ltc6992-2-ltc6992-3 Linear Technology Corporation, ltc6992-2-ltc6992-3 Datasheet - Page 4

• Manufacturer Part Number: ltc6992-2-ltc6992-3
• Description: Timerblox Voltage-controlled Pulse Width Modulator Pwm
• Manufacturer: Linear Technology Corporation

LTC6992-1/LTC6992-2/
LTC6992-3/LTC6992-4
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
DIVCODE = 0 to 15 (N
SYMBOL
I
Analog Inputs
V
ΔV
R
V
V
V
ΔV
Digital Output
I
V
V
t
t
4
S
OUT(MAX)
r
f
SET
MOD,HI
MOD,LO
DIV
OH
OL
SET
SET
DIV
/ΔV
/ΔT
+
PARAMETER
Supply Current
Voltage at SET Pin
V
Frequency-Setting Resistor
MOD Pin Input Capacitance
MOD Pin Input Current
V
Duty Cycle
V
Duty Cycle
DIV Pin Voltage
DIV Pin Valid Code Range (Note 5)
DIV Pin Input Current
Output Current
High Level Output Voltage (Note 7)
Low Level Output Voltage (Note 7)
Output Rise Time (Note 8)
Output Fall Time (Note 8)
SET
MOD
MOD
Drift Over Temperature
Voltage for Maximum
Voltage for Minimum
DIV
= 1 to 16,384), R
SET
= 50k to 800k, R
CONDITIONS
R
N
R
N
R
N
R
N
LTC6992-1/LTC6992-4, POL = 0, D = 100%
LTC6992-2/LTC6992-3, POL = 0, D = 95%
LTC6992-1/LTC6992-3, POL = 0, D = 0%
LTC6992-2/LTC6992-4, POL = 0, D = 5%
Deviation from Ideal
V
V
V
V
V
V
V
V
V
V
V
V
V
V
L
DIV
L
DIV
L
DIV
L
DIV
DIV
+
+
+
+
+
+
+
+
+
+
+
+
+
= ∞, R
= ∞, R
= ∞, R
= ∞, R
= 2.7V to 5.5V
= 5.5V
= 3.3V
= 2.25V
= 5.5V
= 3.3V
= 2.25V
= 5.5V, R
= 3.3V, R
= 2.25V, R
= 5.5V, R
= 3.3V, R
= 2.25V, R
/V
= 1
= 4
≥ 16
= 1 to 16,384
+
A
= (DIVCODE + 0.5)/16
SET
SET
SET
SET
= 25°C. Test conditions are V
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
= 50k,
= 50k,
= 50k,
= 800k,
The
= ∞
= ∞
= ∞
= ∞
LOAD
= ∞
= ∞
l
I
I
I
I
I
I
I
I
I
I
I
I
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
denotes the specifications which apply over the full operating
= 5k, C
= –1mA
= –16mA
= –1mA
= –10mA
= –1mA
= -8mA
= 1mA
= 16mA
= 1mA
= 10mA
= 1mA
= 8mA
V
V
V
V
V
V
V
V
+
+
+
+
+
+
+
+
LOAD
= 5.5V
= 2.25V
= 5.5V
= 2.25V
= 5.5V
= 2.25V
= 5.5V
= 2.25V
= 5pF unless otherwise noted.
+
= 2.25V to 5.5V, V
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
0.064 • V
0.97
5.45
4.84
3.24
2.75
2.17
1.58
MIN
50
0
SET
0.90 • V
0.86 • V
0.10 • V
0.14 • V
MOD
1.00
5.48
5.15
3.27
2.99
2.21
1.88
0.02
0.26
0.03
0.22
0.03
0.26
TYP
365
225
350
225
325
215
120
105
±75
±20
2.5
1.1
1.7
2.7
1.0
1.6
2.4
= 0V to V
SET
SET
SET
SET
0.936•V
±10nA
SET
MAX
1.03
±1.5
0.04
0.54
0.05
0.46
0.07
0.54
450
285
420
280
390
265
170
150
800
±10
V
+
,
SET
69921234fb
UNITS
μV/°C
mA
kΩ
μA
μA
μA
μA
μA
μA
μA
μA
nA
pF
ns
ns
ns
ns
ns
ns
%
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V