3940
FULL-BRIDGE POWER
MOSFET CONTROLLER
ELECTRICAL CHARACTERISTICS: unless otherwise noted at TA = -40°C to +135°C, TJ = -40°C to +150°C,
VIN ≤ VBB = 7 V to 40 V, Cp = 0.47 µF, Cr = 1 µF, CREG5 = 0.1 µF, CREG13 = 10 µF, CBOOT = 0.1 µF, PWM = 22.5 kHz
square wave.
Limits
Characteristics
Control Logic
Symbol
Conditions
Min
Typ
Max
Units
Logic Input Voltage
VIN(1)
VIN(1)
VIN(0)
IIN(1)
HIGH level input (Logic 1), except RESET.
HIGH level input (Logic 1) for RESET
LOW level input (Logic 0)
VIN = 2.0 V
2.0
2.2
–
–
–
–
–
V
V
–
0.8
100
40
1.0
V
Logic Input Current
–
40
16
–
µA
µA
µA
IIN(0)
VIN = 0.8 V, except RESET(0)
VIN = 0.8 V, RESET(0)
–
IIN(0)
–
Gate Drives, GHx, GLx ( internal SOURCE or upper switch stages)
Output High Voltage
VDSL(H)
IxU
rSDU(on)
tr
GHx: IxU = -10 mA, Vsx = 0
GLx: IxU = -10 mA, Vlss = 0
VSDU = 10 V, TJ = 25°C
VREG13 - 2.2
–
–
VREG13
VREG13
–
V
V
VREG13 - 0.2
Source Current (pulsed)
Source ON Resistance
Source Load Rise Time
–
700
–
mA
mA
Ω
VSDU = 10 V, TJ = 135°C
400
4.0
7.0
–
–
IxU = -150 mA, TJ = 25°C
–
13
IxU = -150 mA, TJ = 135°C
Measure VDSL, 20% to 80%, CL = 3300 pF
–
23
Ω
90
–
ns
Gate Drives, GHx, GLx ( internal SINK or lower switch stages)
Output Low Voltage
Sink Current (pulsed)
Sink ON Resistance
Sink Load Fall Time
VDSL(L)
IxL
rDSL(on)
tf
GHx: IxL = 10 mA, Vsx = 0
GLx: IxL = 10 mA, Vlss = 0
VDSL = 10 V, TJ = 25°C
–
–
–
–
150
150
–
mV
mV
mA
mA
Ω
–
800
–
VDSL = 10 V, TJ = 135°C
550
1.8
3.0
–
–
IxL = +150 mA, TJ = 25°C
IxL = +150 mA, TJ = 135°C
Measure VDSL, 80% to 20%, CL = 3300 pF
–
6.0
7.5
–
–
Ω
70
ns
Gate Drives, GHx, GLx (General)
Propagation Delay
tpd
Logic input to unloaded GHx, GLx
–
–
–
–
–
–
–
–
225
50
ns
ns
µs
µs
µs
µs
Output Skew Time
tsk(o)
tdead
Grouped by rising or falling edge
Dead Time
LONG = 0, RDEAD = 12.1 kΩ (IDEAD = 167 µA)
LONG = 0, RDEAD = 499 kΩ (IDEAD = 4 µA)
LONG = 1, RDEAD = 12.1 kΩ (IDEAD = 167 µA)
LONG = 1, RDEAD = 499 kΩ (IDEAD = 4 µA)
0.3
–
–
(Shoot-Through Prevention)
Between GHx, GLx transitions
of same phase
11.0
–
8.3
–
345
NOTES: Typical Data is for design information only.
Negative current is defined as coming out of (sourcing) the specified device terminal.
For GHX: VSDU = VCX – VGHX, VDSL = VGHX – VSX, VDSL(H) = VCX – VSDU – VSX
.
For GLX: VSDU = VREG – VGLX, VDSL = VGLX – VLSS, VDSL(H) = VREG – VSDU – VLSS.
Continued next page …
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