KA2822CD 查看數據表（PDF） - Fairchild Semiconductor
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KA2822CD Datasheet PDF : 14 Pages
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KA2822CD
Internal Block Diagram
VCC
16
CURRENT CURRENT
DETECTION2 DETECTION1
17
26
U INPUT (+) 19
U INPUT(−) 18
V INPUT (+) 24
V INPUT(−) 25
AGC 2
HALL BIAS 27
CE 7
FG INPUT(+) 28
FG INPUT(−) 1
FG OUTPUT 10
FG ZERO 9
CROSS
VOLTAGE REG. 4
INDEX BURST 5
OSC INPUT 13
+
U_AMP
−
+
V_AMP
−
AGC
Output
Control
Start-up
CE
1.3V
FG_AMP
+
−
Hall
Zero-cross
FG
Zero-cross
U_OUT
V_OUT
W_OUT
23 U PHASE
OUTPUT
22 V PHASE
OUTPUT
21 W PHASE
OUTPUT
TSD
CON_AMP
−
+
−
+
BUF_AMP
0.24V
15 PHASE
COMPENSATION
0.69V
Timing
Detector
Burst_time
Circuit
2.2V
OSC
Rpm_select
11_divider
Speed
Control
Pulse_width
Adjustment
Charge
Pump
6 INDEX
OUTPUT
3 INDEX PULSE
WIDTH
12 CHARGE
PUMP
OUTPUT
14
11
8
20
NC
RPM
SIGNAL
FIN
NC
SELECT
GROUND
4
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