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PRODUCT SPECIFICATION
RC4190
2
Absolute Maximum Ratings
(beyond which the device may be damaged)1
Note:
1. Functional operation under any of these conditions is NOT implied.
Operating Conditions
Parameter
Supply Voltage (Without External
Transistor)
Min
Typ
Max
30
24
300
468
833
125
70
150
Units
V
V
mW
mW
mW
°
C
°
C
°
C
°
C
°
C
mA
mW/
°
C
mW/
°
C
mW/
°
C
RM4190
RC4190
SOIC
PDIP
CerDIP
RM4190
RC4190
P
D
T
A
< 50
°
C
Operating Temperature
-55
0
-65
Storage Temperature
Junction Temperature
SOIC, PDIP
CerDIP
Peak
SOIC
PDIP
CerDIP
125
175
Switch Current
For T
A
> 50
°
C Derate at
375
4.17
6.25
8.33
Parameter
Min
Typ
45
200
160
120
Max
Units
°
C/W
°
C/W
°
C/W
°
C/W
q
JC
Thermal resistance
Thermal resistance
CerDIP
SOIC
PDIP
CerDIP
q
JA
Pin Assignments
LBR
C
X
GND
L
X
LBD
V
FB
I
C
+V
S
8
65-3464-02
7
6
5
1
2
3
4
Pin Definitions
Pin
Name
LBR
C
X
Gnd
L
X
+V
S
I
C
V
FB
LBD
Pin
Number
1
2
3
4
5
6
7
8
Pin Function Description
Low Battery (Set) Resistor
Timing Capacitor
Ground
External Inductor
Positive Supply Voltage
Reference Set Current
Feedback Voltage
Low Battery Detector Output