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
Power Supply
Symbol
Conditions
Min
Typ
Max
Units
VBB Quiescent Current
IBB
RESET = 1, VBB = VIN = 40 V, VIN ≠ VCP
coast, stopped, CP disabled, IDEAD = 170 µA
,
–
–
–
–
–
–
4.8
4.3
7.0
7.0
mA
mA
mA
mA
mA
mA
RESET = 1, VBB = VIN = 15 V, VIN ≠ VCP
coast, stopped, CP disabled, IDEAD = 170 µA
,
RESET = 1, VBB = VIN = 40 V, VIN ≠ VCP, coast,
stopped, IDEAD = 170 µA, ICP = 0 mA
5.0
7.0
RESET = 1, VBB = VIN = 15 V, VIN ≠ VCP, coast,
stopped, IDEAD = 170 µA, ICP = 0 mA
4.8
7.0
RESET = 1, VBB = VIN = 40 V, VIN ≠ VCP, coast,
stopped, IDEAD = 170 µA, ICP = 15 mA
35.4
35.1
40.0
40.0
RESET = 1, VBB = VIN = 15 V, VIN ≠ VCP, coast,
stopped, IDEAD = 170 µA, ICP = 15 mA
RESET = 0
–
4.5
–
–
1.0
5.5
–
µA
V
VREG5 Output Voltage
VREG5 Line Regulation
VREG5 Load Regulation
VREG5 Short-Circuit Current
VCP Output Voltage Level
VREG5
VREG5
VREG5
IREG5M
VCP
No load
5.0
5.0
5.0
28
IREG5 = 4.0 mA
mV
mV
mA
V
IREG5 = 0 - 4.0 mA, VBB = 40 V
VBB = 40 V, VREG5 = 0
–
–
–
–
VBB = 14 - 40 V, ICP = 15 mA
VBB = 7 V, ICP = 15 mA
VBB+9.5 VBB+10.7 VBB+11.8
11.7
15
–
13
–
13.8
V
VCP Gate Drive
ICP
VCP(PP)
tup
SR = 1, MODE = 0, ENABLE = PWM
ICP = 15 mA, VBB = 14 V - 40 V
VIN = VCP, VBB = 14 V - 40 V
VIN = VCP, VBB = 7 V
–
–
mA
mV
ms
ms
mA
V
VCP Output Voltage Ripple
VCP Pump-Up time
500
2.5
3.5
1.4
13.3
0.7
2.0
2.0
60
–
–
–
–
VREG13 Quiescent Input Current
VREG13 Output Voltage
IREG13
VREG13
VREGDV
VREG13
VREG13
IREG13M
tsleep
RESET = 1, VBB = VIN = 40 V, coast, stopped
VIN = 15 V, no load
–
–
12.6
–
14.0
–
VREG13 Dropout Voltage
VREG13 Line Regulation
VREG13 Load Regulation
VREG13 Short-Circuit Current
Go-to-Sleep Response Time
Wake-Up Response Time
IREG13 = 15 mA, VIN = 11 V - 14 V
VIN = 15 V - 40 V, IREG13 = 15 mA
VIN = 40 V, IREG13 = 0 - 15 mA
VIN = 40 V, VREG13 = 0 (pulse)
RESET = 0 to VREG5 = 4 V
RESET = 1 to VREG13, UV cleared
V
–
–
mV
mV
mA
µs
–
–
–
–
10
–
30
–
twake
1.4
–
ms
NOTES: Typical Data is for design information only.
Negative current is defined as coming out of (sourcing) the specified device terminal.
Continued next page …
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4
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ALLEGRO [ ALLEGRO MICROSYSTEMS ]
