TK83854
TK83854 ELECTRICAL CHARACTERISTICS (CONT.)
Test conditions: V
CC
= 18 V, R
SET
= 15 k to GND, C
T
= 1.5 nF, PKLMT = 1 V, ENA = 7.5 V, V
RMS
= 1.5 V, IAC = 100
µA,
VI
SENSE
= 0 V, V
OUT(CA)
= 3.5 V, V
OUT(VA)
= 5 V, V
SENSE
= 7.5 V, No load on SS, CA
OUT
, VA
OUT
, V
ref
, GTDRV, T
A
= Operating
Temperature Range, unless otherwise specified.
SYMBOL
MULTIPLIER
I
OM(IAC)
I
OM(ZC)
I
OM(SET)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Multiplier Output Current
(IAC
LIMITED)
IAC = 100 µA, R
SET
= 10 k
IAC = 0 µA, R
SET
= 15 k
IAC = 450 µA, R
SET
= 15 k,
V
RMS
= 1 V, VA = 6 V
IAC = 50 µA, V
RMS
= 2 V,
VA = 4 V
IAC = 100 µA, V
RMS
= 2 V,
VA = 2 V
-220
-2.0
-280
-50
-38
-165
-250
-95
-200
-0.2
-255
-42
-27
-150
-225
-80
-1.0
-180
2.0
-220
-33
-12
-105
-150
-60
µA
µA
µA
µA
µA
µA
µA
µA
V
Multiplier Output Current Zero
Multiplier Output Current
(R
SET
LIMITED)
I
OM
Multiplier Output Current
IAC = 200 µA, V
RMS
= 2 V,
VA = 4 V
IAC = 300 µA, V
RMS
= 1 V,
VA = 2 V
IAC = 100 µA, V
RMS
= 1 V,
VA = 2 V
K
Multiplier Gain Current
(Note 4)
OSCILLATOR
f
OSC
V
RP
V
RV
Oscillator Frequency
C
T
Ramp Peak-to-Peak Amplitude
C
T
Ramp Valley Voltage
R
SET
= 15 k
R
SET
= 8.2 k
46
86
4. 9
0.8
55
102
5.4
1.1
62
118
5.9
1.3
kHz
kHz
V
V
Note 4: Multiplier gain constant (K) is defined by IOM = [K x I
IAC
x (V
OUT(VA)
- 1)] / V
RMS2
.
Page 4
January 1999 TOKO, Inc.
TOKO [ TOKO, INC ]
