MAX1515 Datasheet, PDF (6/24 Pages) Maxim Integrated Products – Low-Voltage, Internal Switch, Step-Down/DDR Regulator

Low-Voltage, Internal Switch,
Step-Down/DDR Regulator
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V_IN = +3.3V, V_CC = V_DD = SHDN = MODE = +3.3V, V_REFIN = V_REF, SKIP = GND, T_A = -40°C to +85°C, unless
otherwise noted. Note 5)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
No-Load Supply Current
I_CC + I_DD V_IN = 3.3V
+ I_IN (Note 4)
MODE = GND,
FBSEL0 =
FBSEL1 = GND,
V_FB = 1.01 x
V_TARGET
900
µA
Shutdown Supply Currents
REFERENCE
Reference Voltage
Reference Load Regulation
REFIN Input Voltage Range
REFOUT Output Accuracy
FAULT DETECTION
Undervoltage-Lockout Threshold
PGOOD Trip Threshold (Lower)
PGOOD Trip Threshold (Upper)
INPUTS AND OUTPUTS
Logic Input High Voltage
Logic Input Low Voltage
I_CC + I_DD
+ I_IN
I_IN
I_LX
MODE = V_CC
V_FB = V_TARGET
SHDN = MODE = GND, LX = 0V or 3.3V
SHDN = MODE = GND, LX = 0V
SHDN = MODE = GND, LX = 3.3V
V_REF
V_REFIN
V_REFIN -
V_REFOUT
V_CC = +3.0V to +3.6V
I_REF = -1µA to +50µA
V_CC = +3.0V to +3.6V, V_CC > V_REFIN + 1.35V
V_REFIN = +0.5V to +1.5V
I_REFOUT = -1mA
to +1mA
1.086
0.5
-15
V_REFIN = +0.5V to +1.5V
I_REFOUT = -5mA
to +5mA
-25
V_CC(UVLO) V_CC rising, 2% falling-edge hysteresis
2.40
No load, falling edge, hysteresis = 1%
-13
No load, rising edge, hysteresis = 1%
+7
SKIP, SHDN, MODE, FBSEL0, FBSEL1
2.0
SKIP, SHDN, MODE, FBSEL0, FBSEL1
1300
20
µA
20
20
1.114
V
12
mV
1.5
V
+15
mV
+25
2.95
V
-7
%
+13
%
V
0.8
V
Note 2: Guaranteed by design. Not production tested.
Note 3: Not tested; guaranteed by layout. Maximum output current may be limited by thermal capability to a lower value.
Note 4: V_TARGET is the set output voltage determined by V_REFIN, FBSEL0, and FBSEL1.
Note 5: Specifications to -40°C are guaranteed by design, not production tested.
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