MAX1913 datasheet(2/11 Pages) MAXIM

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60mA 1.5x High-Efficiency White LED

Charge Pumps

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ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VIN = 3.6V, GND = 0, SHDN = SET = IN, CIN = 2.2µF, C1 = C2 = 0.47µF, COUT = 2.2µF, TA = 0°C to +85°C. Typical values are at

TA = +25°C, unless otherwise noted.)

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.

IN1, IN2, OUT, SHDN, SET to GND ...…………………-0.3V, +6V

C1-, C2-, to GND..................................................-0.3V, VIN + 1V

C1+, C2+ to GND..........-0.3V, greater of VOUT + 1V or VIN + 1V

OUT Short-Circuit to GND ..........................................Continuous

Continuous Power Dissipation

10-Pin µMAX (derate 5.6 mW/°C above +70°C) ..........444mW

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

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

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

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Input Voltage Operating Range

2.7

5.3

Undervoltage Lockout Threshold

Both rising and falling edges

2.2

2.5

Undervoltage Lockout Hysteresis

MAX1912

SET Regulation Point

0 < ILOAD < 60mA

0.19

0.2

0.21

MAX1912

Current Regulation

Output current change for 3V < VOUT < 5V

0.5

%/V

Maximum Output Current

No Load Input Current

VIN = 3.6V

1.5

2.5

Supply Current in Shutdown

VIN = 5.3V, VOUT = 0, SHDN = 0

0.1

µA

Output Leakage Current in

Shutdown

VIN = 3.6V, SHDN = 0

0.1

µA

Switching Frequency

VIN = 3.6V

625

750

875

kHz

Switching Frequency Temperature

Coefficient

f = 750kHz

250

ppm/

°C

SET Input Current

100

SHDN Input Current

SHDN = 0 or 5.5V

µA

SHDN Input Voltage Low

2.7V < VIN < 5.3V

0.4

SHDN Input Voltage High

2.7V < VIN < 5.3V

1.6

Thermal-Shutdown Threshold

Rising temperature, 15°C hysteresis typical

160

°C

ELECTRICAL CHARACTERISTICS

(VIN = 3.6V, GND = 0, SHDN = SET = IN, CIN = 2.2µF, C1 = C2 = 0.47µF, COUT = 2.2µF, TA = -40°C to +85°C, unless otherwise

noted.) (Note 1)

PARAMETER

CONDITIONS

MIN

MAX

UNITS

Input Voltage Operating Range

2.7

5.3

Undervoltage Lockout Threshold

Both rising and falling edges

2.2

2.5

Maximum Output Current

Supply Current in Shutdown

VIN = 5.3V, VOUT = 0, SHDN = 0

µA

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