Typical VSET Distrib" />
參數(shù)資料
型號(hào)： DC1562A-L
廠商： Linear Technology
文件頁數(shù)： 24/26頁
文件大?。?/td> 0K
描述： BOARD EVAL LTC6994-2
設(shè)計(jì)資源： DC1562A Design Files
DC1562A Schematic
特色產(chǎn)品： TimerBlox?
標(biāo)準(zhǔn)包裝： 1
系列： TimerBlox®
主要目的： 定時(shí)，延遲線路
嵌入式： 否
已用 IC / 零件： LTC6994-2
主要屬性： 100ms 下降沿與上升沿延遲
次要屬性： 2.25 V ~ 5.5 V 電源
已供物品： 板
LTC6994-1/LTC6994-2
7
699412fb
Typical perForMance characTerisTics
Typical VSET Distribution
V+ = 3.3V, RSET = 200k and TA = 25°C unless otherwise noted.
VSET (V)
0.98
0
100
50
150
200
250
0.996
1.004
1.012
1.02
0.988
699412 G19
NUMBER
OF
UNITS
2 LOTS
DFN AND SOT-23
1274 UNITS
Supply Current vs Temperature
Supply Current vs Supply Voltage
Supply Current vs IN Pin Voltage
Supply Current vs tDELAY (5V)
Supply Current vs tDELAY (2.5V)
tDELAY (ms)
50
POWER
SUPPL
YCURRENT
(A)
100
150
200
250
0.001
0.1
1
100
699412 G23
0
0.01
10
ACTIVE
IDLE
V+ = 5V
CLOAD = 5pF
RLOAD = ∞
ACTIVE CURRENT MEASURED
USING LTC6994-1 WITH
fIN = 1/(2 tDELAY)
÷1
÷8
tDELAY (ms)
50
POWER
SUPPL
YCURRENT
(A)
100
150
200
250
0.001
0.1
1
100
699412 G24
0
0.01
10
ACTIVE
IDLE
V+ = 2.5V
CLOAD = 5pF
RLOAD = ∞
÷1
÷8
ACTIVE CURRENT MEASURED
USING LTC6994-1 WITH
fIN = 1/(2 tDELAY)
SUPPLY VOLTAGE (V)
2
0
POWER
SUPPL
YCURRENT
(A)
50
100
150
200
250
300
3
4
5
6
699412 G20
LTC6994-1
IS(ACTIVE) MEASURED
WITH fIN = 1/(2 tDELAY)
RSET = 50k,
÷1, ACTIVE
RSET = 100k, ÷8, ACTIVE
RSET = 100k, ÷8, IDLE
RSET = 800k, ÷512
RSET = 50k,
÷1, IDLE
CLOAD = 5pF
RLOAD = ∞
TEMPERATURE (°C)
–50 –25
0
POWER
SUPPL
YCURRENT
(A)
50
100
150
200
250
0
25
50
75
100 125
699412 G21
RSET = 100k, ÷8, ACTIVE
RSET = 50k, ÷1, ACTIVE
RSET = 100k, ÷8, IDLE
RSET = 50k, ÷1, IDLE
RSET = 800k, ÷512
LTC6994-1
IS(ACTIVE) MEASURED
WITH fIN = 1/(2 tDELAY)
CLOAD = 5pF
RLOAD = ∞
VIN/V+ (V/V)
0
POWER
SUPPL
YCURRENT
(A)
150
200
250
0.8
699412 G22
100
50
0
0.2
0.4
0.6
1.0
5V
IN FALLING
5V
IN RISING
3.3V
IN RISING
3.3V
IN FALLING
CLOAD = 5pF
RLOAD = ∞
Peak-to-Peak Jitter vs tDELAY
IN Threshold Voltage
vs Supply Voltage
Typical ISET Current Limit vs V+
SUPPLY VOLTAGE (V)
IN
PIN
VOL
TAGE
(V)
699412 G25
3.5
1.0
2.0
3.0
0.5
1.5
2.5
0
2
4
3
5
6
POSITIVE GOING
NEGATIVE GOING
tDELAY (ms)
0.4
JIT
TER
(%
P-P
) 0.8
1.2
0.2
0.6
1.0
0.001
0.1
1
10
100
699412 G26
0
0.01
÷1, 5.5V
÷8, 5.5V
÷1, 2.25V
÷8, 2.25V
÷64
÷512
÷4096
PEAK-TO-PEAK
tDELAY VARIATION
MEASURED OVER
30s INTERVALS
SUPPLY VOLTAGE (V)
I SET
(A)
699412 G27
1000
400
800
200
600
0
2
4
3
5
6
SET PIN SHORTED TO GND
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