CTDD3120DF-2412-D1.5K-3 数据手册
DC/DC Converters
ctparts.com
SPECIFICATIONS
4:1 Wide Input Isolated & Regulated 3W Output, Dual Output
Not shown at actual size.
CTDD3120DF-D1.5K-3 Series
Part Number CTDD3120DF-2405-D1.5K-3 CTDD3120DF-2412-D1.5K-3 CTDD3120DF-2415-D1.5K-3 CTDD3120DF-4805-D1.5K-3 CTDD3120DF-4812-D1.5K-3 CTDD3120DF-4815-D1.5K-3
Vin Nom. (VDC) 24 24 24 48 48 48
Input Range (VDC) 9-36 9-36 9-36 18-72 18-72 18-72
Vin Max.* (VDC) 40 40 40 80 80 80
Vout (VDC) ±5 ±12 ±15 ±5 ±12 ±15
Iout Max. (mA) ±300 ±125 ±100 ±300 ±125 ±100
Iout Min. (mA) ±30 ±12 ±10 ±30 ±12 ±10
Effi. Typ. (%) 72 78 76 72 78 76
*If Input voltage above specified may cause permanent damage to the device
Compliant
RoHS
ISOLATION SPECIFICATIONS
Item Isolation Voltage Isolation Resistance Test Condition Flash tested for 1 minute Test at 500VDC MIN 1500 1000 TYP MAX Units VDC MΩ
OUTPUT SPECIFICATIONS
Item 3W Output Power Voltage accuracy Load regulation Line regulation Temperature drift (Vout) Ripple Noise Switching frequency Refer to Recommended Circuit From 10% to 100% load Input Voltage from low to high Refer to Temp. Derating Graph 20MHz Bandwidth 20MHz Bandwidth 100% load, nominal input voltage 50 Test Condition MIN 0.3 ±1 ±0.5 ±0.2 TYP MAX 3 ±3 ±1 ±0.5 ±0.03 50 150 300 (PFM) Units W % % % %/°C mVp-p mVp-p KHz
FEATURES
Efficiency: To 78% Temperature Range: -40°C to +85°C Isolation: 1.5KVDC Package: UL94-V0 Miscellaneous: Wide (4:1) Input Range. Dual Output. No heat sink required. Short Circuit Protection. Custom service available. Samples available.
Note: 1. All specifications measured at TA=25°C, humidity1,000,000 hours Miscellaneous: RoHS Compliant.
Output Power (%)
100 80 60 40 20 0 -40 0 120 40 71 85 Operating Temperature (°C)
Safe Operating Area
08.13.07
Technologies
Manufacturer of Passive and Discrete Semiconductor Components 800-684-5322 Inside US 949-453-1811 Outside US
Copyright © 2007 by CT Magnetics, DBA Central Technologies. All rights reserved. CT Magnetics reserves the right to make improvements or change specifications without notice
CENTRAL
DC/DC Converters
ctparts.com
CTDD3120DF-D1.5K-3 Series
4:1 Wide Input Isolated & Regulated 3W Output, Dual Output OUTLINE DIMENSIONS & RECOMMENDED FOOTPRINT DETAILS
CTDD3120DF-D1.5K-3 Package
Bottom View
Side View
31.80 0.50
9.45
2 15.24
3
9 10 11
20.30 23 22 16 15 14 2 x 2.54
2.54
4.00
22.86
Note: All pin diameter: 0.8 ± 0.05; Tolerances: ± 0.5
PIN CONNECTIONS
Bottom View
Pin 2, 3 10, 15 14 11 9, 16 22, 23
Function GND NC +Vo -Vo 0V Vin
2
3
9 10 11
23 22
16 15 14
RECOMMENDED CIRCUIT
All the CTDD3120DF-D1.5K-3 Series have been tested according to the following recommended testing circuit before leaving factory. This series should be tested under load (figure 1 & 2). If you want to further decrease the input/output ripple, you can increase capacitance properly or choose capacitors with low ESR. However, the capacitance should not be too high (See table 1). If you want to use the products in high EMI, please choose our metal packaged products.
Figure 2 Figure 1
Vo+ 0V Vo-
Input Current(A)
External Capacitor Table (table 1) Vin C in C out (0+70°C) 100µF (electrolytic capacitor) C out (-40+85°C) 47µF (tantalum capacitor)
Ip
24V & 48V
10µF 47µF
Input Voltage Range
Input Voltage (V)
08.13.07
Technologies
Manufacturer of Passive and Discrete Semiconductor Components 800-684-5322 Inside US 949-453-1811 Outside US
Copyright © 2007 by CT Magnetics, DBA Central Technologies. All rights reserved. CT Magnetics reserves the right to make improvements or change specifications without notice
CENTRAL
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