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IR2277S/IR2177S(PbF)
Pin: PO
Symbol
Definition
Min.
Typ.
Max.
Units
Test
Conditions
R pull-up =500 ?
V POs
Input offset voltage measured by PWM
output
-50
20
mV
f sync = 4, 20kHz
V threshold =2.75V
Ext supply=5V
(See Figure 6)
? V POs /
? Tj
Input offset voltage temperature drift
TBD
μ V/°C
? V POs
? offset between samples on channel1
and channel2 measured at PO (See
Note1)
-10
10
mV
f sync = 10kHz
See Figure 6
G p
PWM Output Gain
-38
-40.5
-42.5
%/V
V in =±250mV
? G p / ? Tj
PWM Output Gain Temperature Drift
TBD
%/(V * oC)
CMRR
PO
PO Output common mode (V S ) rejection
0.2
m %/V
V s -V ss = 0,
600V
f sync = 10kHz
V POlin
PO Linearity
0.07
0.2
%
10kHz
? V lin / ? Tj PO Linearity Temperature Drift
TBD
%/oC
10kHz
V thPO
PO threshold for OC reset
0.8
1.6
V
OC active (See
Figure 4)
PSRR PO PSRR for PO Output
0.2
%/V
V CC =V BS =
8,20V
R onPO
PO On Resistance
25
7 5
?
@ I = 2mA
See Figure 3
Note1: Refer to PO output description for channels definition
PO
or
OC
R ON
V SS
Internal signal
Figure 3: PO and OC open collector circuit
4
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