iT6801 Datasheet PDF - inerhy
Part Number | iT6801 | |
Description | SELF-OSCILLATING HALF-BRIDGE DRIVER | |
Manufacturers | inerhy | |
Logo | ||
There is a preview and iT6801 download ( pdf file ) link at the bottom of this page. Total 9 Pages |
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SELF-OSCILLATING HALF-BRIDGE DRIVER
1. Description
2. Features
iT6801 is a half-bridge driver with programmable
oscillator within a SOP-8L package to drive both
lower MOSFET and floating upper MOSFET. It is
suitable for electronic ballast of fluorescent lamp.
It is equipped with internal clamp of 17.2 V zener
diode, so the VCC voltage is easily regulated. For
proper operation assurance and low power start-
up, it is designed with internal under voltage
lockout (UVLO), so it takes little current for supply
capacitor voltage to builds up. Oscillator frequency
is controlled by the current drawn out from RT,
which acts as minimum base frequency. The
same current is duplicated internally to double
base frequency for preheat.
z Built in preheat function
z Lamp open or End-Of-Life detection
z Micro power start-up
z Integrated 600 V half-bridge gate driver
z Increased under-voltage lockout Hysteresis
z Lower power level-shifting circuit
z Constant LO, HO pulse widths at startup
z Lower di / dt gate driver for better noise
immunity
z Excellent latch immunity on all inputs and
outputs
3. Applications
z Electronic Ballast
4. Pin Assignments
5. Marking Information
Product Name
iT6801
1 VCC
VB 8
2 FB
HO 7
3 RT
VS 6
4 COM
LO 5
SOP-8L
Marking
iT6801
XXXXX
X : Date Code
1
Version 1.0
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iT6801
11. Static Electrical Characteristics (cont.)
Symbol
Definition
Gate Driver Output Characteristics
VOH High-level output voltage, VBIAS - VO
VOL Low-level output voltage, VO
VOLUV UV-mode output voltage, VO
tr Output rise time
tf Output fall time
tsd Shutdown propagation delay
td Output dead-time
IO+ Output source current
IO- Output sink current
Min Typ Max Units Conditions
- 0 100
- 0 100 mV
IO = 0 A
- 0 100
IO = 0 A ,
VCC ≦ VCCUV-
- 200 -
- 100 - ns
- 400 -
- 1.8 -
VCC = 15 V
μs CLO = CHO = 1 nF
- 220 -
mA
- 300 -
12. Application Circuit
5
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for iT6801 electronic component. |
Information | Total 9 Pages | |
Link URL | [ Copy URL to Clipboard ] | |
Download | [ iT6801.PDF Datasheet ] |
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