Rainbow-electronics MAX8569B Manual de usuario descargar pdf (Pagina 3)

MAX8569A/MAX8569B

200mA Step-Up Converters in 6-Pin

SOT23 and TDFN

_______________________________________________________________________________________ 3

ELECTRICAL CHARACTERISTICS (continued)

SHDN

= V

OUT

= 3.3V, V

BATT

= 2.0V, T

= -40°C to +85°C. Typical values are at T

= +25°C, unless otherwise noted.) (Note 1)

Note 1: Specifications to -40°C are guaranteed by design and not production tested.

Note 2: Supply current into OUT. This current is drawn from the source battery, but is reduced in value according to the step-up

ratio and efficiency.

Note 3: Does not include switching losses and output quiescent current. See the Input Current and Output Voltage vs. Input Voltage

(On, 330Ω) graph in the Typical Operating Characteristics for operating quiescent current.

PARAMETER CONDITIONS

MIN

TYP

MAX

UNITS

= +25°C

1.185 1.228 1.271

SHDN Threshold

Rising edge,

100mV hysteresis (typ),

OUT

= 2.8V

= -40°C to +85°C

1.170 1.286

= +25°C 13 100

SHDN Input Bias Current V

OUT

= 5.5V

= -40°C to +85°C13

RST Low Voltage I

RST

= 1mA, V

OUT

= 2.5V 0.2 V

= +25°C 0.1 100

RST Leakage Current V

RST

= 5.5V

= -40°C to +85°C1

= +25°C 859095

RST Threshold

Relative to OUT,

3.3V for MAX8569B,

3.0V for MAX8569BETT30

= -40°C to +85°C 859097

= +25°C 1 150

LX Leakage Current V

OUT

= 5.5V

= -40°C to +85°C

150

Maximum Load Current V

BATT

= 2V, V

OUT

= 3.3V

200

Efficiency

BATT

= 2V, V

OUT

= 3.3V, Figures 1 or 2, I

LOAD

= 40mA

88 %

1 2 3 4 5 6 7 8 9 10 11

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Rainbow-electronics MAX8569B Manual de usuario Pagina 3

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