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參數資料
| 型號： | L6598D |
| 廠商： | 意法半導體 |
| 英文描述： | HIGH VOLTAGE RESONANT CONTROLLER |
| 中文描述： | 高壓諧振控制器 |
| 文件頁數： | 1/16頁 |
| 文件大小： | 114K |
| 代理商： | L6598D |
1/16
L6598
February 2000
I
HIGH VOLTAGE RAIL UP TO 600V
I
dV/dt IMMUNITY
±
50V/ns IN FULL
TEMPERATURE RANGE
I
DRIVER CURRENT CAPABILITY:
250mA SOURCE
450mA SINK
I
SWITCHING TIMES 80/40ns RISE/FALL WITH
1nF LOAD
I
CMOS SHUT DOWN INPUT
I
UNDER VOLTAGE LOCK OUT
I
SOFT START FREQUENCY SHIFTING
TIMING
I
SENSE OP AMP FOR CLOSED LOOP
CONTROL OR PROTECTION FEATURES
I
HIGH ACCURACY CURRENT CONTROLLED
OSCILLATOR
I
INTEGRATED BOOTSTRAP DIODE
I
CLAMPING ON Vs
I
SO16, DIP16 PACKAGES
DESCRIPTION
The L6598 is manufactured with the BCD OFF LINE
technology, able to ensure voltage ratings up to
600V, making it perfectly suited for AC/DC Adapters
and wherever a Resonant Topology can be benefi-
cial. The device is intended to drive two Power MOS,
in the classical Half Bridge Topology. A dedicated
Timing Section allows the designer to set Soft Start
Time, Soft Start and Minimum Frequency. An Error
Amplifier, together with the two Enable inputs, are
made available. In addition, the integrated Bootstrap
Diode and the Zener Clamping on low voltage sup-
ply, reduces to a minimum the external parts needed
in the applications.
DIP16
SO16N
ORDERING NUMBERS:
L6598
L6598D
HIGH VOLTAGE RESONANT CONTROLLER
BLOCK DIAGRAM
GND
V
REF
Ifmin
Rfmin
VCO
EN1
Vthe1
Vthe2
EN2
V
S
12
V
BOOT
OUT
C
BOOT
LOAD
H.V.
LVG
UV
DETECTION
Vs
HVG
BOOTSTRAP
DRIVER
HVG
DRIVER
LVG DRIVER
Css
V
REF
Ifstart
Rfstart
Cf
OP
AMP
+
-
OPOUT
OPIN-
OPIN+
DEAD
TIME
DRIVING
LOGIC
CONTROL
LOGIC
Iss
+
-
+
-
LEVEL
SHIFTER
D98IN887A
5
6
7
4
2
3
1
9
8
10
11
14
15
16
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