Datasheet

TPS40195
www.ti.com SLUS720E –FEBRUARY 2007–REVISED JULY 2012
PACKAGE DISSIPATION RATINGS
R
θJA
High-K Board
(1)
Power Rating (W) Power Rating (W)
PACKAGE AIRFLOW (LFM)
(°C/W) T
A
= 25°C T
A
= 85°C
PW 0 (Natural Convection) 110 0.90 0.36
0 (Natural Convection) 49.2 2.0 0.81
RGY 200 41.2 2.4 0.97
400 37.7 2.6 1.0
(1) Ratings based on JEDEC High Thermal Conductivity (High K) Board. For more information on the test method, see TI Technical Brief
SZZA017.
ELECTROSTATIC DISCHARGE (ESD) PROTECTION
MIN TYP MAX UNIT
Human Body Model (HBM) 2500
V
Charged Device Model (CDM) 1500
ELECTRICAL CHARACTERISTICS
T
J
= –40°C to 85°C, V
VDD
= 12 V
dc
, all parameters at zero power dissipation (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
REFERENCE
0°C ≤ T
J
≤ 85°C 588 591 594
V
FB
Feedback voltage range mV
-40°C ≤ T
J
≤ 85°C 585 591 594
INPUT SUPPLY
V
VDD
Input voltage range 4.5 20.0 V
V
EN
= 3 V 4 mA
I
VDD
Operating current V
EN
< 0.6 V, V
VDD
= 12 V 165 250
μA
V
EN
< 0.6 V, V
VDD
= 20 V 230 330
ON BOARD REGULATOR
V
BP
Output voltage V
VDD
> 6 V, I
BP
≤ 10 mA 5.1 5.3 5.5 V
V
DO
Regulator dropout voltage, V
VDD
- V
BP
V
VDD
= 5 V, I
BP
≤ 25 mA 350 550 mV
I
SC
Regulator current limit threshold 75
mA
I
BP
Average current 75
OSCILLATOR
V
RT
= V
BP
400 500 580
f
SW
Switching frequency V
RT
= 0 V 200 250 290 kHz
R
RT
= 100 kΩ 250
V
RMP
Ramp amplitude
(1)
1 V
SYNCHRONIZATION
V
INH
High-level input voltage 2.5
V
V
INL
Low-level input voltage 0.5
T
F(max)
Maximum input fall time
(1)
100 ns
V
OH
High-level output voltage I
SYNC
= 100 μA, sourcing 3.5
V
V
OL
Low-level output voltage I
SYNC
= 100 μA, sinking 0.3
T
F
Output fall time
(1)
10 25
C
SYNC
=25 pF ns
T
R
Output rise time
(1)
100 300
(1) Specified by design. Not production tested.
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