Datasheet

LT3055
13
3055f
For more information www.linear.com/LT3055
BLOCK DIAGRAM
+
–
+
–
+
–
IN
R1
D1
QI
MIN
1/2000
QI
MON
1/500
QI
MAX
1/500
QPOWER
1
I
MAX
I
MIN
FAULT1
I
MON
QFAULT1
I
MIN
THERMAL LIMIT
THERMAL LIMIT
CURRENT LIMITS
PWRGD
U1
FAULT2
QFAULT2
QPWRGD
3055 F02
540mV
REFERENCE
U2
GND
REF/BYP
SHDN
ADJ
30k
R4
IDEAL
DIODE
D3
Q2
D2
ERROR
AMPLIFIER
THERMAL/
CURRENT LIMITS
CURRENT
LIMIT
AMPLIFIER
100k
R3
I
MIN
COMPARATOR
100k
R2
600mV
REFERENCE
OUT
+
–
+
–
Q3
+
–
Figure 2