“C” SERIES

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“C” SERIES

HIGH VOLTAGE POWER SUPPLY

  • 8 models from 0 to 62V through 0 to 6kV
  • 20 or 30 watts of output power
  • Maximum Iout capability down to 0 Volts
  • Maximum Iout during charge/rise time
  • Indefinite output short-circuit protection
  • Very fast rise with very low overshoot
  • Output voltage and current monitors
  • >400,000 hour MTBF @65°C
  • Fixed-frequency, low-stored-energy design
  • UL, cUL, IEC-60950-1, and Demko Recognized
  • GENERAL INFORMATION:
    The “C” Series of high-voltage regulated DC-DC converters are designed for fast rise-time/charging applications utilizing state-of-the-art power conversion topology. Surfacemount technology and encapsulation techniques provide high reliability and low cost. See Application Note 10 for more charging information.

    DESIGN METHODOLOGY:
    The “C” converters utilize a dual-ended forward converter topology with a nominal switching frequency of <100kHz. A precision reference is provided so the remote control can program the power supply for a specific voltage. A soft-start circuit brings the converter to full power over a 1ms period, reducing surges on the source supply. A constant-frequency PWM regulation system controls the MOSFET push-pull power stage and high-voltage transformer. The power stage is protected from output current overloads or short circuits via a secondary current limit circuit. This current limit is optimized for low-impedance capacitor charging. The high voltage developed in the multistage multiplier generates feedback voltage, which is sent to the CTRL circuit to maintain regulation. The AC feedback networks are configured for maximum speed of rise with little or no overshoot into capacitive loads.

    WIDE INPUT VOLTAGE RANGE:
    The “C” Series is designed for full DC power operation at up to 92% efficiency. A wide input range of +23 to +30VDC maintains full output power. The derated input range is +9 to +32VDC. See Application Note 16 for protection information.

    WIDE OUTPUT RANGE:
    The “C” Series is a non-isolated, unipolar converter. Positive or negative output must be specified. Output voltage is adjustable from 0 to 62, 125, 250, 500, 1kV, 2kV, 4kV or 6kV. As the output voltage is reduced towards 0, the maximum current capability remains unchanged.

    OUTPUT VOLTAGE & CURRENT MONITORS:
    The “C” Series features a 100:1 voltage monitor. Units 2kV or higher have a 100 MegΩ/1.1 MegΩ divider; units below 2kV use a 10 MegΩ/102k divider. The monitor output impedance is calibrated for use with a 10 MegΩ input impedance meter. Overall accuracy is ±2.0% with a temperature coefficient of ±200 ppm per oC. The voltage monitor is output on pin 9 and referenced to Signal Ground pin 5.

    Current from the high-voltage multiplier can be monitored by reading the voltage appearing between Output Monitor pin 3 and Signal Ground pin 5. See Application Note 13.

     

    REMOTE CONTROL:
    The “C” Series is remotely programmed with 0 to +5VDC to produce an output voltage. Input may be from a control voltage, a DAC, or from a variable or fixed resistor. On a negative output converter the programming logic of the remote adjust would be inverted, i.e.: +5 to 0VDC. Connections are on the converter for the internal reference, analog remote adjust and the signal ground. The reference is +5.0VDC, temperature compensated with a 464Ω output impedance. See Figure E and Application Note 1 for more information.

    ENABLE/DISABLE:
    The “C” converters also have an enable function. When the enable is TTL 0 (<+0.7V Isink=1mA) the converter is in a standby mode and input current is reduced to <30mA. All functions other than the internal reference are shut down. If the enable pin is left unconnected, TTL 1, or at greater voltages up to +32VDC the converter will initiate soft-start before beginning to operate normally. The open-circuit output voltage from the enable pin is <+5VDC. In the inhibit mode 1mA will have to be sunk for proper shutdown.

    MECHANICAL:
    “C” Series converters are in PCB-mountable plastic cases requiring a footprint of 5.5 in² and only 4.3 in³ of volume. Mounting plates and brackets are available for chassis mounting. This series is also available in an RF-tight metal PCB/chassis mount package. See Application Note 6 for thermal considerations and mounting configurations. All models are available with optional, six-sided, wrap-around Mu-Metal Shielding.

    ENVIRONMENTAL:
    The “C” Series provides full power operation at case temperatures from -40 to +65°C. All units receive a 24-hour burn-in prior to final testing. Extended temperature range is available along with other enhanced capabilities. Please contact the factory.


    1800 OCEAN AVE., FRNT
    RONKONKOMA, NY 11779

    TEL 800-9HV-POWER
    TEL 631-471-4444
    FAX631-471-4696

    www.ultravolt.com

    Parameter

    Conditions

    Models

    Units

    Input:

    All Types

     

    Voltage Range

    Full Power

     + 23 to 30

    VDC

    Voltage Range

    Derated Power Range

     + 9 to 32

    VDC

    Current

    Standby / Disable

    < 30

    mA

    Current

    No Load, Max Eout

    < 90

    mA

    Current

    Max Load, Extended Input Voltage

    Figures A & B

    Graph

    AC Ripple Current

    Nominal Input, Full Load

    < 80

    mA p-p

       Output:

    1/16C

    1/8C

    1/4C

    1/2C

    1C

    2C

    4C

    6C

     

       Voltage Range

       Nominal Input

    0 to 62

    0 to 125

    0 to 250

    0 to 500

    0 to 1,000

    0 to 2,000

    0 to 4,000

    0 to 6,000

    VDC

       Power

       Nominal Input, Max Eout

    20

    30

    20

    30

    20

    30

    20

    30

    20

    30

    20

    30

    20

    30

    20

    30

    Watts

       Current

       Iout, Entire Output Voltage Range

    320

    480

    160

    240

    80

    120

    40

    60

    20

    30

    10

    15

    5

    7.5

    3.3

    5

    mA

       Ripple

       Full Load, Max Eout, Cload 0.5uF

    < 1.0

    < 1.0

    < 1.0

    < 1.0

    < 1.0

    < 1.0

    < 1.0

    < 1.0

    < 1.0

    < 1.0

    < 1.0

    < 1.0

    < 1.0

    < 1.0

    < 1.0

    < 1.0

    V p-p

       Overshoot

       C Load, 0 Eout to Full Eout

    <1V

    <1V

    <1V

    <1V

    <1V

    <1V

    <2V

    <2V

    <2V

    <2V

    <0.1%

    <0.1%

    <0.1%

    <0.1%

    <0.1%

    <0.1%

    V pk

       Voltage Derating

       Max Iout, Extended Input Voltage

    Figures C

    Graph

       Rise Time

       Max Iout, Various C Loads & Eout

    Figures D & F

    Table

       Line Regulation

       Nom. Input, Max Eout, Full Power

    < 0.01 %

    VDC

       Static Load Regulation

       No Load to Full Load, Max Eout

    <0.01%

    VDC

       Stability

       30 Min. warmup, per 8 hr/ per day

    <0.01%  /  <0.02%

    VDC

    Output Voltage Monitor:

    All Types

     

       Voltage

       Full Eout Range, Full Iout Range

    10.00

    V per kV

       Proportionality

       Full Eout Range, Full Iout Range

    ± 0.1%

    V per kV

    Remote Programming:

    All Types

     

       Input Impedance

       Nominal Input

    + Output Models 1.1MΩ to GND,   - Output Models 1.1MΩ to +5 Vref

    MΩ

       Adjust Resistance

       Typical Potentiometer Values

    10K to 100K (Pot across Vref. & Signal GND,  Wiper to Adjust) 

    Ω

       Adjust Linearity

       0% to 100%

    Figure E

    Graph

       Adjust Voltage

       Referenced to signal ground

     Figure E (0 to +5 VDC)

    Graph

       Adjust Logic

       0 to +5 for +Out,  +5 to 0 for -Out

    +4.64 VDC for +Output or +0.36 for -Output = Nominal Eout

     

    Reference:

    All Types

     

       Output Voltage

       T=+25°C,  Initial Value

    + 5.00 ± 2%

    VDC

       Output Impedance

       T=+25°C

    464 ± 1%

    Ω

       Stability

       Over Full Temperature Range

    See “A” Series Datasheet Figure F

    Graph

    Enable:

    All Types

     

       Power Supply On

       Floated, or  voltage   TTL High

    +2.4 to 32

    VDC

       Power Supply Off

       Grounded, or voltage   TTL Low

    0 to + 0.7 ± 0.2 (Isink 1mA minimum)

    VDC

      Temperature & Humidity:

    Standard

    -25PPM

     

       Humidity

       All Conditions, Standard Package

    0 to 95% non-condensing

    0 to 95% non-condensing

     

       Operating

       Full Load, Max Eout, Case Temp.

    -40 to +65

    +10 to +45

    °C

       Storage

       Non-Operating, Case Temp.

    -55 to +105

    -55 to +105

    °C

       Coefficient  

       Over the Specified Temperature

    ± 50

    ± 25

    PPM / °C

       Thermal Shock

       Mil-Std 810, Method 503-4, Proc. II

    -40 to +65

    -40 to +65

    °C

    Altitude:

    All Types

     

       All Conditions

        Standard Package

    Sea Level through Vacuum

     

      Shock & Vibration:

    Standard

    - C  Option

     

       Shock

      Mil-Std-810, Method 516.5, Proc. IV

    20

    40

    G's

       Vibration

      Mil-Std-810, Method 514.5, Fig. 514.5C-3  

    10

    20

    G's

      Packaging:

    Standard

    - C  Option

     

       Material

       Outer construction

    Plastic (DAP) ASTM-D-5948

    Aluminum Alloy 5052-H32, Finish: Mil-C-5541 Class 1A

     

       Length

       Not including pins or mounting pts

    3.70 ± 0.050 (94.0)

    4.75 ± 0.025 (120.7)

    In (mm)

       Width

       Not including pins or mounting pts

    1.50 ± 0.050 (38.1)

    2.00 ± 0.025 (50.8)

    In (mm)

       Height

       Not including pins or mounting pts

    0.77 ± 0.050 (19.6)

    1.00 ± 0.025 (25.4)

    In (mm)

       Volume

       Not including pins or mounting pts

    4.30 (70.5)

    8.00 (131.1)

    In³ (cc)

       Weight

       Overall

    5.0 (142)

    10.0 (284)

    Oz (g)

    Typical Performance Characteristics:  


    Fig. A
    DC Efficiency vs. Input Voltage Range


    Fig. B
    Input Current vs. Input Voltage Range


    Fig. C
    Output Voltage vs. Extended Input Voltage
    (Up to 65°C Chassis Mount w/o Heatsink)


     
     
    C = uF
    V = Volts
    I = mA
    T = mS
    C = uF
    V = kV
    I = mA
    F = Hz
    C = uF
    V = kV
    I = mA
    F = Hz

    C = uF
    E² = kV
    J = Ws
    NOTES:

    Capacitance must include HVPS internal Capacitance, see Fig. F.

    For very light capacitive loads the HVPS exibits slower than
    calculated rise times due to the pulse by pulse current limit.

     
     
    Fig. D
    Rise Time Formulas
     


    Fig. E
    Remote Control Characteristics




    Model
    20W
    30W
    1/8C0.50 uF0.50 uF
    1/4C0.15 uF0.15 uF
    1/2C0.16 uF0.16 uF
    1C0.033 uF0.018 uF
    2C0.009 uF0.009 uF
    4C0.010 uF0.010 uF
    6C0.0064 uF0.0064 uF



    Fig. F
    Reference Stability
     

    PLASTIC CASE
    CONSTRUCTION:
         Epoxy-filled DAP box
         certified to ASTM-D-5948
    TOLERANCE:
         Overall ±0.050” (1.27)
         Pin to Pin ±0.015” (0.38)
         Mounting hole location ±0.025” (0.64)
    MOUNTING:
         2-56 x 0.30 (7.62) 2 places
         threaded post may not be
         flush to cover
    NOTE:
         20W and 30W versions are an
         additional 0.062” (1.57) in height.
         -M equipped units are an
         additional 0.030” (0.76) in height.
         Contact UV customer service for
         drawings on models equipped with

         -E or -H options.

    METAL CASE
    CONSTRUCTION:
         Aluminum box
         Chem film per MIL-C-5541
         Class 1A
    TOLERANCE:
         Overall ±0.025” (0.64)
         Pin to Pin ±0.015” (0.38)
         Hole to Hole location ±0.025” (0.64)

    Ordering Information
    Type:0 to 62 VDC Output
    1/16C
     0 to 125 VDC Output
    1/8C
     0 to 250 VDC Output
    1/4C
     0 to 500 VDC Output
    1/2C
     0 to 1,000 VDC Output
    1C
     0 to 2,000 VDC Output
    2C
     0 to 4,000 VDC Output
    4C
     0 to 6,000 VDC Output
    6C
    Input:24VDC Nominal (20W & 30W)
    24
    Polarity:Positive Output
    -P
     Negative Output
    -N
    Power:Watts Output
    20
     Watts Output
    30
    Case:Plastic Case - Diallyl Phthalate
    STD
     "Eared" Heatsink Plate (plastic case)
    -E
     RF-Tight Aluminum Case
    -C
    Heat Sink: .400” High (sized to fit case)
    -H
    Shield:Six-Sided Mu-Metal Shield
    -M
    Temp Coefficient:25PPM Temperature Coefficient
    -25PPM
     
    Connections
    1 - Input Power Ground Return
    2 - Positive Power Input
    3 - Iout Monitor
    4 - Enable/Disable
    5 - Signal Ground Return
    6 - Remote Adjust Input
    7 - +5V Reference Output
    8 - HV Ground Return
    9 - Eout Monitor
    10 - HV Output
    11 - HV Output
    All grounds joined internally. Power- supply mounting points isolated from internal grounds by >100kΩ, .01uF / 50V (Max) on all models except -M, -C, and -M-E configurations which are 0Ω.
     

     


    台 北 縣 汐 止 市 康 寧 街 169 巷 23 號 7 樓 之 三

    公司電話:+886-2-26958906(代表號) 02-2695-6755, 02-2695-7011, 02-2695-7033

    公司傳真:+886-2-26958911

    上次更新日期: 2010年01月14日。

     


    [首頁] [“C” SERIES] [“A” SERIES] [“AA” SERIES] [“E” SERIES] [“10A→25A” SERIES] [“30A→40A” SERIES] [HIGH POWER “8C→30C” SERIES] [HIGH POWER “C” SERIES] [BI-POLAR HIGH POWER “C” SERIES] [應用實做範例] [電路設計範例] [電路機構設計] [平均使用壽命] [安規品質認證]

         

    新 北 市 汐 止 區 康 寧 街 169 巷 23 號 7 樓 之 一

    公司電話:+886-2-2695-8906(代表號)

     02-2695-6755, 02-2695-7011, 02-2695-7033

    公司傳真:+886-2-26958911

    朱奕政 分機:24 kevin@bentech-taiwan.com

    上次更新日期: 2016年04月13日。