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參數(shù)資料
| 型號(hào)： | VRG8692-S |
| 元件分類(lèi)： | 可調(diào)正電壓?jiǎn)温份敵鯨DO穩(wěn)壓器 |
| 英文描述： | 1 V-3.3 V ADJUSTABLE POSITIVE LDO REGULATOR, 0.5 V DROPOUT, MDFM12 |
| 封裝： | 1 X 0.900 INCH, 0.220 INCH HEIGHT, HERMETIC SEALED, METAL, PACKAGE-12 |
| 文件頁(yè)數(shù)： | 1/10頁(yè) |
| 文件大?。?/td> | 225K |
| 代理商： | VRG8692-S |
SCD8691 Rev E
11
12
10
Radiation performance
- Total dose:
100 krads(Si),
Dose rate = 50 - 300 rads(Si)/s
Output voltage adjustable: 1.0V to 3.3V
Output current: 7.5A
Dropout voltage: 0.5V at 7.5Amps
Voltage reference: 1.0V ±0.5%
Load regulation: 0.5% max
Line regulation: 0.2% max
Ripple rejection: >66dB
Enable Input - TTL / CMOS Compatible
Slow Start capability
Packaging – Hermetic metal
- Thru-hole or Surface mount
- 12 Leads, 1.0"W x 0.9"L x .220"Ht
- Power package
- Weight - 18 gm max
Designed for aerospace and high reliability space
applications
DSCC SMD 5962-09237 Pending
DESCRIPTION
The Aeroflex Plainview VRG8691/92 is capable of supplying in excess of 7.5Amps over the output voltage range as
defined under recommended operating conditions. The regulator is exceptionally easy to set-up, requiring only 2
external resistors to set the output voltage. The module design has been optimized for excellent regulation and low
drop-out voltage. Figures 2 through 5 illustrate setting output voltage, setting current limits and choosing a slow start
capacitor. The VRG8691/92 serves a wide variety of applications including local on-card regulation, programmable
output voltage regulation or precision current regulation.
The VRG8691/92 has been specifically designed to meet exposure to radiation environments. The VRG8691 is
configured for a Thru-Hole 12 lead metal power package and the VRG8692 is configured for a Surface Mount 12 lead
metal power package. It is guaranteed operational from -55°C to +125°C. Available screened to MIL-STD-883, the
VRG8691/92 is ideal for demanding military and space applications.
CURRENT LIMIT (ICL)
The VRG8691/92 features internal current limiting making them virtually blowout-proof against overloads. The limit
is nominally 11.5A @ Vin = 5V (see Table 2), but may be increased or decreased with the addition of one external
resistor (see Application Note 2). When the load current exceeds the ICL setting, the output of the VRG8691/92 will
be latched in an OFF state. To reset the latch condition, the ENABLE function (pin 5) can be cycled, enabled -
disabled - enabled, or the VBIAS may be cycled ON - OFF - ON (if the Figure 5 configuration is being utilized).
VRG8691/92
Radiation Tolerant
FIGURE 1 – BLOCK DIAGRAM / SCHEMATIC
June 14, 2010
www.aeroflex.com/voltreg
Standard Products
NOTE: Aeroflex Plainview does not currently have a DSCC certified Radiation Hardened Assurance Program
Adjustable 7.5A Positive LDO Regulator
FEATURES
8
VRG8691/92
9
6
5
4
VOUT
VSENSE
Current Limit
GND
ENABLE
VBIAS
VIN
7
Slow Start
2
1
3
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