์ „์ž๋ถ€ํ’ˆ ๋ฐ์ดํ„ฐ์‹œํŠธ ๊ฒ€์ƒ‰์—”์ง„
  Korean  โ–ผ

Delete All
ON OFF
ALLDATASHEET.CO.KR

X  

Preview PDF Download HTML

TC1304-AO0EMFTR ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 7 Page - Microchip Technology

๋ถ€ํ’ˆ๋ช… TC1304-AO0EMFTR
์ƒ์„ธ๋‚ด์šฉ  500 mA Synchronous Buck Regulator, 300 mA LDO with Power-Good Output
Download  36 Pages
Scroll/Zoom Zoom In 100% Zoom Out
์ œ์กฐ์‚ฌ  MICROCHIP [Microchip Technology]
ํ™ˆํŽ˜์ด์ง€  http://www.microchip.com
Logo 

TC1304-AO0EMFTR ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 7 Page - Microchip Technology

Zoom Inzoom in Zoom Outzoom out
/ 36 page
 7 / 36 page
background image
ยฉ 2005 Microchip Technology Inc.
DS21949B-page 7
TC1303A/TC1303B/TC1303C/TC1304
Synchronous Buck Regulator (VOUT1)
Adjustable Output Voltage Range
VOUT1
0.8
โ€”
4.5
V
Adjustable Reference Feedback
Voltage (VFB1)
VFB1
0.78
0.8
0.82
V
Feedback Input Bias Current
(IFB1)
IVFB1
โ€”
-1.5
โ€”
nA
Output Voltage Tolerance Fixed
(VOUT1)
VOUT1
-2.5
ยฑ0.3
+2.5
%
Note 2
Line Regulation (VOUT1)VLINE-REG
โ€”0.2
โ€”
%/V
VIN =VR+1V to 5.5V,
ILOAD = 100 mA
Load Regulation (VOUT1)VLOAD-REG
โ€”0.2
โ€”
%
VIN =VR +1.5V, ILOAD = 100 mA to
500 mA (Note 1)
Dropout Voltage VOUT1
VIN โ€“ VOUT1
โ€”
280
โ€”
mV
IOUT1 = 500 mA, VOUT1 =3.3V
(Note 5)
Internal Oscillator Frequency
FOSC
1.6
2.0
2.4
MHz
Start Up Time
TSS
โ€”0.5
โ€”
ms
TR = 10% to 90%
RDSon P-Channel
RDSon-P
โ€”
450
650
m
ฮฉ
IP=100 mA
RDSon N-Channel
RDSon-N
โ€”
450
650
m
ฮฉ
IN=100 mA
LX Pin Leakage Current
ILX
-1.0
ยฑ0.01
1.0
ฮผA
SHDN = 0V, VIN = 5.5V, LX = 0V,
LX = 5.5V
Positive Current Limit Threshold
+ILX(MAX)
โ€”
700
โ€”
mA
LDO Output (VOUT2)
Output Voltage Tolerance (VOUT2)VOUT2
-2.5
ยฑ0.3
+2.5
%
Note 2
Temperature Coefficient
TCVOUT
โ€”
25
โ€”
ppm/ยฐC
Note 3
Line Regulation
ฮ”VOUT2/
ฮ”VIN
-0.2
ยฑ0.02
+0.2
%/V
(VR+1V) โ‰ค VIN โ‰ค 5.5V
Load Regulation, VOUT2 โ‰ฅ 2.5V
ฮ”VOUT2/
IOUT2
-0.75
-0.08
+0.75
%IOUT2 = 0.1 mA to 300 mA (Note 4)
Load Regulation, VOUT2 < 2.5V
ฮ”VOUT2/
IOUT2
-0.9
-0.18
+0.9
%IOUT2 = 0.1 mA to 300 mA (Note 4)
Dropout Voltage VOUT2 > 2.5V
VIN โ€“ VOUT2
โ€”
137
205
300
500
mV
IOUT2 = 200 mA (Note 5)
IOUT2 = 300 mA
Power Supply Rejection Ratio
PSRR
โ€”
62
โ€”
dB
f
โ‰ค 100 Hz, IOUT1 = IOUT2 = 50 mA,
CIN = 0 ยตF
Output Noise
eN
โ€”
1.8
โ€”
ยตV/(Hz)ยฝ
f
โ‰ค 1 kHz, IOUT2 =50 mA,
SHDN1 =GND
Output Short Circuit Current
(Average)
IOUTsc2
โ€”
240
โ€”
mA
RLOAD2 โ‰ค 1ฮฉ
DC CHARACTERISTICS (CONTINUED)
Electrical Characteristics: VIN1 =VIN2 = SHDN1,2 =3.6V, COUT1 =CIN = 4.7 ยตF, COUT2 =1ยตF, L =4.7 ยตH, VOUT1 (ADJ) = 1.8V,
IOUT1 = 100 ma, IOUT2 = 0.1 mA TA = +25ยฐC. Boldface specifications apply over the TA range of -40ยฐC to +85ยฐC.
Parameters
Sym
Min
Typ
Max
Units
Conditions
Note
1:
The Minimum VIN has to meet two conditions: VIN โ‰ฅ 2.7V and VIN โ‰ฅ VRX + VDROPOUT, VRX = VR1 or VR2.
2:
VRX is the regulator output voltage setting.
3:
TCVOUT2 = ((VOUT2max โ€“ VOUT2min) * 10
6)/(V
OUT2 * DT).
4:
Regulation is measured at a constant junction temperature using low duty-cycle pulse testing. Load regulation is tested
over a load range from 0.1 mA to the maximum specified output current.
5:
Dropout voltage is defined as the input-to-output voltage differential at which the output voltage drops 2% below its
nominal value measured at a 1V differential.
6:
The maximum allowable power dissipation is a function of ambient temperature, the maximum allowable junction
temperature and the thermal resistance from junction to air. (i.e. TA, TJ, ฮธJA). Exceeding the maximum allowable power
dissipation causes the device to initiate thermal shutdown.
7:
The integrated MOSFET switches have an integral diode from the LX pin to VIN, and from LX to PGND. 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.
8:
VIN1 and VIN2 are supplied by the same input source.


Html Pages

1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20  21  22  23  24  25  26  27  28  29  30  31  32  33  34  35  36 


๋ฐ์ดํ„ฐ์‹œํŠธ Download




๋งํฌ URL



Privacy Policy
ALLDATASHEET.CO.KR
ALLDATASHEET ๊ฐ€ ๊ท€ํ•˜์— ๋„์›€์ด ๋˜์…จ๋‚˜์š”?  [ DONATE ]  

Alldatasheet๋Š”?   |   ๊ด‘๊ณ ๋ฌธ์˜    |   ์šด์˜์ž์—๊ฒŒ ์—ฐ๋ฝํ•˜๊ธฐ   |   ๊ฐœ์ธ์ •๋ณด์ทจ๊ธ‰๋ฐฉ์นจ   |   ์ฆ๊ฒจ์ฐพ๊ธฐ   |   ๋งํฌ๊ตํ™˜   |   ์ œ์กฐ์‚ฌ๋ณ„ ๊ฒ€์ƒ‰
All Rights Reservedยฉ Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn