BLOCK DIAGRAM
V
IN
IN
BYP
OUT
+
+
-
Bandgap
Ref.
V
OUT
C
OUT
C
BYP
(Optional)
V
IN
IN
OUT
+
ADJ
+
R2
-
Bandgap
Ref.
V
OUT
C
OUT
EN
R1
Current Limit
Thermal Shutdown
C
BYP
(Optional)
GND
EN
V
OUT
= V
REF
(1 + R2/ R1)
Current Limit
Thermal Shutdown
Figure 1. Ultra-Low-Noise Fixed Regulator
GND
Figure 2. Ultra-Low-Noise Adjustable Regulator
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Supply Input Voltage
Enable Input Voltage
Power Dissipation (Note 3)
Junction Temperature
Lead Temperature (soldering, 5 seconds)
Storage Temperature
SYMBOL
V
IN
V
EN
P
D
T
J
T
LEAD
T
S
RATINGS
-20 ~ + 20
-20 ~ +20
Internally Limited
-40 ~ +125
260
-60 ~ +150
UNITS
V
V
W
°C
°C
°C
OPERATING RATINGS
PARAMETER
Supply Input Voltage
Enable Input Voltage
Junction Temperature
Thermal Resistance
SYMBOL
V
IN
V
EN
T
J
q
JA
RATINGS
+2.5 to +16
0 to V
IN
-40 ~ + 125
(Note 3)
UNITS
V
V
°C
°C/ W
GM6155
3
GAMMA [ GAMMA MICROELECTRONICS INC. ]
