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