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参数资料
| 型号： | VR091B080TU |
| 厂商： | CD TECHNOLOGIES INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 文件页数： | 1/4页 |
| 文件大小： | 114K |
| 代理商： | VR091B080TU |
DC/DC Converter
Programmable, Single Output, 1.100V - 1.85Vout @ 80A
1150 Eglington Avenue East
4607 S.E. International Way
Toronto, Ontario M3C 1H7
Milwaukie, Oregon 97222
1-866-740-1232
www.celesticapower.com
1-971-206-2800
VRM9.1SS_084-20842-50_RevB_Sept2-2003.fm
1 of 4
Innovative Solutions You Can Count On
Celestica Power Systems
Model: VR091B080TU
Features
Meets VRM 9.1 Requirements
DAC Programmable Output Voltage
Active Current Sharing within 10%
Power Good Output
Remote Sense
Remote Enable
Supervisory Functions
Output Overcurrent
Short Circuit Protection
Table 1:
Input Characteristics
Notes and Conditions (1)
Min
Typ
Max
Units
Input Voltage Operating Range
Io = 0 to 80 Amps
11.0
12.00
12.60
Vdc
Input Undervoltage Lockout
Turn-on Threshold
8.77
9.43
10.22
Vdc
Turn-off Threshold
7.87
8.57
9.30
Vdc
Hysteresis Voltage
0.80
0.86
0.95
Vdc
Maximum Input Current
Steady-State
13.5
A
No-Load Input Current
Enable state, no Load
0.260
0.300
mA
Disabled Input Current
Disabled State
50
mA
Enable Characteristics
Internal pull-up voltage, ref. to Vi(-)
5.5
Vdc
Input Impedance, internal pull-up
140
Kohms
Enable - Positive Logic Version
On State Range
1.8
12
Vdc
Off State Range
0
1.2
Vdc
Table 2:
Output Characteristics
Notes and Conditions (1)
Min
Typ
Max
Units
Output Voltage Set Point
5-Bit DAC Controlled
1.100
--
1.85
Vdc
Output Line Regulation
-5
5
mV
Output Load Regulation
0.82
0.95
1.08
mOhm
Output Voltage Total Regulation
At any given load
30
mV
Output Ripple Voltage & Noise (2)
20 MHz Bandwidth
6
12
mVp-p
Output Current Operating Range
0
80
A
Efficiency
100% Load
80
84
%
Turn-on Time
Vin present: Enable to 90% Vout
50
mS
Start-up Inhibit Time
Enabled: Vin applied to 90% Vout
2
3
mS
Remote Sense Compensation Range (3)
0
55
mV
Required Output Capacitance
4,000
40,000
F
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