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IRS21956S
DV / Linear (Stepwise) Mode
Symbol
VREF,
hold
Definition
DV reference voltage
Min
0.4
2.82
Typ
0.5
3
Max
0.6
3.18
Units
V
Test Conditions
DV=500mV, C REF =1nF, V SE
open R RES =130K,
DV=3V, C REF =1nF, V SE
open R RES =130K,
Dynamic Electrical Characteristics
(V CC -COM)= (V B -V S )=15V. TA = 25oC. C L = 1000pF unless otherwise specified. All parameters are
reference t o COM.
Symbol Definition Min Typ Max Units Test Conditions
Internal Operational Amplifier Characteristics
t ref_ln_ramp
Gm
G open loop
BW SS
V OS
LO SR+
CMRR
PSRR
Linear ramp reference 10% to
90%
OTA transconductance
Open loop gain
Small signal bandwidth
Input offset voltage
Output positive slew rate
Common mode rejection ratio
Power supply rejection ratio
130
---
45
---
---
---
55
55
190
12
60
3.5
20
4.5
65
65
250
---
---
---
---
---
---
---
μs
mS
dB
MHz
mV
V/μs
dB
dB
C REF =1nF, V SE open R RES
=130K,
V DV =COM
CL_LO=1nF, V DV =V CC,
R RES =130K, dc bias 5V
Cc =1nF, V DV =V CC,
R RES =130K
Cc =1nF V DV =V CC,
R RES =130K
V DV =V CC, R RES =130K
CL_LO=1nF, V DV =V CC,
R RES =130K
V DV =V CC, R RES =130K
V DV =V CC, R RES =130K
Propagation Delay Characteristics
t on
Turn-on delay (HO3, LO)
---
300
400
t off
t r
t f
Turn-off delay (HO3, LO)
Turn-on rise from 10% to 90%
Turn-off fall from 90% to 10%
---
---
---
280
25
15
380
60
40
ns
Gate Drive Mode
C L =1nF
MT
www.irf.com
Delay matching, HO3 & LO turn-
on/off
10
50
? 2008 International Rectifier
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