Datasheet
LM5106
SNVS424C –JANUARY 2006–REVISED MARCH 2012
www.ti.com
Electrical Characteristics (continued)
Specifications in standard typeface are for T
J
= +25°C, and those in boldface type apply over the full operating junction
temperature range. Unless otherwise specified, V
DD
= HB = 12V, V
SS
= HS = 0V, EN = 5V. No load on LO or HO. RDT=
100kΩ
(1)
.
Symbol Parameter Conditions Min Typ Max Units
DEAD-TIME CONTROLS
VRDT Nominal Voltage at RDT 2.7 3 3.3 V
IRDT RDT Pin Current Limit RDT = 0V 0.75 1.5 2.25 mA
UNDER VOLTAGE PROTECTION
V
DDR
V
DD
Rising Threshold 6.2 6.9 7.6 V
V
DDH
V
DD
Threshold Hysteresis 0.5 V
V
HBR
HB Rising Threshold 5.9 6.6 7.3 V
V
HBH
HB Threshold Hysteresis 0.4 V
LO GATE DRIVER
V
OLL
Low-Level Output Voltage I
LO
= 100 mA 0.21 0.4 V
V
OHL
I
LO
= –100 mA,
High-Level Output Voltage 0.5 0.85 V
V
OHL
= V
DD
– V
LO
I
OHL
Peak Pullup Current LO = 0V 1.2 A
I
OLL
Peak Pulldown Current LO = 12V 1.8 A
HO GATE DRIVER
V
OLH
Low-Level Output Voltage I
HO
= 100 mA 0.21 0.4 V
V
OHH
I
HO
= –100 mA,
High-Level Output Voltage 0.5 0.85 V
V
OHH
= HB – HO
I
OHH
Peak Pullup Current HO = 0V 1.2 A
I
OLH
Peak Pulldown Current HO = 12V 1.8 A
THERMAL RESISTANCE
θ
JA
Junction to Ambient See
(2)(3)
40 °C/W
(2) 4 layer board with Cu finished thickness 1.5/1.0/1.0/1.5 oz. Maximum die size used. 5x body length of Cu trace on PCB top. 50 x 50mm
ground and power planes embedded in PCB. See Application Note AN-1187.
(3) The θ
JA
is not a constant for the package and depends on the printed circuit board design and the operating conditions.
Switching Characteristics
Specifications in standard typeface are for T
J
= +25°C, and those in boldface type apply over the full operating junction
temperature range. Unless otherwise specified, V
DD
= HB = 12V, V
SS
= HS = 0V, No Load on LO or HO
(1)
.
Symbol Parameter Conditions Min Typ Max Units
t
LPHL
Lower Turn-Off Propagation Delay 32 56 ns
t
HPHL
Upper Turn-Off Propagation Delay 32 56 ns
t
LPLH
Lower Turn-On Propagation Delay RDT = 100k 400 520 640 ns
t
HPLH
Upper Turn-On Propagation Delay RDT = 100k 450 570 690 ns
t
LPLH
Lower Turn-On Propagation Delay RDT = 10k 85 115 160 ns
t
HPLH
Upper Turn-On Propagation Delay RDT = 10k 85 115 160 ns
t
en
, t
sd
Enable and Shutdown propagation delay 36 ns
DT1, DT2 RDT = 100k 510 ns
Dead-time LO OFF to HO ON & HO OFF to
LO ON
RDT = 10k 86 ns
MDT Dead-time matching RDT = 100k 50 ns
t
R
Either Output Rise Time C
L
= 1000pF 15 ns
t
F
Either Output Fall Time C
L
= 1000pF 10 ns
(1) Min and Max limits are 100% production tested at 25°C. Limits over the operating temperature range are ensured through correlation
using Statistical Quality Control (SQC) methods. Limits are used to calculate Average Outgoing Quality Level (AOQL).
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