lt2940 Linear Technology Corporation, lt2940 Datasheet - Page 9

• Manufacturer Part Number: lt2940
• Description: Power And Current Monitor
• Manufacturer: Linear Technology Corporation

FUNCTIONAL BLOCK DIAGRAM
TEST CIRCUITS
12
6
8
7
3
9
PMON
IMON
Resistor on DC Bias
V
GND
V
V
CMP
LATCH
CC
+
–
OR
V
CC
+
THREE-STATE
AND UVLC
BGAP REF
DECODE
R
2940 TC01
2V
L
V
OUT
1.24V
UVLC
LATCHLO
LATCHHI
4-QUADRANT
MULTIPLIER
11
+
–
I
+
10
I
–
D
CLR
LE
PMON
Q
IMON
OR
G
K
IMON
PMON
+
–
+
–
= 1000
= 500
I-to-V Amplifi er
μA
V
4.99k
μA
R
V
2
FB
12V
Q1
2N2369
CMPOUT
CMPOUT
R
499Ω
2940 TC02
C
2V
PMON
IMON
2940 BD
V
5
4
1
2
OUT
LT2940
9
2940f