MAX38640–MAX38643
Tiny 1.8V to 5.5V Input, 330nA I , 700mA
Q
nanoPower Buck Converter
Electrical Characteristics (continued)
(V = 3.3V, V
= 1.8V, T = -40°C to +85°C, C = 10µF, C
= 22µF, unless otherwise specified. (Note 2))
OUT
IN
OUT
A
IN
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Required Select
Resistor Accuracy
(MAX38640A/1A/2A/3A
Only)
Use the nearest ±1% resistor from Table
1
R
-1
+1
%
SEL
Select Resistor
Detection Time
(MAX38640A/1A/2A/3A
Only)
t
C
SEL
< 2pF
240
600
1320
µs
RSEL
Thermal Shutdown
T
T
T rising when output turns off
165
150
°C
°C
SHUT
J
Thermal Shutdown
Threshold
T falling when output turns on
J
SHUT
Note 2: Limits over the specified operating temperature and supply voltage range are guaranteed by design and characterization, and
production tested at room temperature only.
Note 3: Output Accuracy in low-power mode (LPM) and does not include load, line, or ripple.
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