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MAX1763 Fiches technique(PDF) 5 Page - Maxim Integrated Products

No de pièce MAX1763
Description  1.5A, Low-Noise, 1MHz, Step-Up DC-DC Converter
Download  16 Pages
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Fabricant  MAXIM [Maxim Integrated Products]
Site Internet  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX1763 Fiches technique(HTML) 5 Page - Maxim Integrated Products

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1.5A, Low-Noise, 1MHz, Step-Up
DC-DC Converter
_______________________________________________________________________________________
5
ELECTRICAL CHARACTERISTICS (continued)
(CLK/SEL = ONB = FB = PGND = GND, ISET = REF, OUT = POUT, VONA = VAIN = VOUT = 3.6V, TA = -40°C to +85°C, unless other-
wise noted.) (Note 8)
PARAMETER
CONDITIONS
MIN
MAX
UNITS
LOGIC INPUTS
Gain-Block Enable Threshold
(VOUT - VAIN) (Note 6)
1.4
V
Gain-Block Disable Threshold
(VOUT - VAIN) (Note 6)
0.2
V
CLK/SEL Input Low Level
2.5 V
≤ VOUT ≤ 5.5V
(0.2)
VOUT
V
CLK/SEL Input High Level
2.5 V
≤ VOUT ≤ 5.5V
(0.8)
VOUT
V
1.1 V
≤ VOUT ≤ 1.8V
0.2
ONA and ONB Input Low Level
(Note 7)
1.8 V
≤ VOUT ≤ 5.5V
0.4
V
1.1 V
≤ VOUT ≤ 1.8V
VOUT
- 0.2V
ONA and ONB Input High Level
(Note 7)
1.8V
≤ VOUT ≤ 5.5V
1.6
V
Input Leakage Current
CLK/SEL, ONA, ONB
1µA
Note 1: Operating voltage. Because the regulator is bootstrapped to the output, once started, the MAX1763 will operate down to
0.7V input.
Note 2: Startup is tested with the circuit of Figure 2.
Note 3: Defines low-noise mode maximum step-up ratio.
Note 4: The regulator is in startup mode until this voltage is reached. Do not apply full load current until the output exceeds 2.3V.
Note 5: Supply current from the 3.3V output is measured between the 3.3V output and the OUT pin. This current correlates directly
to the actual battery-supply current, but is reduced in value according to the step-up ratio and efficiency. The gain block is
disabled.
Note 6: Connect AIN to OUT to disable gain block.
Note 7: ONA and ONB have hysteresis of approximately 0.15
VOUT.
Note 8: Specifications to -40°C are guaranteed by design and not production tested.


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