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High-Speed, Dual-Phase Driver
with Integrated Boost Diodes
ABSOLUTE MAXIMUM RATINGS
DLY, EN, PWM_, DL_ to PGND_.................-0.3V to (V VL_ + 0.3V)
BST_ to PGND_ ............................................-0.3V to (V LX_ + 8V)
BST_ to VL_ ...............................................................-1V to +30V
LX_ to PGND_............................................................-1V to +28V
DH_ to PGND_.........................................-0.3V to (V BST_ + 0.3V)
DH_, BST_ to LX_ .....................................................-0.3V to +8V
VL_ to PGND_ ..........................................................-0.3V to +8V
DH_, DL_ Current ................................................. ±200mA RMS
VL_ to BST_ Internal Diode Current .........................±50mA RMS
PGND1 to PGND2 .................................................-0.3V to +0.3V
Continuous Power Dissipation (T A = +70°C)
16-Pin QSOP (derate 8.3 mW/°C above +70°C)......666.7 mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V DLY = V EN = V BST_ = V VL_ = 6.5V, V PGND_ = V LX_ = V PWM_ = 0V, T A = -40°C to +85°C , unless otherwise noted. Typical values are
at T A = +25°C.) (Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
GENERAL
VL_ Input Voltage Range
LX Operating Range
4.5
7
26
V
V
VL_ Undervoltage Lockout
(UVLO)
Supply Current (per Channel)
I BST_ + I VL_
Shutdown Supply Current
(per Channel) I BST_ + I VL_
V VL_ rising, 250mV hysteresis (typ)
V PWM__ = 0V
V PWM__ = V DLY = V VL_
V EN = 0V, V PWM_ = 0V or V VL_
3.25
0.7
1.4
0.04
3.8
1.5
2
1
V
mA
μA
PWM_
Input Leakage
Input Voltage High Threshold
Input Voltage Low Threshold
Input Threshold Hysteresis
V PWM_ = 0V or 7.0V, V EN = 0V or 7.0V
1.2
0.01
20
3.5
μA
V
V
%
EN
Input Leakage
Input Voltage High Threshold
Input Voltage Low Threshold
Input Voltage Hysteresis
V PWM_ = 0V or 7.0V, V EN = 0V or 7.0V
0.8
0.01
0.5
2.6
μA
V
V
V
DLY
Delay Disable Threshold
V VL_ - V DLY
0.8
1.2
V
2
_______________________________________________________________________________________
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