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參數(shù)資料
| 型號(hào)： | LBC2518 |
| 廠商： | Monolithic Power Systems, Inc. |
| 英文描述： | 1.7MHz, 600mA Synchronous Step-Down Converter |
| 中文描述： | 為1.7MHz，600mA的同步降壓轉(zhuǎn)換器 |
| 文件頁數(shù)： | 2/10頁 |
| 文件大?。?/td> | 454K |
| 代理商： | LBC2518 |
MP2104 – 1.7MHz 600mA SYNCHRONOUS STEP-DOWN CONVERTER
MP2104 Rev. 1.3
10/4/2005
www.MonolithicPower.com
2
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2005 MPS. All Rights Reserved.
TM
PACKAGE REFERENCE
Part Number*
Package
Temperature
MP2104DJ
TSOT23-5
–40
°
C to +85
°
C
*
For Tape & Reel, add suffix –Z (eg. MP2104DJ–Z)
For Lead Free, add suffix –LF (eg. MP2104DJ–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
SW Peak Current........................................ 1.4A
Junction Temperature.............................+150
°
C
Lead Temperature
(2)
..............................+260
°
C
Storage Temperature ............. –65
°
C to +150
°
C
Part Number**
MP2104DJ-1.5
MP2104DJ-1.8
Package
Marking
Temp
–40
°
C to
+85
°
C
TSOT23-5
TSOT23-5
D7YW
D8YW
**
For Tape & Reel, add suffix –Z (eg. MP2104DJ-1.5–Z)
For Lead Free, add suffix –LF (eg. MP2104DJ-1.5–LF–Z)
Recommended Operating Conditions
(3)
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
(4)
TSOT23-5..............................220.... 110..
°
C/W
θ
JA
θ
JC
Notes:
1) Exceeding these ratings may damage the device.
2) For recommended IR reflow temperature information, refer to
MPS document MP2104_IRRTP.
3) The device is not guaranteed to function outside of its
operating conditions.
4) Measured on approximately 1” square of 1 oz copper.
ELECTRICAL CHARACTERISTICS
(5)
V
IN
= V
EN
= 3.6V, T
A
= +25
°
C, unless otherwise noted.
Parameter
Supply Current
Shutdown Current
IN Under Voltage Lockout
Threshold
IN Under Voltage Lockout
Hysteresis
Symbol Condition
V
EN
= V
IN
, V
FB
= 0.65V
V
EN
= 0V, V
IN
= 6V
Rising Edge
Min
Typ
400
0.01
Max
600
1
Units
μA
μA
2.10
2.27
2.45
V
55
mV
T
A
= +25°C, MP2104DJ
–40°C
≤
T
A
≤
+85°C
V
FB
= 0.65V, MP2104DJ
0.588
0.582
–50
0.600
0.600
0.5
0.612
0.618
+50
Regulated FB Voltage
V
FB Input Bias Current
nA
C
TOP VIEW
EN
GND
SW
1
2
3
5
4
FB
IN
MP2104_PD01-TSOT23-5
M
TOP VIEW
EN
GND
SW
1
2
3
5
4
OUT
IN
MP2104_PD02-TSOT23-5
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