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Part Name
Description
LTC2970-1 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
LTC2970-1
Dual I2C Power Supply Monitor and Margining Controller
Linear Technology
'LTC2970-1' PDF : 36 Pages
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BLOCK DIAGRA
12V
IN
10
V
DD
9
GND 25
2R
R
5V REGULATOR
V
IN
V
OUT
12V
P
12V
M
V
DDP
V
DDM
V
DD
V
DD
TEMP
SENSOR
V
IN0_AP
1
V
IN0_AM
2
V
IN0_BP
3
V
IN0_BM
4
V
IN1_AP
5
V
IN1_AM
6
V
IN1_BP
7
V
IN1_BM
8
REF 23
RGND 24
TSNSP
TSNSM
CH0_AP
CH0_AM
CH0_BP
CH0_BM
CH1_AP
CH1_AM
CH1_BP
CH1_BM
7:1 MUX
SCL 18
SDA 19
ASEL0 22
ASEL1 21
I
2
C BUS INTERFACE
(400kHz, SMBUS COMPATIBLE)
POR
UVLO
+
14-BIT
DELTA-SIGMA
–
A/D
6.65X
(TYP)
ADC
CLOCKS
3.5k
V
DD
REFERENCE
1.229V (TYP)
20
Ω
POR
OSCILLATOR
CLOCK
GENERATION
GPIO_0 16
SERVO CONTROLLER
GPIO_1 15
DAC SOFT CONNECT FUNCTION
SERVO FUNCTION
ALERT 17
MONITOR FUNCTION
MANAGE FAULT REPORTING
7
WATCH DOG
2
GPIO_CFG 20
TRACKING CONTROL (LT2970-1)
POR
LTC2970/LTC2970-1
IDAC0
8 BITS
+
VBUF0
–
0
μ
A TO 255
μ
A
+
CMP0
–
14 I
OUT0
11 V
OUT0
IDAC1
8 BITS
+
VBUF1
–
0
μ
A TO 255
μ
A
+
CMP1
–
RAM
ADC_Results
MONITOR LIMITS
SERVO TARGETS
18
REGISTERS
I/O CONFIGURATION
IDAC0
IDAC1
ADC MONITOR
FAULT ENABLE
INSTANTANEOUS FAULTS
LATCHED FAULTS
13 I
OUT1
12 V
OUT1
29701 BD
29701fc
11
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