MAX8614BATD/V 查看數據表（PDF） - Maxim Integrated

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MAX8614BATD/V

Dual-Output (+ and -) DC-DC Converters for CCD

Maxim Integrated 

MAX8614A/MAX8614B

Dual-Output (+ and -) DC-DC

Converters for CCD

Electrical Characteristics

(VCC = VAVCC = VONINV = VONBST = VEN = 3.6V, PGND = SEQ = GND, C6 = 0.22µF, C1 = 2.2µF, C2 = 6.7µF, Figure 1, MAX8614BATD/V+,

TA = -40°C to +125°C, unless otherwise noted)(Note 3)

PARAMETER

CONDITIONS

MIN TYP MAX UNITS

AVCC = VCC Voltage Range

UVLO Threshold

Step-Up Output Voltage Adjust Range

Inverter Output Voltage Adjust Range

LXP Current Limit

(Note 1)

VCC rising

VINV - VCC (Note 2)

3

2.42

VAVCC

-16

0.7

0.34

5.5

V

2.82

V

24

V

0

V

0.9

A

0.52

LXP Short-Circuit Current Limit

0.9

1.2

A

0.52

0.70

LXN Current Limit

0.65

0.85

A

0.28

0.38

LXN On-Resistance

PVP On-Resistance

Maximum Duty Cycle

VCC = 3.6V

VCC = 3.6V

Step-up and inverter

1.1

Ω

0.3

Ω

82

%

Quiescent Current (Switching, No Load)

Quiescent Current

(No Switching, No Load)

Oscillator Frequency

IAVCC

IVCC

IAVCC

IVCC

1.4

mA

3

800

µA

15

0.93

1.07 MHz

FBP, FBN, REFERENCE

REF Output Voltage

No load

1.235

1.260

V

FBP Threshold Voltage

No load

0.995

1.025

V

FBN Threshold Voltage

No load

-10

+10

mV

ONINV, ONBST SEQ LOGIC INPUTS

Logic-Low Input

Logic-High Input

2.7V < VAVCC < 5.5V

2.7V < VAVCC < 5.5V

0.5

V

1.6

V

Note 1: Output current and on-resistance are specified at 3.6V input voltage. The IC operates to 2.7V with reduced performance.

Note 2: The specified maximum negative output voltage is referred to VCC, and not to GND. With VCC = 3.3V, the maximum

negative output is then -12.7V.

Note 3: Specifications to -40°C are guaranteed by design, not production tested.

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