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參數(shù)資料
| 型號(hào)： | MAX1935ETA |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Fixed-Point Digital Signal Processor 532-FCBGA |
| 中文描述： | 0.8 V-4.5 V ADJUSTABLE POSITIVE LDO REGULATOR, 0.4 V DROPOUT, PDSO6 |
| 封裝： | 3 X 3 MM, 0.80 MM PITCH, THIN, DUAL, QFN-6 |
| 文件頁數(shù)： | 9/10頁 |
| 文件大?。?/td> | 245K |
| 代理商： | MAX1935ETA |
M
500mA, Low-Voltage Linear Regulator
in Tiny QFN
_______________________________________________________________________________________
9
response graphs (see the
Typical Operating
Characteristics
) show two components of the output
response: a DC shift from the output impedance due to
the load current change, and the transient response. A
typical transient overshoot for a step change in the load
current from 5mA to 500mA is 40mV. Increasing the
output capacitor
’
s value and decreasing the ESR
attenuates the overshoot.
Input-Output (Dropout) Voltage
A regulator
’
s minimum input-to-output voltage differential
(dropout voltage) determines the lowest usable supply
voltage. In battery-powered systems, this determines the
useful end-of-life battery voltage. Because the MAX1806
uses a P-channel MOSFET pass transistor, its dropout
voltage is a function of drain-to-source on-resistance
(R
DS(ON)
) multiplied by the load current (see the
Typical
Operating Characteristics
):
V
DROPOUT
= V
IN
- V
OUT
= R
DS(ON)
I
OUT
Chip Information
TRANSISTOR COUNT: 949
OUT
OUT
SET
GND
IN
IN
SHDN
POK
C
OUT
10
μ
F
V
OUT
V
OUT
0.8V
C
IN
1
μ
F
ON
OFF
R
2
R1 = R2
- 1
MAX1935
R
1
V
+2.25V TO +5.5V
Figure 2. Adjustable Output Using External Feedback Resistors
Figure 3. Power Operating Regions: Maximum Output Current
vs. Input-Output Voltage Difference
INPUT-OUTPUT VOLTAGE DIFFERENCE (V)
M
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
100
200
300
400
500
600
0
0
5.0
T
A
= +85
°
C
T
A
= +70
°
C
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1935ETA+ | 制造商:Maxim Integrated Products 功能描述:LDO REG 0.8V TO 4.5V 0.5A 8TDFN EP - Rail/Tube |
| MAX1935ETA+T | 功能描述:低壓差穩(wěn)壓器 - LDO 500mA RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| MAX1935ETA15 | 制造商:Maxim Integrated Products 功能描述:500MA LOW VOLTAGE LINEAR REGULATOR IN TINY QF - Rail/Tube |
| MAX1935ETA15+ | 制造商:Maxim Integrated Products 功能描述:REG LDO LIN FIX POS 1.5V 0.5A 8TDFN EP - Rail/Tube |
| MAX1935ETA15+T | 功能描述:低壓差穩(wěn)壓器 - LDO 500mA RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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