irs27951s International Rectifier Corp., irs27951s Datasheet - Page 7

• Manufacturer Part Number: irs27951s
• Description: Resonant Half-bridge Converter Control Ic
• Manufacturer: International Rectifier Corp.

Electrical Characteristics
VCC=VBS=15V, VS=0V, CVCC=CBS=0.1uF, CLO=CHO=1nF, RT=50.5 kΩ, CT=200pF and TA = 25°C unless
otherwise specified. The output voltage and current (VO and IO) parameters are referenced to COM and are
applicable to the respective HO and LO output leads.
Protection Characteristics
Gate Driver Output Characteristics
†
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Symbol
V
R
t
R
R
V
V
V
ENHYST
BLANK
M
V
R
V
DOWN
t
I
I
OCP
RTD
CTD
EN1
EN2
SD
O+
t
t
t
t
O-
OH
OL
UP
GBD: Guaranteed by design.
DT
r
r
f
f
Gate High Voltage
Gate Low Voltage
Output rise time
Output rise time
Output fall time
Output fall time
Output deadtime matching
Output source current
Output sink current
Pull up Resistance
Pull down Resistance
RT discharge resistance
CT/SD discharge resistance
CT/SD rising enable voltage
CT/SD standby voltage
CT/SD enable hysteresis voltage
Overcurrent VS threshold
Leading edge blanking on LO
Shutdown propagation delay
|(DTLO-HO) – (DTHO-LO)|
Definition
7
Vcc-1
0.75
2.85
Min
0.6
1.9
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1.05
0.85
0.05
Typ
115
115
300
300
200
300
900
0.2
60
16
65
20
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2
3
3
3.15
0.15
Max
1.4
1.1
2.1
25
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Units
mA
ns
ns
ns
© 2010 International Rectifier
Ω
Ω
V
V
V
I
I
IRS27951S
IRS27952S
GATE
GATE
Test Conditions
I
I
GATE
C
C
GATE
C
C
IRS27951
IRS27952
LOAD
LOAD
= 20mA
=-20mA
LOAD
LOAD
GBD
GBD
GBD
= -20mA
= 20mA
=4.7nF
=4.7nF
=1nF
=1nF