Delta Electronics H48SL User Manual

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Delphi Series H48SL, 200W Half Brick Family

FEATURES

 High Efficiency: 84% @ 1.5V/60A

 Size: 57.9 x 61.0 x 12.7mm

(2.28” x 2.40” x 0.50”)

 Standard footprint

 Industry standard pin out

 Fixed frequency operation

 Metal baseplate

 Input UVLO, Output OCP, OVP, OTP

 Basic insulation

 No minimum load required

 2:1 Input voltage range

 ISO 9001, TL 9000, ISO 14001, QS9000,

OHSAS18001 certified manufacturing

facility

 UL/cUL 60950 (US & Canada)

Recognized, and TUV (EN60950)

Certified

 CE mark meets 73/23/EEC and

93/68/EEC directives

DC/DC Power Modules: 48V in, 1.5V/60A out

The Delphi Series H48SL Half Brick, 48V input, single output, isolated

DC/DC converters are the latest offering from a world leader in powe

systems technology and manufacturing ― Delta Electronics, Inc. This

product family provides up to 200 watts of power (3.3V and above) o

60A of output current in an industry standard footprint. With creative

design technology and optimization of component placement, these

converters possess outstanding electrical and thermal performance, as

well as extremely high reliability under highly stressful operating

conditions.

voltage, current, and temperature conditions. The Delphi Series

converters meet all safety requirements with basic insulation.

ll models are fully protected from abnormal input/outpu

OPTIONS

 Positive Remote On/Off logic

 Negative trim

 Short pin lengths

APPLICATIONS

 Telecom/Datacom

 Wireless Networks

 Optical Network Equipment
 Server and Data Storage

 Industrial/Test Equipment

DATASHEET
DS_H48SL1R560_10302006

TECHNICAL SPECIFICATIONS

(TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted)

PARAMETER NOTES and CONDITIONS H48SL1R560 (Standard)

ABSOLUTE MAXIMUM RATINGS

Input Voltage

Continuous 80 Vdc

Transient (100ms) 100ms 100 Vdc
Operating Case Temperature Tc -40 +100 °C
Storage Temperature -55 +125 °C
Input/Output Isolation Voltage 1 minute 1500 Vdc

INPUT CHARACTERISTICS

Operating Input Voltage 36 48 75 Vdc
Input Under-Voltage Lockout

Turn-On Voltage Threshold 33 34 35 Vdc

Turn-Off Voltage Threshold 31 32 33 Vdc

Lockout Hysteresis Voltage 1 2 3 Vdc

Maximum Input Current 100% Load, 36Vin 3.6 A
No-Load Input Current 60 150 mA
Off Converter Input Current 3 10 mA
Inrush Current(I2t) 0.03 A2s
Input Reflected-Ripple Current P-P thru 12µH inductor, 5Hz to 20MHz 25 mA
Input Voltage Ripple Rejection 120 Hz 65 dB

OUTPUT CHARACTERISTICS

Output Voltage Set Point
Output Voltage Regulation

Over Load Io=Io,min to Io,max ±2 ±5 mV

Over Line Vin=36V to 75V ±2 ±5 mV

Over Temperature

Total Output Voltage Range over sample load, line and temperature 1.43 1.57 V
Output Voltage Ripple and Noise 5Hz to 20MHz bandwidth

Peak-to-Peak Full Load, 1µF ceramic, 10µF tantalum 75 150 mV

RMS Full Load, 1µF ceramic, 10µF tantalum 25 40 mV

Operating Output Current Range 0 60 A
Output DC Current-Limit Inception Output Voltage 10% Low 110 150 %

DYNAMIC CHARACTERISTICS

Output Voltage Current Transient 48V, 10µF Tan & 1µF Ceramic load cap, 0.1A/µs

Positive Step Change in Output Current 50% Io.max to 75% Io.max 80 mV

Negative Step Change in Output Current 75% Io.max to 50% Io.max 80 mV

Settling Time (within 1% Vout nominal) 100 us

Turn-On Transient

Start-Up Time, From On/Off Control 10 20 ms

Start-Up Time, From Input 10 20

Maximum Output Capacitance Full load; 5% overshoot of Vout at startup 20000 µF

EFFICIENCY

100% Load
60% Load 87 %

ISOLATION CHARACTERISTICS

Input to Output 1500 Vdc
Input to Case
Output to Case 500 Vdc
Isolation Resistance 10 MΩ
Isolation Capacitance 1300 pF

FEATURE CHARACTERISTICS

Switching Frequency 180 kHz
ON/OFF Control, Negative Remote On/Off logic

Logic Low (Module On) Von/off at Ion/off=1.0mA 0 0.8 V

Logic High (Module Off) Von/off at Ion/off=0.0 µA 15 V

ON/OFF Control, Positive Remote On/Off logic

Logic Low (Module Off) Von/off at Ion/off=1.0mA 0 0.4 V

Logic High (Module On) Von/off at Ion/off=0.0 µA 15 V

ON/OFF Current (for Both Remote on/off logic) Ion/off at Von/off=0.0V 1 mA

Leakage Current (for Both Remote on/off logic) Logic High, Von/off=15V 50 uA

Output Voltage Trim Range
Output Voltage Remote Sense Range
Output Over-Voltage Protection Over full temp range; % of nominal Vout 115 122 130 %

GENERAL SPECIFICATIONS

MTBF Io=80% of Io, max; Ta=25°C 2.23 M hours Weight 85 grams Over-Temperature Shutdown Average PCB Temperature 110 °C

Min. Typ. Max. Units

Vin=48V, Io=Io.max, Tc=25℃

Tc =- 4 0℃ to 100℃

84 %

1500 Vdc

Across Pins 9 & 5, Pout ≦ max rated power

Pout ≦ max rated power

1.47 1.5 1.53

±15 ±50 mV

-20 +10 %
10 %

Vdc

ms

DS_H48SL1R560_10302006

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ELECTRICAL CHARACTERISTICS CURVES

90

85

80

EFFICIENCY (%)

75

70

36Vin 48Vin 75Vin

65

10 20 30 40 50 60

OUTPUT CURRENT (A)

Figure 1: Efficiency vs. load current for minimum, nominal, and

maximum input voltage at 25°C.

3.5
Io=60A Io=36A Io=6A

3.0

2.5

20.0

36Vin 48Vin 75Vin

16.0

12.0

8.0

POWER DISSIPATION (W)

4.0

0.0
10 20 30 40 50 60

OUTPUT CURRENT(A)

Figure 2: Power dissipation vs. load current for minimum,

nominal, and maximum input voltage at 25°C.

2.0

INPUT CURRENT (A)

1.5

1.0

0.5

0.0
30 35 40 45 50 55 60 65 70 75

INPUT VOLTAGE (V)

Figure 3: Typical input characteristics at room temperature

DS_H48SL1R560_10302006

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ELECTRICAL CHARACTERISTICS CURVES

For Negative Remote On/Off Logic

Figure 4: Turn-on transient at full rated load current (resistive
load) (2 ms/div). Top Trace: Vout; 500mV/div; Bottom Trace:
ON/OFF input: 10V/div

For Positive Remote On/Off Logic

Figure 5: Turn-on transient at zero load current (2 ms/div). To p

Trace: Vout: 500mV/div; Bottom Trace: ON/OFF input: 10V/div

Figure 6: Turn-on transient at full rated load current (resistive
load) (2 ms/div). Top Trace: Vout; 500mV/div; Bottom Trace:
ON/OFF input: 2V/div

DS_H48SL1R560_10302006

Figure 7: Turn-on transient at zero load current (2 ms/div). To p

Trace: Vout: 500mV/div; Bottom Trace: ON/OFF input: 2V/div

4

ELECTRICAL CHARACTERISTICS CURVES

A

A

A

)

)

)

Figure 8: Output voltage response to step-change in load

current (75%-50%-75% of Io, max; di/dt = 0.1
10µF, tantalum capacitor and 1µF ceramic capacitor. Top Trace:
Vout (100mV/div), Bottom Trace: Iout (10
measurement should be made using a BNC cable (length
shorter than 20 inches). Position the load between 51 mm to

76 mm (2 inches to 3 inches) from the module.

/µs). Load cap:

/div). Scope

Figure 9: Output voltage response to step-change in load

current (75%-50%-75% of Io, max; di/dt = 2.5A/µs). Load cap:
470µF, 35m
capacitor. Top Trace: Vout (100mV/div), Bottom Trace: Iout
(10
cable (length shorter than 20 inches
between 51 mm to 76 mm (2 inches to 3 inches

module.

Ω

ESR solid electrolytic capacitor and 1µF ceramic

/div). Scope measurement should be made using a BNC

. Position the load

from the

Figure 10: Test set-up diagram showing measurement points
for Input Terminal Ripple Current and Input Reflected Ripple

Current.
Note: Measured input reflected-ripple current with a simulated
source Inductance (L
possible battery impedance. Measure current as shown above.

of 12 µH. Capacitor Cs offset

TEST

DS_H48SL1R560_10302006

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