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參數(shù)資料
| 型號： | MCP1603-330I/MC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.5 A SWITCHING REGULATOR, 2800 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | 2 X 3 MM, 0.90 MM HEIGHT, PLASTIC, DFN-8 |
| 文件頁數(shù)： | 22/26頁 |
| 文件大小： | 758K |
| 代理商： | MCP1603-330I/MC |
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2007 Microchip Technology Inc.
DS22042A-page 5
MCP1603
Output Characteristics
Adjustable Output Voltage Range
VOUT
0.8
—
4.5
V
Reference Feedback Voltage
VFB
—0.8
—
V
Reference Feedback Voltage
Tolerance
-3.0
—
+3.0
%
TA = -40°C to +25°C
-2.5
—
+2.5
%
TA = +25°C to +85°C
Feedback Input Bias Current
IVFB
—0.1
—
nA
Output Voltage Tolerance Fixed
VOUT
-3.0%
VR
+3.0%
%
VOUT
-2.5
VR
+2.5
%
Line Regulation
VLINE-
REG
—0.3
—
%/V
VIN = VR + 1V to 5.5V,
IOUT =100 mA
Load Regulation
VLOAD-
REG
—0.35
—
%
VIN =VR +1.5V,
ILOAD = 100 mA to 500 mA
Internal Oscillator Frequency
FOSC
1.5
2.0
2.8
MHz
Start Up Time
TSS
—0.6
—
ms
TR = 10% to 90%
RDSon P-Channel
RDSon-P
—
500
—
m
Ω
IP =100 mA
RDSon N-Channel
RDSon-N
—
500
—
m
Ω
IN = 100 mA
LX Pin Leakage Current
ILX
-1.0
±0.1
1.0
A
SHDN =0V, VIN =5.5V,
LX =0V, LX =5.5V
Positive Current Limit Threshold
+ILX(MAX)
—
860
—
mA
DC CHARACTERISTICS (CONTINUED)
Electrical Characteristics: Unless otherwise indicated, VIN = SHDN = 3.6V, COUT = CIN = 4.7 F, L = 4.7 H, VOUT(ADJ) = 1.8V,
IOUT = 100 mA, TA = +25°C. Boldface specifications apply over the TA range of -40°C to +85°C.
Parameters
Sym
Min
Typ
Max
Units
Conditions
Note 1: The minimum VIN has to meet two conditions: VIN ≥ 2.7V and VIN ≥ VOUT + 0.5V.
2: Reference Feedback Voltage Tolerance applies to adjustable output voltage setting.
3: VR is the output voltage setting.
4: The maximum allowable power dissipation is a function of ambient temperature, the maximum allowable
temperature and the thermal resistance from junction to air (i.e. TA, TJ, θJA). Exceeding the maximum
allowable power dissipation causes the device to initiate thermal shutdown.
5: The internal MOSFET switches have an integral diode from the LX pin to the VIN pin, and from the LX pin
to the GND pin. In cases where these diodes are forward-biased, the package power dissipation limits
must be adhered to. Thermal protection is not able to limit the junction temperature for these cases.
6: The current limit threshold is a cycle-by-cycle peak current limit.
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| MCP1603-ADJI/MC | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 2.0MHz 0.5A SynBuck PFM/PWM Reg RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
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