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 NON-ISOLATED DC/DC CONVERTERS
5V Input / 1.5 - 3.3V Output / 10A V7PC-10B Series
* * * * * * * * * Nonisolated Industry standard pinout Fixed frequency High efficiency means less power dissipation High power density Optimized for cost Remote on/off Undervoltage lockout Over current and short circuit protection
POWER PRODUCTS
BP02V7PC-10B
Description
The Bel V7PC-10B series modules are non-isolated DC/DC power converters that operate from a nominal 5V source. These converters are available in a range of output voltages from 1.5V to 3.3V. They are packaged in an industry standard singlein-line footprint with 10A maximum output. Standard features include remote on/off, over current and short circuit protection and output voltage adjust. Remote sense is an optional feature. These products may be used almost anywhere low voltage silicon is employed and a 5V source is available. Typical applications include file servers, routers, line cards and other computing and communications equipment.
Applications
* * * Telecommunications Networking Computers and peripherals
Options
* Remote sense
Part Number Selection
Output Voltage 3.3V 2.5V 1.5V Input Voltage 5V 5V 5V Max. Output Current 10A 10A 10A Max. Output Power 33W 25W 15W Typical Efficiency 94% 92% 87% Part Number V7PC-10B330 V7PC-10B250 V7PC-10B150 Part Number Remote Sense Option V7PC-10B33S V7PC-10B25S V7PC-10B15S
(c)2002 Bel Fuse Inc. Specifications subject to change without notice. 02.02
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
BP02V7PC-10B
NON-ISOLATED DC/DC CONVERTERS
5V Input / 1.5 - 3.3V Output / 10A
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 0 -55 Typical Max 6 6 70 105 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 Input Current 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 Symbol Vin Iin 35 3 10 40 0.05 4.25 3.85 Min 4.5 Typical Max 5.5 9.5 50 10 20 80 0.07 Units V A mA mA mArms mApk A2s V V
Note: Input capacitance 1000F/16V, ESR = 0.078 max at 100kHz @ 25 C. 1. With simulated source impedance of 500nH, 5Hz to 20MHz.
(c)2002 Bel Fuse Inc. Specifications subject to change without notice. 02.02
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
5V Input / 1.5 - 3.3V Output / 10A
POWER PRODUCTS
BP02V7PC-10B
Output Specifications
Parameter Output Voltage Set Point1 3.3V 2.5V 1.5V Load Regulation 3.3V 2.5V 1.5V Line Regulation Regulation Over Temperature 0 - 70 C All 8 6 5 5 16 12 10 10 mV mV 3.3V 2.5V 1.5V 20 17 15 40 30 25 mV 3.3V 2.5V 1.5V Output Ripple and Noise2 Output Ripple and Noise2 Output Current Range Output DC Current Limit Short Circuit Surge 3.3V 2.5V 1.5V Turn on Time Overshoot at Turn On Output Capacitance All All All Cout 0 Ton All All All All Iout Ioutlim Ioutsurge 0.25 0.2 0.1 11 0 0.3 0.25 0.15 20 3 4700 ms % F 0 13 33 28 25 50 15 66 52 45 100 25 10 25 mVp-p mVrms A A A2s Module Symbol Vout 3.234 2.450 1.470 3.3 2.5 1.5 3.366 2.550 1.530 mV Min Typical Max Units V
Total Output Voltage Regulation
Note: All specifications are typical at nominal input, full load at 25 C unless otherwise stated. 1. Vin = 5V, Iout = full load, Ta = 25 C. 2. 0 - 20MHz BW, 0.1F ceramic cap on output.
(c)2002 Bel Fuse Inc. Specifications subject to change without notice. 02.02
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com page 3
POWER PRODUCTS
BP02V7PC-10B
NON-ISOLATED DC/DC CONVERTERS
5V Input / 1.5 - 3.3V Output / 10A
Output Specifications
Parameter Transient Response3 V 50% to 100% of Max Load Settling Time V 100% to 50% of Max Load Settling Time Transient Response3 V 50% to 100% of Max Load Settling Time V 100% to 50% of Max Load Settling Time Transient Response3 V 50% to 100% of Max Load Settling Time V 100% to 50% of Max Load Settling Time 1.5V 80 Ts 40 120 80 mV s Ts 70 40 120 80 mV s 2.5V 90 Ts 40 130 80 mV s Ts 90 40 130 80 mV s 3.3V 100 Ts 40 150 80 mV s Ts 90 40 150 80 mV s Module Symbol Min Typical Max Units
Note: All specifications are typical at nominal input, full load at 25 C unless otherwise stated. 3. di/dt = 0.5A/uS, Vin = 5VDC, Ta = 25 C, and with a 470F aluminum cap on output.
(c)2002 Bel Fuse Inc. Specifications subject to change without notice. 02.02
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com page 4
NON-ISOLATED DC/DC CONVERTERS
5V Input / 1.5 - 3.3V Output / 10A
POWER PRODUCTS
BP02V7PC-10B
General Specifications
Parameter Efficiency1 3.3V 2.5V 1.5V Switching Frequency Output Voltage Trim Range 3.3V 2.5V 1.5V Remote Sense Compensation Weight All All 9.2 70 70 90 110 110 120 10 % g All Fsw Module Symbol 92 90 85 230 94 92 87 300 340 kHz % Min Typical Max Units %
1. Vin=5V, full load and Ta=25 C.
Control Specifications
Parameter Remote On/Off Signal Low (Unit On) Signal High (Unit Off) Module All All All Symbol Vouten -0.3 2.8 0.3 5.5 Min Typical Max Units V V V
(c)2002 Bel Fuse Inc. Specifications subject to change without notice. 02.02
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com page 5
POWER PRODUCTS
BP02V7PC-10B
NON-ISOLATED DC/DC CONVERTERS
5V Input / 1.5 - 3.3V Output / 10A
Efficiency Data
Module 3.3V 98.0% EFFICIENCY 96.0% 94.0% 92.0% 90.0% 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 OUTPUT CURRENT 4.5V 5V 5.5V
Module 2.5V 96.0% EFFICIENCY 94.0% 92.0% 90.0% 88.0% 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 OUTPUT CURRENT 4.5V 5V 5.5V
Module 1.5V 94.0% EFFICIENCY 92.0% 90.0% 88.0% 86.0% 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 OUTPUT CURRENT
(c)2002 Bel Fuse Inc. Specifications subject to change without notice. 02.02
4.5V 5V 5.5V
CORPORATE
Bel Fuse Inc. 206 Van Vorst Street Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com
FAR EAST
Bel Fuse Ltd. 8F / 8 Luk Hop Street San Po Kong Kowloon, Hong Kong Tel 852-2328-5515 Fax 852-2352-3706 www.belfuse.com
EUROPE
Bel Fuse Europe Ltd. Preston Technology Management Centre Marsh Lane, Suite G7, Preston Lancashire, PR1 8UD, U.K. Tel 44-1772-556601 Fax 44-1772-888366 www.belfuse.com
page 6
POWER PRODUCTS
BP02V7PC-10B
NON-ISOLATED DC/DC CONVERTERS
5V Input / 1.5 - 3.3V Output / 10A
Ripple and Noise
Ripple and noise at full load and 5Vdc input and Ta=25 C
Transient Response
Transient response: di/dt = 0.5A/S, external load capacitance Co = 470F (electrolytic)
50% to 100% load transients at 5V input and Ta=25 C
100% to 50% load transients at 5V input and Ta=25 C
(c)2002 Bel Fuse Inc. Specifications subject to change without notice. 02.02
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com page 7
POWER PRODUCTS
BP02V7PC-10B
NON-ISOLATED DC/DC CONVERTERS
5V Input / 1.5 - 3.3V Output / 10A
Thermal Considerations
Derating Curve 10 300LFM
8
Output Current (A)
6
4
Natural Convection
2
0 0C 10C 20C 30C 40C 50C 60C 70C
Ambient Temperature, Ta (C) Output Current vs. Local Ambient Temperature and Air Velocity
(c)2002 Bel Fuse Inc. Specifications subject to change without notice. 02.02
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com page 8
NON-ISOLATED DC/DC CONVERTERS
5V Input / 1.5 - 3.3V Output / 10A
POWER PRODUCTS
BP02V7PC-10B
Mechanical
0.20 [5.08]
2.50 [63.50]
0.55 [13.97]
0.36 [9.14] max 0.063 [1.60]
0.025 [0.64] 0.10 [2.54] 0.28 [7.11] 1.90 [48.26] 0.13 [3.30] 0.183 [4.65]
Dimensions are in inches [millimeters]. Standard dimension tolerance is 0.005 [0.13] unless otherwise noted.
Pin 1 2 3* 4 5 6 7 8 9 10 11
Function +Vo +Vo No Pin +Vo Ground Ground +Vin +Vin No Pin Trim Remote On/Off
12345
6 7 8 910 11
*Pin 3 used for remote sense option.
(c)2002 Bel Fuse Inc. Specifications subject to change without notice. 02.02
CORPORATE
Bel Fuse Inc. 206 Van Vorst Street Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com
FAR EAST
Bel Fuse Ltd. 8F / 8 Luk Hop Street San Po Kong Kowloon, Hong Kong Tel 852-2328-5515 Fax 852-2352-3706 www.belfuse.com
EUROPE
Bel Fuse Europe Ltd. Preston Technology Management Centre Marsh Lane, Suite G7, Preston Lancashire, PR1 8UD, U.K. Tel 44-1772-556601 Fax 44-1772-888366 www.belfuse.com
page 9


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