參數(shù)資料
型號: NCV33163
廠商: ON SEMICONDUCTOR
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
中文描述: 抗輻射高效,5安培開關(guān)穩(wěn)壓器
文件頁數(shù): 7/16頁
文件大小: 203K
代理商: NCV33163
NCV33163
http://onsemi.com
7
Feedback
Comparator
R
Q
S
LVI
1
+
+
+
Current
Limit
8
7
6
5
4
3
2
(Bottom View)
+
16
9
10
12
13
14
15
0.25 V
+
I
pk Sense
R
SC
V
CC
Timing Capacitor
Shutdown
C
T
R
DT
Gnd
Voltage Feedback 1
Voltage Feedback 2
LVI Output
1.125 V
15 k
1.25 V
+
+
45 k
Thermal
Oscillator
Latch
Q
2
60
2.0 mA
7.0 V
Bootstrap Input
Switch Emitter
Gnd
Switch Collector
Driver Collector
+
Sink Only
Positive True Logic
=
Figure 19. Representative Block Diagram
+
+
+
11
Q
1
Comparator Output
Timing Capacitor C
T
Oscillator Output
Output Switch
Output Voltage
Nominal Output
Voltage Level
1
0
1.25 V
0.55 V
1
0
On
Off
Figure 20. Typical Operating Waveforms
Startup
Quiescent Operation
9t
t
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