Datasheet

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
SLUS571 − SEPTEMBER 2003
4
www.ti.com
ELECTRICAL CHARACTERISTICS(continued)
T
J
= −40°C to 85°C, V
CC
= 12 V (unless otherwise noted)
PARAMETER UNITMAXTYPMINTEST CONDITIONS
OUTPUT DRIVER
OUT_U sink current V
(OUTx_U)
− V
(LLx)
= 3 V 1.2
OUT_U source current V
(LHx)
− V
(OUTx_U)
= 3 V −1.2
A
OUT_D sink current V
(OUTx_D)
= 3 V 1.5
A
OUT_D source current V
(OUTx_D)
= 2 V −1.5
SOFT START
I
SOFT
Soft-start current −1.3 −2.3 −2.9 µA
CURRENT PROTECTION
I
TRIP
TRIP current T
A
= 25°C 11 13 15 µA
TC TRIP current temperature coefficient T
A
= 25°C 3400 ppm/°C
AVAILABLE OPTIONS
T
A
PACKAGED DEVICES
(1)
T
A
PLASTIC TSSOP (DBT)
−40°C to 85°C TPS5124DBT
(1)
The DBT package is available taped and reeled.
Add an R suffix to the device type (e.g.
TPS5124DBTR) to order quantities of 2,000
devices per reel.
DISSIPATION RATING TABLE
PACKAGE
T
A
< 25°C
POWER
RATING
DERATING
FACTOR ABOVE
T
A
= 25°C
T
A
= 85°C
POWER
RATING
30-pin DBT 874 mW 7.0 mW/°C 454 mW
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
INV1
FB1
SS1
NC
CT
NC
GND
REF
STBY1
STBY2
SCP
NC
SS2
FB2
INV2
LH1
OUT1_U
LL1
OUT1_D
OUTGND1
TRIP1
VCC
TRIP2
VREG5
VLSD
OUTGND2
OUT2_D
LL2
OUT2_U
LH2
DBT PACKAGE
(TOP VIEW)