TPS5210 Datasheet, PDF (11/29 Pages) Texas Instruments – PROGRAMMABLE SYNCHRONOUS-BUCK REGULATOR CONTROLLER

TPS5210
PROGRAMMABLE SYNCHRONOUS BUCK REGULATOR CONTROLLER
SLVS171A – SEPTEMBER 1998 – REVISED MAY 1999
electrical characteristics over recommended operating virtual junction temperature range,
V_CC = 12 V, I_DRV = 0 A (unless otherwise noted) (continued)
deadtime
PARAMETER
LOHIB
High-level input voltage
Low-level input voltage
High-level input voltage
LOWDR
Low-level input voltage
NOTE 3: This parameter is ensured by design and is not production tested.
LODRV
LODRV
PARAMETER
High-level input voltage
Low-level input voltage
TEST CONDITIONS
See Note 3
See Note 3
MIN TYP MAX UNIT
2.4
V
1.4
3
V
1.7
TEST CONDITIONS
MIN TYP MAX UNIT
1.85
V
0.95
droop compensation
Initial accuracy
PARAMETER
drive regulator
PARAMETER
Output voltage
Output regulation
Short-circuit current
TEST CONDITIONS
VDROOP = 50 mV
TEST CONDITIONS
11.4 V ≤ VCC ≤ 12.6 V,
1 mA ≤ IDRV ≤ 50 mA
IDRV = 50 mA
MIN TYP MAX UNIT
46
54 mV
MIN TYP MAX UNIT
7
9V
100
mV
100
mA
bias regulator
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
Output voltage
11.4 V ≤ VCC ≤ 12.6 V,
See Note 4
6
V
NOTE 4: The bias regulator is designed to provide a quiet bias supply for the TPS5210 controller. External loads should not be driven by the bias
regulator.
input undervoltage lockout
PARAMETER
Start threshold
Hysteresis
Stop threshold
TEST CONDITIONS
MIN TYP MAX UNIT
9.25
10 10.75 V
1.9
2 2.2 V
7.5
V
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