參數(shù)資料
型號(hào): MC34166D2T
廠商: ON SEMICONDUCTOR
元件分類(lèi): 穩(wěn)壓器
英文描述: RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
中文描述: 6 A SWITCHING REGULATOR, 81 kHz SWITCHING FREQ-MAX, PSSO5
封裝: D2 PAK, 5 PIN
文件頁(yè)數(shù): 14/20頁(yè)
文件大小: 239K
代理商: MC34166D2T
MC34166, MC33166
http://onsemi.com
14
V
O
+36 V/0.25 A
D
1
L
R
1
MUR415
Z
1
22
0.01
1N5822
MTP
3055E
2N3906
R
1
36 k
R
2
5.1 k
+
1000
VO
R1
R2
4
2
1
5
3
+
0.22
470 k
EA
Reference
Thermal
Oscillator
S
R
Q
PWM
UVLO
ILIMIT
Q
1
*Gate resistor R
G
, zener diode D
3
, and diode D
4
are required only when V
in
is greater than 20 V.
V
in
-12 V
1000
+
0.002
5.05
0.7
+
+
Test
Conditions
Results
Line Regulation
V
in
= –10 V to – 20 V, I
O
= 0.25 A
250 mV =
±
0.35%
Load Regulation
V
in
= –12 V, I
O
= 0.025 A to 0.25 A
790 mV =
±
1.19%
Output Ripple
V
in
= –12 V, I
O
= 0.25 A
80 mV
pp
Efficiency
V
in
= –12 V, I
O
= 0.25 A
79.2%
L = Coilcraft M1496–A or ELMACO CHK1050, 42 turns of #16 AWG on Magnetics Inc.
58350–A2 core.
Heatsink = AAVID Engineering Inc. 5903B or 5930B
Figure 26. Negative Input/Positive Output Regulator
47
+
50 k
Faster
Brush
Motor
4
2
1
5
3
+
EA
Reference
Thermal
Oscillator
S
R
Q
PWM
UVLO
ILIMIT
V
in
18 V
1000
5.6 k
56 k
0.1
1N5822
+
1.0 k
+
+
Test
Conditions
Results
Low Speed Line Regulation
V
in
= 12 V to 24 V
1760 RPM
±
1%
High Speed Line Regulation
V
in
= 12 V to 24 V
3260 RPM
±
6%
Figure 27. Variable Motor Speed Control with EMF Feedback Sensing
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