Datasheet

IR2161(S) & (PbF)
www.irf.com 5
Symbol Description
V
CC
Supply voltage
COM IC power and signal ground
CSD Shutdown timing and compensation capacitor
CS Current sensing input
LO Low-side gate driver output
V
S
High-side floating return
HO High side gate driver output
V
B
High side gate driver floating supply
Lead Definitions
Lead Assignments
* Recommended value for CSD is 100nF (all performance data relates to this value)
NOTE: The recommended value for RL is 1K Ohm and CCS is 1nF.
Electrical Characteristics (cont.)
V
CC
= V
BS
= V
BIAS
= 14V, +/- 0.25V, VCSD = 5.0V, C
LO =
C
HO
= 1000 pF, and T
A
= 25°C unless otherwise specified.
Soft Start Characteristics
Symbol Definition Min. Typ. Max. Units Test Conditions
I
SS
Soft start CSD charge current  0.5  mA
f
SS
Soft start frequency

115

kHz VCC>VCCUV+
Symbol Definition Min. Typ. Max. Units Test Conditions
V
LO=LOW
LO voltage when LO is low — COM —
V
HO=LOW
HO voltage when HO is low — COM —
V
LO=HIGH
LO voltage when LO is high — VCC —
V
HO=HIGH
HO voltage when HO is high — VCC —
t
RISE
Turn-on rise time — 110 250
t
FALL
Turn-off fall time — 60 140
IO+ HO, LO source current — 200 —
IO- HO, LO sink current — 300 —
Gate Driver Output Characteristics
mA
C
HO
=C
LO
=1nFns
1
2
3
4
IR2161
VCC
COM
CS
LO
VS
HO
VB
8
7
6
5
CSD