MIC4605 Datasheet, PDF (5/25 Pages) Micrel Semiconductor – 85V Half-Bridge MOSFET Drivers

Micrel, Inc.
MIC4605
Electrical Characteristics⁽⁴⁾ (Continued)
VDD = VHB = 12V; VSS = VHS = 0V; No load on LO or HO; TA = +25°C; unless otherwise noted.
Bold values indicate –40°C ≤ TJ ≤ +125°C.
Symbol Parameter
Condition
Min. Typ. Max.
Bootstrap Diode
VDL
Low-Current Forward Voltage
VDH
High-Current Forward Voltage
RD
Dynamic Resistance
LO Gate Driver
IVDD-HB = 100µA
IVDD-HB = 50mA
IVDD-HB = 50mA
0.4 0.70
0.7 1.0
2.0 5.0
VOLL
Low-Level Output Voltage
VOHL
High-Level Output Voltage
IOHL
Peak Sink Current
IOLL
Peak Source Current
HO Gate Driver
ILO = 50mA
ILO = −50mA, VOHL = VDD − VLO
VLO = 0V
VLO = 12V
0.3 0.6
0.5 1.0
1
1
VOLH
Low-Level Output Voltage
IHO = 50mA
0.3 0.6
VOHH
High-Level Output Voltage
IHO = −50mA, VOHH = VHB – VHO
0.5 1.0
IOHH
Peak Sink Current
VHO = 0V
1
IOLH
Peak Source Current
VHO = 12V
1
Switching Specifications
(LI/HI mode with inputs non-overlapping, assumes HS low before LI goes high and LO low before HI goes high)
tLPHL
Lower Turn-Off Propagation Delay
(LI Falling to LO Falling)
35
75
tHPHL
Upper Turn-Off Propagation Delay
(HI Falling to HO Falling)
35
75
tLPLH
Lower Turn-On Propagation Delay
(LI Rising to LO Rising)
35
75
tHPLH
Upper Turn-On Propagation Delay
(HI Rising to HO Rising)
35
75
tRC/FC
Output Rise/Fall Time
CL = 1000pF
20
tR/F
Output Rise/Fall Time (3V to 9V)
CL = 0.1µF
0.8
tPW
Minimum Input Pulse Width that Changes the
Output⁽⁵⁾
50
Switching Specifications PWM Mode (MIC4605-2) or LI/HI Mode (MIC4605-1) with Overlapping LI/HI Inputs
tLOOFF
Delay from PWM Going High / LI Low, to LO
Going Low
35
75
VLOOFF
LO Output Voltage Threshold for LO FET to be
Considered Off
1.9
tHOON
tHOOFF
Delay from LO off to HO Going High
Delay from PWM Going Low / HI Low, to HO
Going Low
35
75
35
75
VSWTH
Switch Node Voltage Threshold Signaling HO is
Off
1
2.2
4
Units
V
V
Ω
V
V
A
A
V
V
A
A
ns
ns
ns
ns
ns
µs
ns
ns
V
ns
ns
V
November 11, 2013
5
Revision 1.0