RT8800A 데이터 시트보기 (PDF) - Richtek Technology
부품명
상세내역
제조사
RT8800A Datasheet PDF : 21 Pages
| |||
RT8800A
Absolute Maximum Ratings (Note 1)
z Supply Voltage, VDD ------------------------------------------------------------------------------------------- 7V
z Input, Output or I/O Voltage ---------------------------------------------------------------------------------- GND − 0.3V to VDD+ 0.3V
z Power Dissipation, PD @ TA = 25°C
VQFN-16L 3x3 -------------------------------------------------------------------------------------------------- 1.47W
z Package Thermal Resistance (Note 4)
VQFN-16L 3x3, θJA --------------------------------------------------------------------------------------------- 68°C/W
z Junction Temperature ------------------------------------------------------------------------------------------ 150°C
z Lead Temperature (Soldering, 10 sec.) -------------------------------------------------------------------- 260°C
z Storage Temperature Range --------------------------------------------------------------------------------- −65°C to 150°C
z ESD Susceptibility (Note 2)
HBM (Human Body Mode) ----------------------------------------------------------------------------------- 2kV
MM (Machine Mode) ------------------------------------------------------------------------------------------- 200V
Recommended Operating Conditions (Note 3)
z Supply Voltage, VDD ------------------------------------------------------------------------------------------- 5V ± 10%
z Ambient Temperature Range --------------------------------------------------------------------------------- 0°C to 70°C
z Junction Temperature Range --------------------------------------------------------------------------------- 0°C to 125°C
Electrical Characteristics
(VDD = 5V, TA = 25°C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
VDD Supply Current
Nominal Supply Current
Power-On Reset
IDD
PWM 1,2,3 Open
--
Rising
4.0
VDD Threshold
Hysteresis
0.2
DVD Rising Threshold
0.75
DVD Hysteresis
--
Oscillator
Free Running Frequency
fOSC
RRT = 16kΩ
170
Frequency Adjustable Range
fOSC_ADJ
50
Ramp Amplitude
ΔVOSC
RRT = 16kΩ
--
Ramp Valley
VRV
--
Maximum On-Time of Each Channel
62
RT Pin Voltage
Reference Voltage
VRT
RRT = 16kΩ
0.77
IMAX Reference Voltage
VID125 Reference Voltage
VIMAX
VVID125
RIMAX = 16kΩ
RVID125 = 16kΩ
0.75
0.75
All brand name or trademark belong to their owner respectively
DS8800A-04 August 2007
Typ Max Units
5
--
mA
4.2 4.5
V
0.5 --
V
0.8 0.85 V
65
--
mV
200 230 kHz
-- 400 kHz
1.7 --
V
1.0 --
V
66 75
%
0.82 0.87 V
0.8 0.85 V
0.8 0.85 V
To be continued
www.richtek.com
5
Share Link: 