LTC1699EGN-82 データシートの表示（PDF） - Linear Technology
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LTC1699EGN-82 Datasheet PDF : 20 Pages
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FU CTIO AL BLOCK DIAGRA
LTC1699 Series
SDA
SMBus
SCL
INTERFACE
5
VCC
POWER-ON
RESET
REGISTER 1
5
5
REGISTER 0
5
SEL
MUX/DECODER
LATCH
CONTROL
3
REGISTER
CONTROL
LOGIC
SETUP
READ-
BACK
COMMAND
LATCH
AND
DECODER
ON/OFF ON
STATE
MACHINE OFF
DCON
SENSE
R1*
5
FB
R2
GND
SMBON
50µs
TIMER
2.5µA
VRON
PGOOD
*LTC1699-80, R1 = 10k
LTC1699-81, R1 = 20k
LTC1699-82, R1 = 10k
CONVERTER
CONTROL
LOGIC
CPU_ON
IO_ON
CLK_ON
1699 FBD
TEST CIRCUIT
5V
VCC
SCL SCL
SDA SDA
SEL SEL
5V
CPU_ON OR
IO_ON OR
CLK_ON OR
PGOOD
10k S1
S2
0.8V +
0.1µF
100pF
VRON VRON
FB
–
GND
SENSE
1699 F01
Figure 1. Load for Timing Tests
7
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