ltc1699ems8-82-trpbf Linear Technology Corporation, ltc1699ems8-82-trpbf Datasheet - Page 7

• Manufacturer Part Number: ltc1699ems8-82-trpbf
• Description: Smbus Vid Voltage Programmers
• Manufacturer: Linear Technology Corporation

FU CTIO AL BLOCK DIAGRA
TEST CIRCUIT
U
U
SENSE
GND
SDA
SCL
V
SEL
FB
CC
*
LTC1699-80, R1 = 10k
LTC1699-81, R1 = 20k
LTC1699-82, R1 = 10k
POWER-ON
RESET
R1*
R2
VRON
REGISTER 1
SDA
SCL
SEL
5V
5
5
MUX/DECODER
V
SCL
SDA
SEL
VRON
GND
CC
Figure 1. Load for Timing Tests
W
5
CPU_ON OR
REGISTER 0
CLK_ON OR
IO_ON OR
PGOOD
SENSE
5
5
FB
INTERFACE
SMBus
0.8V
5V
10k
CONVERTER
REGISTER
CONTROL
MACHINE
CONTROL
ON/OFF
TIMER
LOGIC
STATE
LOGIC
50 s
+
–
S1
S2
LATCH
CONTROL
SMBON
SETUP
READ-
BACK
ON
OFF
1699 F01
100pF
0.1 F
COMMAND
DECODER
LATCH
AND
3
LTC1699 Series
DCON
2.5 A
VRON
PGOOD
CPU_ON
IO_ON
CLK_ON
1699 FBD
7