參數資料
型號: SG3845Y
廠商: MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP
元件分類: 穩(wěn)壓器
英文描述: CURRENT MODE PWM CONTROLLER
中文描述: 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, CDIP8
封裝: HERMETIC SEALED, CERAMIC, DIP-8
文件頁數: 6/12頁
文件大小: 216K
代理商: SG3845Y
C
U R R E N T
-M
O D E
PWM C
O N T R O L L E R
SG1844/SG1845 Series
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7
Copyright 2000
Rev. 1.4 4/00
6
P
R O D U C T I O N
D
A T A
S
H E E T
GRAPH / CURVE INDEX
Characteristic Curves
FIGURE #
1.
2.
3.
4.
5.
6.
7.
8.
9.
DROPOUT VOLTAGE vs. TEMPERATURE
OSCILLATOR TEMPERATURE STABILITY
CURRENT SENSE TO OUTPUT DELAY vs. TEMPERATURE
START-UP CURRENT vs. TEMPERATURE
REFERENCE VOLTAGE vs. TEMPERATURE
START-UP VOLTAGE THRESHOLD vs. TEMPERATURE
START-UP VOLTAGE THRESHOLD vs. TEMPERATURE
OSCILLATOR DISCHARGE CURRENT vs. TEMPERATURE
OUTPUT SATURATION VOLTAGE vs. OUTPUT CURRENT AND
TEMPERATURE (SINK TRANSISTOR)
10.
CURRENT SENSE THRESHOLD vs. ERROR AMPLIFIER OUTPUT
11.
OUTPUT SATURATION VOLTAGE vs. OUTPUT CURRENT AND
TEMPERATURE (SOURCE TRANSISTOR)
FIGURE INDEX
Application Information
FIGURE #
12.
OSCILLATOR TIMING CIRCUIT
13.
OSCILLATOR FREQUENCY vs. R
T
FOR VARIOUS C
T
Typical Applications Section
FIGURE #
14.
CURRENT SENSE SPIKE SUPPRESSION
15.
MOSFET PARASITIC OSCILLATIONS
16.
BIPOLAR TRANSISTOR DRIVE
17.
ISOLATED MOSFET DRIVE
18.
ADJUSTABLE BUFFERED REDUCTION OF CLAMP LEVEL WITH
SOFTSTART
19.
EXTERNAL DUTY CYCLE CLAMP AND MULTI-UNIT
SYNCHRONIZATION
20.
OSCILLATOR CONNECTION
21.
ERROR AMPLIFIER CONNECTION
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