Rainbow-electronics MAX1759 User Manual download pdf (Page 3)

MAX1759

Buck/Boost Regulating

Charge Pump in µMAX

_______________________________________________________________________________________ 3

ELECTRICAL CHARACTERISTICS

(Circuit of Figure 1, V

= V

SHDN

= 2V, FB = PGND = GND, C

= 10µF, C

= 0.33µF, C

OUT

= 10µF, T

= -40°C to +85°C, unless oth-

erwise noted.) (Note 1)

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

PARAMETER

SYMBOL MIN MAX UNITS

Quiescent Supply Current I

Maximum Output Current I

LOAD,MAX

100

Output Voltage Adjustment

Range

2.5 5.5

3.15 3.45

180

µA

Shutdown Supply Current I

Q,SHDN

µA

Leakage Current into OUT in

Shutdown

µA

SHDN Input Logic Voltage

0.2 · V

Input Undervoltage Lockout

Voltage

Input Voltage Range V

1.6 5.5

UVLO

0.6 1.4

Output Voltage V

OUT

3.15 3.45

0.7 · V

SHDN Input Leakage Current

SHDN

-1 1

µA

FB Regulation Voltage V

1.205 1.265

FB Input Bias Current

200

FB Dual Mode Threshold

200

POK Trip Voltage

1.0 1.2

POK Output Low Voltage V

100

POK Leakage Current

0.2

µA

Switching Frequency f

OSC

1.1 1.9

MHz

CONDITIONS

1.6V ≤ V

≤ 5.5V

= V

SHDN

= 4V, V

= 0

SHDN

= 5.5V

2.5V ≤ V

≤ 5.5V

1.6V ≤ V

≤ 5.5V

2.5V ≤ V

≤ 5.5V, 0 ≤ I

LOAD

≤ 100mA

= V

SHDN

= 2.5V, V

= 0

1.6V ≤ V

≤ 5.5V, V

SHDN

= 0

= 1.65V, V

OUT

= 3.3V

= 1.27V

= 2V, V

OUT

= 3.3V, V

SHDN

= 0

1.6V ≤ V

≤ 5.5V

Internal feedback

External feedback

Falling edge at FB

SINK

= 0.5mA, V

= 2V

POK

= 5.5V

1.6V ≤ V

≤ 5.5V, V

= 1V

2V ≤ V

≤ 5.5V, 0 ≤ I

LOAD

≤ 50mA

1 2 3 4 5 6 7 8 9 10

Comments to this Manuals

No comments

Rainbow-electronics MAX1759 User Manual Page 3

Comments to this Manuals

Related products and manuals for Sensors Rainbow-electronics MAX1759