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參數(shù)資料
| 型號(hào)： | EV2105DJ-00A |
| 廠商： | Monolithic Power Systems, Inc. |
| 英文描述： | 1MHz, 800mA Synchronous Step-Down Converter |
| 中文描述： | 1MHz的，800mA的同步降壓轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 2/8頁(yè) |
| 文件大?。?/td> | 290K |
| 代理商： | EV2105DJ-00A |
MP2105 – 1MHz 800mA SYNCHRONOUS STEP-DOWN CONVERTER
MP2105 Rev. 1.3
5/11/2006
www.MonolithicPower.com
2
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2006 MPS. All Rights Reserved.
TM
PACKAGE REFERENCE
Part Number*
MP2105DJ
Package
TSOT23-5
Temperature
–40
°
C to +85
°
C
*
For Tape & Reel, add suffix –Z (eg. MP2105DJ–Z)
For Lead Free, add suffix –LF (eg. MP2105DJ–LF–Z)
ABSOLUTE MAXIMUM RATINGS
(1)
V
IN
to GND..................................–0.3V to +6.5V
V
SW
to GND........................... –0.3V to V
IN
+0.3V
V
FB
, V
EN
to GND..........................–0.3V to +6.5V
Junction Temperature.............................+150
°
C
Lead Temperature..................................+260
°
C
Storage Temperature .............–65
°
C to +150
°
C
Recommended Operating Conditions
(2)
Supply Voltage V
IN
.............................2.5V to 6V
Output Voltage V
OUT
..........................0.6V to 6V
Operating Temperature .............–40
°
C to +85
°
C
Thermal Resistance
(3)
TSOT23-5..............................220.... 110..
°
C/W
θ
JA
θ
JC
Notes:
1) Exceeding these ratings may damage the device.
2) The device is not guaranteed to function outside of its
operating conditions.
3) Measured on approximately 1” square of 1 oz copper.
ELECTRICAL CHARACTERISTICS
(4)
V
IN
= V
EN
= 3.6V, T
A
= +25
°
C, unless otherwise noted.
Parameter
Supply Current
Shutdown Current
IN Undervoltage Lockout
Threshold
IN Undervoltage Lockout
Hysteresis
Symbol Condition
V
EN
= V
IN
, V
FB
= 0.65V
V
EN
= 0V, V
IN
= 6V
Min
Typ
440
0.10
Max
600
1
Units
μA
μA
Rising Edge
2.15
2.30
2.40
V
55
mV
T
A
= +25°C
–40°C
≤
T
A
≤
+85°C
V
FB
= 0.65V
I
SW
= 100mA
I
SW
= –100mA
V
EN
= 0V, V
IN
= 6V,
V
SW
= 0V or 6V
Duty Cycle = 100%,
Current Pulse Width < 1ms
0.588
0.582
–50
0.600
0.600
0.5
0.42
0.26
0.612
0.618
+50
Regulated FB Voltage
V
FB
V
FB Input Bias Current
PFET On Resistance
NFET On Resistance
nA
SW Leakage Current
–1
+1
μA
PFET Current Limit
1.2
1.6
2.1
A
Oscillator Frequency
Thermal Shutdown Trip
Threshold
EN Trip Threshold
EN Input Current
f
OSC
0.85
1.05
1.25
MHz
145
°
C
–40°C
≤
T
A
≤
+85°C
V
EN
= 0V to 6V
0.3
–1
0.96
1.5
+1
V
μA
Notes:
4) 100% production test at +25°C. Specifications over the temperature range are guaranteed by design and characterization.
TOP VIEW
EN
GND
SW
1
2
3
5
4
FB
IN
MP2105_PD01_TSOT23-5
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