MC34129D Freescale Semiconductor, MC34129D Datasheet - Page 14

• Manufacturer Part Number: MC34129D
• Description: IC CTLR CURRENT MODE 14-SOIC
• Manufacturer: Freescale Semiconductor

Specifications of MC34129D

• Applications: Telecommunications
• Current - Supply: 2.5mA
• Voltage - Supply: 4 V ~ 12 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 14-SOIC (3.9mm Width), 14-SOL
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: Q1707365A

128kHz
0.1
14
Sync
2
1
MOC5007
2.7k
6
5
Line Regulation 5.0 V
Load Regulation 5.0 V
Output Ripple 5.0 V
Efficiency
100pF
470pF
4
0.1
100
24k
10k
Test
12
4
7
6
5
2.5V
Freescale Semiconductor, Inc.
OSC
For More Information On This Product,
–
+
V in = 20 V to 40 V, I out 5.0 V = 380 mA, I out –5.0 V = 20 mA
V in = 30 V, I out 5.0 V = 100 mA to 380 mA, I out –5.0 V = 20 mA
V in = 30 V, I out 5.0 V = 380 mA, I out –5.0 V = 20 mA
V in = 30 V, I out 5.0 V = 380 mA, I out –5.0 V = 20 mA
Figure 29. Isolated 2.0 W Flyback Regulator
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MC34129 MC33129
R
S
Q
+
–
+
–
+
–
Conditions
–
+
1.25V
+
–
220k
8
9
13
14
10
11
1
2
3
MOTOROLA ANALOG IC DEVICE DATA
2N5551
2.2k
0.1
T1: Primary = 35T #32 AWG
1N5819
Feedback = 12T #32 AWG
Secondary 5 V = 7T #32 AWG
Gap = 0.004 , for Lp of 180 H
Core = Ferroxcube 813E187–3C8
Bobbin = Ferroxcube E187PCB1–8
+
1N5819
140k
20k
2
330
180
pF
150 mVpp
2N20
MTP
Results
= 1.0 mV
= 15 mV
73%
T1
1N5819
+
1N5819
100
100
100
V in = 20V to 48V
+
+
5V/380mA
–5V/20mA
Gnd