IRS21856S
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
(VCC-COM)= (VB-VS)=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
HO1 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
110
---
45
---
---
---
55
55
170
12
60
3.5
10
4.5
65
65
230
---
---
---
---
---
---
---
μs
mS
dB
MHz
mV
V/μs
dB
dB
C REF =1nF, V SE open, R RES
=130K,
V DV =VS=COM
CL_LO=1nF, V DV =V B,
R RES =130K, dc bias 5V
Cc =1nF, V DV =V B,
R RES =130K
Cc =1nF V DV =V B,
R RES =130K
V DV =V B, R RES =130K
CL_HO1=1nF, V DV =V B,
R RES =130K
V DV =V B, R RES =130K
V DV =V B, R RES =130K
Propagation Delay Characteristics
t on
t off
Turn-on delay (HO1, LO3)
Turn-off delay (HO1, LO3)
---
---
150
160
250
260
t r
t f
Turn-on rise from 10% to 90%
Turn-off fall from 90% to 10%
---
---
30
20
70
70
ns
Gate Drive Mode
C L =1nF
MT
www.irf.com
Delay matching, HO1 & LO3 turn-
on/off
10
50
? 2008 International Rectifier
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