SC2422AEVB View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
SC2422AEVB Datasheet PDF : 10 Pages
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BIPHASE CURRENT MODE
CONTROLLER
SC2422A
PRELIMINARY - August 7, 2000
ELECTRICAL CHARACTERISTICS (Cont)
Unless specified: VCC = +5V, TAMB = 25°C, RREF = 11.5kΩ.
PARAMETER
CONDITIONS
MIN
Current Sense Amplifier
Amplifier Gain
Input Offset Voltage,
Input Referred
(VOC- - VOC+ ) < 100mV
(VOC- - VOC+ ) < 100mV
CMRR
PSRR
Input Common Mode Range
VICM = 9 ~ 14V @ DC
VCC = 9 ~ 14V @ DC
Max Differential Signal/
Current Limit Threshold
VOC- - VOC+
I-Limit Delay
Current limit activation to OUT 1 & OUT
2 switching off
Protection
UVLO Ramp-up Threshold
UVLO Ramp-down Threshold
Outputs (OUT 1, OUT 2)
RSOURCE UVLO pin = 20kΩ
RSOURCE UVLO pin = 20kΩ
Max Duty Cycle
Per phase, FOSC = 500kHz
Duty Match
FOSC = 500kHz
-.5
Typical Output Voltage Swing
RL = 10kΩ
.8
TYP
26
4
80
80
VCC +/-
0.3
100
60
1.475
1.375
47
MAX
.5
2.5
UNITS
dB
mV
dB
dB
mV
ns
V
V
%
%
V
VID Logic Threshold
VID Logic Pin Bias Current
Note:
RL = 100kΩ
VIN = 0
.2
3.3
V
0.8
2
V
12
µA
1. If the VID pins are driven high by an external source (in contrast to being left open), then all VIDs input will need
to be externally pulled high. If VIDs are left open, no external pull-up is required.
2. This device is ESD sensitive. Use of standard ESD handling precautions is required.
© 2000 SEMTECH CORP.
3
652 MITCHELL ROAD NEWBURY PARK CA 91320
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