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Details, datasheet, quote on part number:S7DB-08C250
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Datasheet text preview:
NON-ISOLATED DC/DC CONVERTERS
3.3V Input / 1.2V 2.5V Output / 8A S7DB-08C Series
· · · · · · · · · · Nonisolated Compact, low profile surface mount package Fixed frequency High efficiency means less power dissipation Excellent thermal performance Optimized for cost Remote on/off Undervoltage lockout (UVLO) Over current and short circuit protection Remote sense
POWER PRODUCTS
BP02S7DB-08C
Description
The Bel S7DB-08C modules are a series of non-isolated, step down DC/DC power converters that operate from a nominal 3.3V source. These converters are available in a range of output voltages from 1.2V to 2.5V. They are packaged in a compact, low profile, surface mount DIP package for ease of layout and space savings. 8A maximum output is also provided. Standard features include remote on/off, over current and short circuit protection, UVLO and output voltage adjust. These products may be used almost anywhere low voltage silicon is employed and a 3.3V source is available. Typical applications include file servers, routers, line cards and other computing and communications equipment.
Applications
· · · · Distributed power architectures Data networking equipment Telecommunications Computers and peripherals
Part Number Selection
Output Voltage 2.5V 1.8V 1.5V 1.2V Input Voltage 3.3V 3.3V 3.3V 3.3V Max. Output Current 8A 8A 8A 8A Max. Output Power 20W 14.4W 12W 9.6W Typical Efficiency 92% 88% 86% 83% Part Number S7DB-08C250 S7DB-08C180 S7DB-08C150 S7DB-08C120
©2002 Bel Fuse Inc.
Specifications subject to change without notice. 08.02
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 · Tel 201-432-0463 · Fax 201-432-9542 · www.belfuse.com page 1
POWER PRODUCTS
BP02S7DB-08C
NON-ISOLATED DC/DC CONVERTERS
3.3V Input / 1.2V 2.5V Output / 8A
Absolute Maximum Ratings
Parameter Continuous Input Voltage Output Enable Terminal Voltage Ambient Temperature Storage Temperature Symbol Vin Vouten Tamb Tstor Min -0.3 -0.3 -40 -55 Typical Max 4 4 85 100 Unit V V °C °C
Note: Use beyond the maximum ratings may cause a reliability degradation of the DC/DC converter or may permanently damage the device.
Input Specifications
Parameter Operating Input Voltage Module All Symbol Vin Iin Input Current 2.5V 1.8V 1.5V 1.2V All 10 20 60 0.05 2.85 2.3 7.9 6.3 5.3 4.4 100 20 40 100 0.1 mA mA mArms mApk A2s V V Min 3 Typical 3.3 Max 3.6 Units V A
No Load Input Current Remote Off Input Current Input Reflected Ripple Current1 Input Reflected Ripple Current (P-P)1 I2t Inrush Current Transient Turn On Voltage Threshold Turn Off Voltage Threshold
Note: Input capacitance two 270µF/10V, ESR = 0.018 max at 100kHz @ 25° C. 1. With simulated source impedance of 500nH, 5Hz to 20MHz.
©2002 Bel Fuse Inc.
Specifications subject to change without notice. 08.02
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 · Tel 201-432-0463 · Fax 201-432-9542 · www.belfuse.com page 2
NON-ISOLATED DC/DC CONVERTERS
3.3V Input / 1.2V 2.5V Output / 8A
POWER PRODUCTS
BP02S7DB-08C
Output Specifications
Parameter Output Voltage Set Point 1 2.5V 1.8V 1.5V 1.2V Load Regulation 2.5V 1.8V 1.5V 1.2V Line Regulation Regulation Over Temperature 2.5V 1.8V 1.5V 1.2V Total Output Voltage Regulation 2.5V 1.8V 1.5V 1.2V Output Ripple and Noise
2
Module
Symbol Vout
Min
Typical
Max
Units V
2.45 1.764 1.47 1.176
2.5 1.8 1.5 1.2
2.55 1.836 1.53 1.224 mV
7.0 7.0 6.0 6.0 2.0
15 15 15 15 5 mV mV
All
10 8 5 4
25 20 15 12 mV 45 40 35 32 mVp-p
2.5V 1.8V 1.5V 1.2V Output Ripple and Noise 2 Output Current Range Output DC Current Limit Shor t Circuit Surge 2.5V 1.8V 1.5V 1.2V Turn on Time Overshoot at Turn On Output Capacitance All Al l Al l Cout 0 Ton All Al l Al l Iout Ioutlim Ioutsurge 0 10.4
55 40 40 40 10
100 75 75 75 25 8 20 mVrms A A A2s
0.06 0.07 0.09 0.15 10 0
0.12 0.14 0.18 0.22 20 3 3200 ms % µF
Note: All specifications are typical at nominal input, full load at 25° C unless otherwise stated. 1. Vin = 3.3V, Iout = full load, Ta = 25° C. 2. 0 - 20MHz, 1µF ceramic cap and 10µF aluminum cap on output.
©2002 Bel Fuse Inc.
Specifications subject to change without notice. 08.02
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 · Tel 201-432-0463 · Fax 201-432-9542 · www.belfuse.com page 3
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