
29
PRS-500
IC1605 LT1931ES5#TR
–
+
–
+
LATCH
R
Q
S
0.01
Ω
DRIVER
COMPARATOR
SHDN
–
+
S
RAMP
GENERATOR
R C
CC
1.2MHz
OSCILLATOR
GND
R6
80k
R4
150k
R3
30k
Q2
x10
Q1
Q3
R5
80k
VIN
V
IN
CPL
(OPTIONAL)
R2
(EXTERNAL)
R1
(EXTERNAL)
VOUT
NFB
A2
A1
gm
2
NFB
3
5
4
SW
1
A
5
INH
2
VEE
3
GND
4
LOGIC LEVEL
CONVERTER
C
OUT
IN
C
OUT
IN
1
COM
7
CH0
8
VCC
6
CH1
A0
7
VCC
OS
8
3
SDA 1
SCL
GND
2
4
Two-Wire Interface
A1
6
A2
5
Silicon
Bandgap
Temperature
Sensor
Pointer
Resister
10-Bit
Digital
Decimation
Filter
1-Bit
D/A
9-Bit Delta-Sigma Analog-to-Digital
Converter
Temperature
Threshold
Set Point
Comparator
Configuration
Resister
T Set Point
Resister
T Set Point
Resister
HYST
OS
Reset
Σ
IC1606 TC7W53FK (TE85R)
IC1615 LM75CIMMX-3 NOPB
– MAIN Board –