MAX1515 Datasheet, PDF (4/24 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 = 0°C to +85°C, unless oth-
erwise noted. Typical values are at T_A = +25°C.)
PARAMETER
REFERENCE
Reference Voltage
Reference Load Regulation
REFIN Input Voltage Range
REFOUT Output Accuracy
REFIN Input Bias Current
FAULT DETECTION
Thermal Shutdown
Undervoltage-Lockout Threshold
PGOOD Trip Threshold (Lower)
PGOOD Trip Threshold (Upper)
PGOOD Propagation Delay
PGOOD Output Low Voltage
PGOOD Leakage Current
Condition
INPUTS AND OUTPUTS
Logic Input High Voltage
Logic Input Low Voltage
Logic Input Current
SYMBOL
CONDITIONS
MIN
V_REF
V_REFIN
V_REFIN -
V_REFOUT
I_REFIN
V_CC = +3.0V to +3.6V
I_REF = -1µA to +50µA
V_CC = +3.0V to +3.6V
V_REFIN = +0.5V to +1.5V
V_REFIN = +0.5V to +1.5V
V_REFIN = 1.1V
T_A = +25°C to
+85°C
T_A = 0°C to
+85°C
1.0923
1.0907
0.5
I_REFOUT = -1mA
-10
to +1mA
I_REFOUT = -5mA
to +5mA
-20
-50
T_SHDN Rising, hysteresis = 15°C
V_CC(UVLO) V_CC rising, 2% falling-edge hysteresis
2.5
No load, falling edge, hysteresis = 1%
-13
No load, rising edge, hysteresis = 1%
+7
t_PGOOD
FB forced 2% beyond PGOOD trip
threshold
I_SINK = 1mA
High state, forced to 3.6V; V_CC = V_DD = 3.6V
SKIP, SHDN, MODE, FBSEL0, FBSEL1
2.0
SKIP, SHDN, MODE, FBSEL0, FBSEL1
SKIP, SHDN, MODE, FBSEL0, FBSEL1
-0.5
TYP MAX UNITS
1.100 1.1077
V
1.100 1.1094
10
mV
1.5
V
+10
mV
+20
+50
nA
+165
°C
2.7
2.9
V
-10
-7
%
+10 +13
%
10
µs
0.1
V
1
µA
V
0.8
V
+0.5
µA
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