Datasheet

2.5
2.6
2.7
2.8
2.9
3.0
3.1
3.2
3.3
3.4
3.5
−50 −25 0 25 50 75 100 125 150
Junction Temperature (°C)
Current Limit Threshold (A)
V
IN
= 5V
V
IN
= 3.3V
G003
−6.0
−5.8
−5.6
−5.4
−5.2
−5.0
−4.8
−4.6
−4.4
−4.2
−4.0
−50 −25 0 25 50 75 100 125 150
Junction Temperature (°C)
Current Limit Threshold (A)
V
IN
= 3.3V
V
IN
= 5V
G004
0
10
20
30
40
50
60
70
80
90
−50 −25 0 25 50 75 100 125 150
Junction Temperature (°C)
On Resistance (mΩ)
High Side V
IN
= 5V
Low Side V
IN
= 5V
High Side V
IN
= 3.3V
Low Side V
IN
= 3.3V
G001
400
425
450
475
500
−50 −25 0 25 50 75 100 125 150
Junction Temperature (°C)
Oscillator Frequency (kHz)
V
IN
= 5V
R
T
= 200kΩ
G002
TPS55010
SLVSAV0A –APRIL 2011–REVISED JUNE 2011 www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
T
J
= –40°C TO 150°C, VIN = 2.95V TO 6V (unless otherwise noted)
DESCRIPTION CONDITIONS MIN TYP MAX UNIT
SS Slow Start
VIN UVLO to SS start time 100 µs
Charge current V
(SS)
= 0.4 V 0.5 2.2 4 µA
SS to VSENSE matching V
(SS)
= 0.4 V 35 mV
SS to reference Crossover 98% reference 1.1 V
SS discharge current (overload) VSENSE = 0 V 325 µA
SS discharge voltage VSENSE = 0V 46 mV
SS discharge current (UVLO, EN, V
(SS)
= 0.5 V 1.2 mA
thermal fault)
FAULT Pin
VSENSE falling 91 % VREF
VSENSE threshold
VSENSE rising 108 % VREF
Output high leakage VSENSE = V
REF
, V
(FAULT)
= 5.5 V 2 nA
Output low I
(FAULT)
= 3 mA 0.3 V
Minimum VIN for valid output V
(FAULT)
< 0.5 V at 100 µA 1.6 V
Spacer
TYPICAL CHARACTERISTICS
SPACER
Figure 3. HIGH SIDE AND LOW SIDE R
DS(on)
Figure 4. FREQUENCY vs TEMPERATURE
vs TEMPERATURE
Figure 5. HIGH SIDE CURRENT LIMIT (SOURCING) vs Figure 6. LOW SIDE CURRENT LIMIT (SINKING) vs
JUNCTION TEMPERATURE JUNCTION TEMPERATURE
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