC

109

125

135

kHz

Maximum Duty Cycle

DMAX

MAX5035D/E

VOLTAGE REGULATOR

Regulator Output Voltage

VIN = 8.5V to 76V, IL = 0

6.9

7.8

8.8

Dropout Voltage

7.5V

≤ VIN ≤ 8.5V, IL = 1mA

2.0

Load Regulation

∆VD/∆IVD 0 to 5mA

150

Ω

PACKAGE THERMAL CHARACTERISTICS

SO package (JEDEC 51)

170

Thermal Resistance

(Junction to Ambient)

θJA

DIP package (JEDEC 51)

110

°C/W

THERMAL SHUTDOWN

Thermal-Shutdown Junction

Temperature

TSH

+160

°C

Thermal-Shutdown Hysteresis

THYST

°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

MAX5035C

Input Voltage Range

VIN

MAX5035D/E

7.5

76.0

Undervoltage Lockout

UVLO

5.2

MAX5035A

VIN = 7.5V to 76V,

IOUT = 20mA to 1A

3.185

3.3

3.415

MAX5035B

VIN = 7.5V to 76V,

IOUT = 20mA to 1A

4.825

5.0

5.175

Output Voltage

VOUT

MAX5035C

VIN = 15V to 76V,

IOUT = 20mA to 1A

11.58

12.42

MAX5035BASV Datasheet(PDF) 3 Page - Maxim Integrated Products

MAX5035BASV Datasheet(HTML) 3 Page - Maxim Integrated Products

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

Datasheet Download

Link URL