Product # BQ60120HEA30

Phone 1-888-567-9596

www.synqor.com

Doc.# 005-2BH612M Rev. B

09/02/05

Page 4

Input:

Input:

Output:

Output:

Current:

Current:

ackage:

35-75 V

35-75 V

12 V

12 V

30 A

30 A

Half-brick

Half-brick

T

pecification

Parameter

Min.

Typ.

Max.

Units

Notes & Conditions

ABSOLUTE MAXIMUM RATINGS

Input Voltage

Non-Operating

100

V

Continuous

Operating

80

V

Continuous

Operating Transient Protection

100

V

100ms transient, square wave

Isolation Voltage (input to output)

2250

V

Basic insulation level, Pollution degree 2

Operating Temperature

-40

100

°C

See Figures 7 - 10 for derating

Storage Temperature

-55

125

°C

INPUT CHARACTERISTICS

Operating Input Voltage Range

35

48

75

V

Input Under-Voltage Lockout

Turn-On Voltage Threshold

31.5

33.5

34.4

V

Turn-Off Voltage Threshold

29.5

30.5

32.4

V

Lockout Voltage Hysteresis

3.0

V

Maximum Input Current

11.6

A

100% Load, 35 Vin, trimmed up 5%

No-Load Input Current

140

180

mA

Disabled Input Current

30

50

mA

Input Reflected Ripple Current

20

40

mA

RMS thru inductor; Figures 15 & 17

Input Terminal Ripple Current

130

mA

RMS; Figures 15 & 16

Recommended Input Fuse

20

A

Fast blow external fuse recommended

0\1.0\5.0

µF\µH\µF Internal values; see Figure D

100\90

nH\µF

Internal values; see Figure D

Recommended External Input Capacitance

100

100

µF

Typical ESR 0.2

Recommended External Input Capacitor ESR

1

0.04

0.2

1.5

Ω

100kHz, -40

OUTPUT CHARACTERISTICS

Output Voltage Set Point

11.88

12.00

12.12

V

Output Voltage Regulation

Over Line

+0.05 \ 6 +0.1 \ 12

%\mV

Over Load

+0.1 \ 12 +0.2 \ 24

%\mV

Over Temperature

+45

+90

mV

Total Output Voltage Range

11.75

12.33

V

Over sample, line, load, temperature & life

Output Voltage Ripple and Noise

44µF local ceramic, Figures 15 & 18

Peak-to-Peak

60

120

mV

Full Load; Figures 15 & 18

RMS

20

40

mV

Full Load; Figures 15 & 18

Operating Output Current Range

0

30

A

Subject to thermal derating; Figures 7 - 10

Output DC Current-Limit Inception

34

37

40

A

Output Voltage 10% Low; Figure 19

Back-Drive Current Limit while Enabled

0.8

1.8

3.2

A

Negative current drawn from output

Back-Drive Current Limit while Disabled

0.3

0.6

A

Negative current drawn from output

Maximum Output Capacitance

>10,000

µF

12Vout at 30A resistive load

Start-up Output Voltage Overshoot (with max. cap.)

0

%

10,000µF, Iout=30A resistive load

Recommended External Output Capacitance

44

µF

Local ceramic

DYNAMIC CHARACTERISTICS

Input Voltage Ripple Rejection

80

dB

120 Hz; Figure 22

Output Voltage during Load Current Transient

For a Step Change in Output Current (0.1A/µs)

300

mV

50% to 75% to 50% Iout max; Figure 13

For a Step Change in Output Current (5A/µs)

500

mV

50% to 75% to 50% Iout max; Figure 14

Settling Time

100

µs

To within 1% Vout nom

Turn-On Transient

Turn-On Time

8

14

20

ms

Full load, Vout=90% nom.; Figures 11 & 12

Start-Up Inhibit Period

2

3

4

ms

EFFICIENCY

100% Load

95

%

Figures 1 - 6

50% Load

95

%

Figures 1 - 6

TEMPERATURE LIMITS FOR POWER DERATING CURVES

Semiconductor Junction Temperature

125

°C

Package rated to 150°C

Board Temperature

125

°C

UL rated max operating temp 130°C

Transformer Temperature

125

°C

See Figures 7 - 10 for derating curves

Maximum Baseplate Temperature Limit

100

°C

Applies to BQ60120HEB30 only

ISOLATION CHARACTERISTICS

Isolation Voltage (dielectric strength)

2250

V

Isolation Resistance

30

M

Ω

Isolation Capacitance

1000

pF

1. Electrolytic capacitor ESR tends to increase dramatically at low temperature.

BQ60120HEA30 ELECTRICAL CHARACTERISTICS

perature with appropriate power derating. Specifications subject to change without notice.