TPS5124
SLUS571 鈭?SEPTEMBER 2003
ELECTRICAL CHARACTERISTICS(continued)
TJ = 鈭?0擄C to 85擄C, VCC = 12 V (unless otherwise noted)
PARAMETER
OUTPUT DRIVER
OUT_U sink current
OUT_U source current
OUT_D sink current
OUT_D source current
SOFT START
ISOFT
Soft-start current
CURRENT PROTECTION
ITRIP
TC
TRIP current
TRIP current temperature coefficient
TA = 25擄C
TA = 25擄C
鈭?.3
11
鈭?.3
13
3400
鈭?.9
15
碌A(chǔ)
碌A(chǔ)
ppm/擄C
V(OUTx_U) 鈭?V(LLx) = 3 V
V(LHx) 鈭?V(OUTx_U) = 3 V
V(OUTx_D) = 3 V
V(OUTx_D) = 2 V
1.2
鈭?.2
1.5
鈭?.5
A
TEST CONDITIONS
MIN
TYP
MAX
UNIT
AVAILABLE OPTIONS
TA
PACKAGED DEVICES(1)
PLASTIC TSSOP (DBT)
DISSIPATION RATING TABLE
PACKAGE
30-pin DBT
TA < 25擄C
POWER
RATING
874 mW
DERATING
FACTOR ABOVE
TA = 25擄C
7.0 mW/擄C
TA = 85擄C
POWER
RATING
454 mW
鈭?0擄C to 85擄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.
DBT PACKAGE
(TOP VIEW)
INV1
FB1
SS1
NC
CT
NC
GND
REF
STBY1
STBY2
SCP
NC
SS2
FB2
INV2
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
LH1
OUT1_U
LL1
OUT1_D
OUTGND1
TRIP1
VCC
TRIP2
VREG5
VLSD
OUTGND2
OUT2_D
LL2
OUT2_U
LH2
4
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