LTC6992-4 Linear Technology, LTC6992-4 Datasheet - Page 32

• Manufacturer Part Number: LTC6992-4
• Description: TimerBlox Voltage-Controlled Pulse Width Modulator (PWM)
• Manufacturer: Linear Technology

LTC6992-1/LTC6992-2/
LTC6992-3/LTC6992-4
TYPICAL APPLICATION
RELATED PARTS
PART NUMBER
LTC1799
LTC6900
LTC6906/LTC6907
LTC6990
LTC6991
LTC6993-1
LTC6993-2
LTC6994-1
LTC6994-2
32
ANALOG PWM
DUTY CYCLE
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
(0V TO 1V)
CONTROL
DESCRIPTION
1MHz to 33MHz ThinSOT Silicon Oscillator
1MHz to 20MHz ThinSOT Silicon Oscillator
10kHz to 1MHz or 40kHz ThinSOT Silicon Oscillator
TimerBlox, Voltage Controlled Oscillator
TimerBlox, Very Low Frequency Clock with Reset
TimerBlox, Monostable Pulse Generator
TimerBlox, Retriggerable Monostable Pulse Generator
TimerBlox, Delay Block, First Edge Only Delayed
TimerBlox, Delay Block/Debouncer, Both Edges Delayed
102k
●
C1: KEMET C0806C225K4RAC
C2: KEMET C1206C475K3RAC
C3, C4: MURATA GRM21BR71H104KA01B
C5: MURATA GRM21BR71H224KA01B
D1: DIODE DFL5160
L1: TOKO B992A5-6RBN
LEDS: LUXEON I (WHITE)
M1: ZETEX ZXMP6A13FTA
MOD
GND
SET
FAX: [phone]
LTC6992-1
OUT
DIV
V
+
5V
●
5V TO 16V
www.linear.com
LED Driver with 5000:1 Dimming Range
V
IN
1M
681k
C1
2.2μF
0.1pF
C4
PWM
TGEN
V
CTRL
SYNC
SHDN V
V
COMMENTS
Wide Frequency Range
Low Power, Wide Frequency Range
Micropower, I
Frequency from 488Hz to 1MHz, No Caps, 2% Accurate
Cycle Time from 2ms to 9.5 Hours, No Caps, 2% Accurate
Resistor Set Pulse Width from 1μs to 2ms, No Caps, 2% Accurate
Resistor Set Pulse Width from 1μs to 2ms, No Caps, 2% Accurate
Resistor Set Delay from 1μs to 2ms, No Caps, 2% Accurate
Resistor Set Delay from 1μs to 2ms, No Capacitors Required,
2% Accurate
REF
C
2MHz
6.04k
R
T
R
IN
T
LT3517
LT3517
0.1pF
6.8μH
C3
L1
SUPPLY
SS
GND
SW
ISP
ISN
TG
FB
= 35μA at 400kHz
D1
R1
3.92M
R2
124k
© LINEAR TECHNOLOGY CORPORATION 2010
R
330mΩ
300mA
SENSE
www.DataSheet4U.com
C2
4.7μF
LT 0510 • PRINTED IN USA
C1
0.22μF
6992 TA14
69921234p