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IR2121 Datasheet PDF : 16 Pages
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IR2121 & (PbF)
Dynamic Electrical Characteristics
VBIAS (VCC) = 15V, CL = 3300 pF and TA = 25°C unless otherwise specified. The dynamic electrical characteristics are
defined in Figures 2 through 5.
Symbol
ton
toff
tsd
tr
tf
tcs
terr
Parameter
Definition
Turn-On Propagation Delay
Turn-Off Propagation Delay
ERR Shutdown Propagation Delay
Turn-On Rise Time
Turn-Off Fall Time
CS Shutdown Propagation Delay
CS to ERR Pull-Up Propagation Delay
Figure
7
8
9
10
11
12
13
Min.
—
—
—
—
—
—
—
Value
Typ. Max. Units
150 200
ns
200 250
1.7 2.2 µs
43 60
ns
26 35
0.7 1.2
µs
9.0 12
Test Conditions
VIN = 0 & 5V
CERR = 270 pF
Static Electrical Characteristics
VBIAS (VCC) = 15V and TA = 25°C unless otherwise specified. The VIN, VTH and IIN parameters are referenced to COM.
The VO and IO parameters are referenced to VS .
Symbol
VIH
VIL
VCSTH+
VCSTH-
VOH
VOL
IQCC
IIN+
IIN-
ICS+
ICS-
VCCUV+
VCCUV-
IERR
IERR+
IERR-
IO+
IO-
Parameter
Value
Definition
Figure Min. Typ. Max. Units Test Conditions
Logic “1” Input Voltage
Logic “0” Input Voltage
14
2.2 —
—
V
15
—
— 0.8
CS Input Positive Going Threshold
16 150 230 320
CS Input Negative Going Threshold
17
High Level Output Voltage, VBIAS - VO
18
Low Level Output Voltage, VO
19
Quiescent VCC Supply Current
20
Logic “1” Input Bias Current
21
Logic “0” Input Bias Current
22
“High” CS Bias Current
23
“Low” CS Bias Current
24
VCC Supply Undervoltage Positive Going
25
Threshold
VCC Supply Undervoltage Negative Going 26
Threshold
ERR Timing Charge Current
27
ERR Pull-Up Current
28
ERR Pull-Down Current
29
Output High Short Circuit Pulsed Current
30
Output Low Short Circuit Pulsed Current
31
130 210 300
mV
—
— 100
IO = 0A
—
— 100
IO = 0A
—
1.1 2.2 mA VIN = VCS = 0V or 5V
— 4.5 10
VIN = 5V
—
— 1.0
µA
VIN = 0V
— 4.5 10
VCS = 3V or 5V
—
— 1.0
VCS = 0V
8.3 8.9 9.6
V
7.3 8.0 8.7
65
100 130 µA VIN = 5V, VCS = 3V
ERR < VERR+
8.0 15 —
VIN = 5V, VCS = 3V
mA
ERR > VERR+
16 30 —
VIN = 0V
1.0 1.6 —
VO = 0V, VIN = 5V
2.0 3.3 —
PW ≤ 10 µs
A
VO = 15V, VIN = 0V
PW ≤ 10 µs
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