ELECTRICAL CHARACTERISTICS
VIN=PVIN=VSDN=3.6V, VOUT=VFB, IO = 0mA, TAMB = -40°C to +85°C, The ♦ denotes the specifications wich apply over
the full operating temperature range, unless otherwise specified.
PARAMETER
UVLO Undervoltage Lockout
Threshold, VIN falling
UVLO hysteresis
PWRGD Low Output Voltage
PWRGD Leakage Current
PWRGD Rising Threshold
PWRGD Hysterisis
D1,D0 Leakage Current
D1,D0 Input Threshold Voltage
FB Leakage Current
MIN
2.55
2.70
2.85
0.60
TYP MAX UNITS
CONDITIONS
2.70 2.85
♦ D1 = 0V, D0 = VIN
2.85 3.00
V ♦ D1 = V , D0 = 0V
IN
3.00 3.15
40
0.4
1
-6
80
1
500
♦ D1 = VIN, D0 = VIN
mV
TAMB = 27° C
V ♦ V = 3.3V, I = 1mA
IN
SINK
µA ♦ VPWRGD =3.6V
%
FB Set Voltage -6%,
TAMB=27° C
mV
TAMB=27° C
nA ♦
0.90
1.25 1.8
♦ High to Low Transition
V
♦ Low to High Transition
1
100
nA
FB = 1V
D1
D0
0
0
Shutdown. All internal circuitry is disabled and the power switches are opened.
0
1
Device enabled, falling UVLO threshold =2.70V
1
0
Device enabled, falling UVLO threshold =2.85V
1
1
Device enabled, falling UVLO threshold =3.00V
Table 1. Operating Mode Definition
Date: 2/1/05
SP6654 High Efficiency 800mA Synchronous Buck Regulator
3
© Copyright 2005 Sipex Corporation