Datasheet

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SLVS289A − MARCH 2000 − REVISED OCTOBER 2000
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics T
J
= 0° to 125°C, V
CC
= 2.8 V to 5.5 V (unless otherwise noted)
input
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
V
CC
Supply voltage range 2.8 5.5 V
I
CC
Quiescent current INHIBIT = 0 V, V
CC
= 5 V 15 mA
NOTE 2: Ensured by design, not production tested.
reference/voltage identification
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
VID0−VID1 High-level input voltage (2) V
BIAS
− 0.3 V V
VID0−VID1 Mid-level floating voltage (1)
V
BIAS
2
* 1
V
BIAS
2
) 1
V
VID0−VID1 Low-level input voltage (0) 0.3 V
Input pull-to-mid resistance 36.5 73 95 kΩ
cumulative reference
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
V
REF
= 1.3 V, Hysteresis window = 30 mV,
T
J
= 25°C
−1.3% 0.25% 1.3%
Cumulative accuracy ripple regulator
V
REF
= 1.3 V, Hysteresis window = 30 mV,
T
J
= −40°C, See Note 2
−0.2%
V
REF
= full range, Hysteresis window = 30 mV,
Droop = 0, See Note 2
−1.5% 1.5%
Cumulative accuracy LDO
V
REF
= 1.3 V, I
O
= 0.1 A,
Closed Loop, Pass device = IRFZ24N,
T
J
= 25°C, See Note 2
−2% 2%
Cumulative accuracy LDO
V
REF
= full range, I
O
= 0.1 A, Closed Loop,
Pass device = IRFZ24N, See Note 2
−2.5% 2.5%
NOTE 2. Ensured by design, not production tested.
buffered reference
PARAMETER CONDITIONS MIN TYP MAX UNITS
VREFB output voltage
I
REFB
=50 µA, Accuracy from V
REF
nominal
V
REF
−1.5%
V
REF
V
REF
+1.5%
V
VREFB output voltage
I
REFB
=50 µA, Accuracy from V
REF
nominal
T
J
= −40°C, See Note 2
V
REF
−0.6%
V
VREFB load regulation 10 µA < I
REFB
< 500 µA 2 mV
NOTE 2. Ensured by design, not production tested.
hysteretic comparator(ripreg)
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
Input bias current See Note 2 500 nA
Hysteresis accuracy
V
VREFB
− V
VHYST
= 15 mV,
Hysteresis window = 30 mV
−3.5 3.5 mV
Maximum hysteresis setting
V
VREFB
− V
VHYST
= 30 mV,
See Note 2
60 mV
Propagation delay time from VSENSE to HIGHDR or
LOWDR (excluding deadtime)
10 mV overdrive, 1.3 V <= V
REF
<= 3.3 V,
See Note 2
150 250 ns
Prefilter pole frequency See Note 2 5 MHz
NOTE 2. Ensured by design, not production tested.