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參數(shù)資料
| 型號： | B1129-3.3 |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 1.00Amp High Current Low Dropout Voltage Regulator Adjustable & Fix |
| 中文描述： | 1.00Amp高電流低壓差穩(wěn)壓器可調(diào)節(jié) |
| 文件頁數(shù)： | 3/4頁 |
| 文件大?。?/td> | 169K |
| 代理商： | B1129-3.3 |
Bay Linear, Inc
2418 Armstrong Street, Livermore, CA 94550 Tel: (925) 989-7144, Fax: (925) 940-9556 www.baylinear.com
B1129
ENABLE Input B1129
Input Logic Voltage
Low (OFF)
High (ON)
2.4
0.8
V
V
EN
= 26V
100
600
750
2.5
5
500
V
Enable Pin
Input Current
V
EN
= 0.8V
μ
A
Regulator Output
Current in Shutdown
NOTES:
The Bold specifications apply to the full operating temperature range.
Note 1: Maximum positive supply voltage of 60V must be of limited duration (<100msec) and duty cycle.) The maximum continuous supply voltage is 26V.
Note 2: Full load current (I
FL
) is defined as 1.00A for the B1129.
Note 3: Dropout voltage is defined as the input-to output differential when the output voltage drops to 99% of its nominal value with V
OUT
+ 1V applied to V
IN
.
Note 4: VIN = V
OUT
(NOMINAL)
+1V. For example, use V
IN
= 4.3V for a 3.3V regulator. Employ pulse-testing procedures to minimize temperature rise.
Note 5: Ground pin current is the regulator quiescent current. The total current drawn from the source is the sum of the load current to the ground current.
Note 6: Output voltage temperature coefficient is defined as the worst case voltage changed divided by the total temperature range.
Note 7: Thermal regulation is defined as the change in the output voltage at a time T after a change in power dissipation is applied, excluding load or line regulation
effects. Specifications are for a 200mA load pulse as V
IN
= 20V (a 4W pulse) for T = 10ms.
Note 8: VREF
≤
V
OUT
≤
(V
IN
- 1), 2.3V
≤
V
IN
≤
26V, 10mA < I
L
≤
I
FL
, T
J
≤
T
JMAX
Note 9: Comparator threshold is expressed in terms of a voltage differential at the Adjust terminal below the nominal reference voltage measured 6V input. To express
these thresholds in terms of output voltage change, multiply the error amplifier gain = V
OUT
/V
REF
= (R1 + R2)/R2. For example, at a programmable output voltage of
5V, the Error output is guaranteed to go low when the output drops by 95mVx 5V/ 1.240V = 38mV. Threshold remains constant as a percent of V
OUT
as V
OUT
is varied,
with the dropout warning occurring at typically 5% below nominal, 7.7% guaranteed.
Note 10: V
EN
≤
0.8V and V
IN
≤
26V, V
OUT
= 0.
BLOCK DIAGRAM
(Note 10)
10
μ
A
Reference
Thermal
Shutdown
EN
IN
OUT
ADJ
GND
O.V
I
LIMIT
28V
R1*
R2*
1.180V
1.240V
+
+
-
-
FLAG
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|---|---|
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| B112-BU | 功能描述:接線端子板接口模塊 B112-BU RoHS:否 制造商:Phoenix Contact 類型:Isolating Amplifier 節(jié)距: 位置/觸點數(shù)量:2 線規(guī)量程: 電流額定值: 電壓額定值:24 V 安裝風格:DIN Rail 安裝角: 端接類型:Screw 觸點電鍍: |
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