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PRODUCT SPECIFICATION
RC4191/RC4192/RC4193
2
Absolute Maximum Ratings
(beyond which the device may be damaged)1
Note:
1. Functional operation under any of these conditions is NOT implied. Performance and reliability are guaranteed only if
Operating Conditions are not exceeded.
Operating Conditions
Parameter
Supply Voltage (Without External
Transistor)
Min
Typ
Max
30
24
300
468
833
125
85
70
150
Units
V
V
mW
mW
mW
°
C
°
C
°
C
°
C
°
C
°
C
mA
mW/
°
C
mW/
°
C
mW/
°
C
4191, 4192
4193
SOIC
PDIP
CerDIP
RM4191/2/3
RV4191/2/3
RC4191/2/3
P
D
T
A
< 50
°
C
Operating Temperature
-55
-25
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
240
160
150
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
65-3465-02
7
6
5
1
2
3
4
Pin Definitions
Pin
Name
LBR
C
X
L
X
Gnd
+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
External Inductor
Ground
Positive Supply Voltage
Reference Set Current
Feedback Voltage
Low Battery Detector Output