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PRODUCT SPECIFICATION
RC4190
4
Electrical Characteristics
(+V
S
= +6.0V, I
C
= 5.0
m
A, and T
A
= +25
°
C unless otherwise noted.)
RM4190
Typ
RC4190
Typ
Symbol
+V
S
V
REF
Parameters
Supply Voltage
Reference Voltage
(Internal)
Switch Current
Supply Current
Conditions
Min
2.2
1.29
Max
30
1.33
Min
2.2
1.24
Max
24
1.38
Units
V
V
1.31
1.31
I
SW
I
SY
V
4
= 400 mV
Measure at Pin 5
I
4
= 0
100
200
215
100
200
215
mA
m
A
300
300
ef
Efficiency
Line Regulation
85
0.04
85
0.04
%
0.5 V
OUT
< V
S
<
V
OUT
V
S
= +0.5 V
OUT
P
L
= 150 mW
0.2
0.5
% V
O
L
I
Load Regulation
0.2
0.5
0.2
0.5
% V
O
F
O
Operating Frequency
Range
Reference Set Current
Switch Leakage
Current
0.1
25
75
0.1
25
75
kHz
I
C
I
CO
1.0
5.0
0.01
50
5.0
5.0
0.01
50
5.0
m
A
m
A
V
4
= 24V (RC4190)
30V (RM4190,
RC4190A)
V
C
£
200 mV
I
SO
Supply Current
(Disabled)
Low Battery Bias
Current
Capacitor Charging
Current
Oscillator Frequency
Tolerance
Capacitor Threshold
Voltage +
Capacitor Threshold
Voltage –
Feedback Input
Current
Low Battery Output
Current
0.1
5.0
0.1
5.0
m
A
I
1
V
1
= 1.2V
0.7
0.7
m
A
I
CX
8.6
8.6
m
A
±
10
±
10
%
+V
THX
1.4
1.4
V
-V
THX
0.5
0.5
V
I
FB
V
7
= 1.3V
0.1
0.1
m
A
I
LBD
V
8
= 0.4V, V
1
= 1.1V
500
1500
500
1500
m
A