MAX1832(2003) 데이터 시트보기 (PDF) - Maxim Integrated

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MAX1832
(Rev.:2003)

High-Efficiency Step-Up Converters with Reverse Battery Protection

Maxim Integrated 

High-Efficiency Step-Up Converters with

Reverse Battery Protection

ABSOLUTE MAXIMUM RATINGS

BATT, LX to GND.........................................................-6V to +6V

LX to OUT ....................................................................-6V to +1V

SHDN to GND..............................................-6V to (VOUT + 0.3V)

OUT, FB, RST TO GND ............................................-0.3V to +6V

LX Current ................................................................................1A

Continuous Power Dissipation (TA = +70°C)

6-Pin SOT23 (derate 9.1mW/°C above +70°C) ...........727mW

6-Pin 3mm ✕ 3mm TDFN (derate 24.4mW/°C

above +70°C) ............................................................1951mW

Operating Temperature Range ...........................-40°C to +85°C

Junction Temperature ......................................................+150°C

Storage Temperature Range .............................-65°C to +150°C

Lead Temperature (soldering, 10s) ................................+300°C

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

ELECTRICAL CHARACTERISTICS

(V SHDN = +1.5V, VOUT = +3.3V, VBATT = +2V, GND = 0, TA = -40°C to +85°C. Typical values are at TA = +25°C, unless otherwise

noted.) (Note 1)

PARAMETER

Output Range

Battery Input Range

Startup Battery Input Voltage

Output Voltage

FB Trip Voltage

FB Input Bias Current

N-Channel On-Resistance

P-Channel On-Resistance

P-Channel Catch-Diode Voltage

N-Channel Switch Current Limit

Switch Maximum On-Time

Synchronous Rectifier Zero-

Crossing Current

Quiescent Current into OUT

(Note 2)

Shutdown Current into OUT

SYMBOL

VOUT

VBATT

VSU

VOUT

VFB

IFB

RNCH

RPCH

IMAX

tON

CONDITIONS

MAX1832/MAX1834

RLOAD = 2.6kΩ

MAX1833EUT/

MAX1835EUT

TA = +25°C

TA = -40°C to +85°C

TA = +25°C

TA = -40°C to +85°C

MAX1833ETT30

TA = +25°C

TA = -40°C to +85°C

MAX1832/

MAX1834

MAX1832/

MAX1834,

VFB = +1.3V

VOUT = +3.3V

ILX = 100mA

TA = +25°C

TA = -40°C to +85°C

TA = +25°C

TA = -40°C to +85°C

TA = +25°C

TA = -40°C to +85°C

VOUT = +3.3V

ILX = 100mA

TA = +25°C

TA = -40°C to +85°C

ILX = 100mA, PCH off, VOUT = +3.5V,

VFB = +1.3V

VOUT = +3.3V

TA = +25°C

TA = -40°C to +85°C

VOUT = +3.3V

TA = +25°C

TA = -40°C to +85°C

VOUT = +3.5V,

VFB = +1.3V

TA = +25°C

TA = -40°C to +85°C

VOUT = +3.5V, VSHDN = VFB = 0V

MIN

2.0

1.5

3.225

3.208

2.94

2.925

1.208

1.204

TYP

1.22

1.24

3.290

3.0

1.228

3.5

4.0

0.4

0.5

MAX

5.5

5.5

1.5

3.355

3.372

3.06

3.075

1.248

1.252

20

1.2

1.5

1.3

1.6

UNITS

V

V

V

V

V

nA

Ω

Ω

0.73

V

435

525

615

mA

400

650

3.5

5

6.5

µs

2

17

34

mA

0

39

2.5

7.0

µA

8.0

0.05

1

µA

2 _______________________________________________________________________________________

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