參數(shù)資料
型號: LTC6992HDCB-1#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 0.02 A SWITCHING CONTROLLER, PDSO6
封裝: 2 X 3 MM, LEAD FREE, PLASTIC, MO-229, DFN-6
文件頁數(shù): 29/34頁
文件大?。?/td> 2577K
代理商: LTC6992HDCB-1#TRPBF
LTC6992-1/LTC6992-2/
LTC6992-3/LTC6992-4
4
69921234fb
The
l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. Test conditions are V+ = 2.25V to 5.5V, VMOD = 0V to VSET,
DIVCODE = 0 to 15 (NDIV = 1 to 16,384), RSET = 50k to 800k, RLOAD = 5k, CLOAD = 5pF unless otherwise noted.
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
IS
Supply Current
RL = ∞, RSET = 50k,
NDIV = 1
V+ = 5.5V
l
365
450
μA
V+ = 2.25V
l
225
285
μA
RL = ∞, RSET = 50k,
NDIV = 4
V+ = 5.5V
l
350
420
μA
V+ = 2.25V
l
225
280
μA
RL = ∞, RSET = 50k,
NDIV ≥ 16
V+ = 5.5V
l
325
390
μA
V+ = 2.25V
l
215
265
μA
RL = ∞, RSET = 800k,
NDIV = 1 to 16,384
V+ = 5.5V
l
120
170
μA
V+ = 2.25V
l
105
150
μA
Analog Inputs
VSET
Voltage at SET Pin
l
0.97
1.00
1.03
V
ΔVSET/ΔT
VSET Drift Over Temperature
l
±75
μV/°C
RSET
Frequency-Setting Resistor
l
50
800
MOD Pin Input Capacitance
2.5
pF
MOD Pin Input Current
l
±10
nA
VMOD,HI
VMOD Voltage for Maximum
Duty Cycle
LTC6992-1/LTC6992-4, POL = 0, D = 100%
LTC6992-2/LTC6992-3, POL = 0, D = 95%
l
0.90 VSET
0.86 VSET
0.936VSET
V
VMOD,LO
VMOD Voltage for Minimum
Duty Cycle
LTC6992-1/LTC6992-3, POL = 0, D = 0%
LTC6992-2/LTC6992-4, POL = 0, D = 5%
l 0.064VSET 0.10VSET
0.14 VSET
V
VDIV
DIV Pin Voltage
l
0V+
V
ΔVDIV/ΔV+
DIV Pin Valid Code Range (Note 5)
Deviation from Ideal
VDIV/V+ = (DIVCODE + 0.5)/16
l
±1.5
%
DIV Pin Input Current
l
±10nA
Digital Output
IOUT(MAX)
Output Current
V+ = 2.7V to 5.5V
±20
mA
VOH
High Level Output Voltage (Note 7)
V+ = 5.5V
IOUT = –1mA
IOUT = –16mA
l
5.45
4.84
5.48
5.15
V
V+ = 3.3V
IOUT = –1mA
IOUT = –10mA
l
3.24
2.75
3.27
2.99
V
V+ = 2.25V
IOUT = –1mA
IOUT = -8mA
l
2.17
1.58
2.21
1.88
V
VOL
Low Level Output Voltage (Note 7)
V+ = 5.5V
IOUT = 1mA
IOUT = 16mA
l
0.02
0.26
0.04
0.54
V
V+ = 3.3V
IOUT = 1mA
IOUT = 10mA
l
0.03
0.22
0.05
0.46
V
V+ = 2.25V
IOUT = 1mA
IOUT = 8mA
l
0.03
0.26
0.07
0.54
V
tr
Output Rise Time (Note 8)
V+ = 5.5V, RLOAD = ∞
V+ = 3.3V, RLOAD = ∞
V+ = 2.25V, RLOAD = ∞
1.1
1.7
2.7
ns
tf
Output Fall Time (Note 8)
V+ = 5.5V, RLOAD = ∞
V+ = 3.3V, RLOAD = ∞
V+ = 2.25V, RLOAD = ∞
1.0
1.6
2.4
ns
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