- 您現在的位置：買賣IC網 > PDF目錄371132 > MP1570DN (MONOLITHIC POWER SYSTEMS INC) 3A, 23V, 340KHz Synchronous Rectified Step-Down Converter PDF資料下載
參數資料
| 型號： | MP1570DN |
| 廠商： | MONOLITHIC POWER SYSTEMS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 3A, 23V, 340KHz Synchronous Rectified Step-Down Converter |
| 中文描述： | 3 A SWITCHING REGULATOR, 380 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數： | 2/11頁 |
| 文件大小： | 333K |
| 代理商： | MP1570DN |
MP1570 – 3A, 23V, 340KHz SYNCHRONOUS RECTIFIED, STEP-DOWN CONVERTER
MP1570 Rev. 1.5
1/31/2006
www.MonolithicPower.com
2
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2006 MPS. All Rights Reserved.
TM
PACKAGE REFERENCE
Part Number*
Package
SOIC8N
(Exposed Pad)
Temperature
MP1570DN
–40° to +85°C
*
For Tape & Reel, add suffix –Z (eg. MP1570DN–Z)
For Lead Free, add suffix –LF (eg. MP1570DN–LF–Z)
ABSOLUTE MAXIMUM RATINGS
(1)
Supply Voltage V
IN
.......................–0.3V to +26V
Switch Voltage V
SW
................. –1V to V
IN
+ 0.3V
Boost Voltage V
BS
..........V
SW
– 0.3V to V
SW
+ 6V
All Other Pins.................................–0.3V to +6V
Junction Temperature...............................150°C
Lead Temperature....................................260°C
Storage Temperature .............–65°C to +150°C
Recommended Operating Conditions
(2)
Input Voltage V
IN
............................4.75V to 23V
Output Voltage V
OUT
......................1.23V to 20V
Ambient Operating Temperature... –40°C to +85°C
Thermal Resistance
(3)
SOIC8N ..................................50...... 10...
°
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
V
IN
= 12V, T
A
= +25°C, unless otherwise noted.
Parameter
Shutdown Supply Current
Supply Current
Symbol Condition
V
EN
= 0V
V
EN
= 2.7V, V
FB
= 1.4V
4.75V
≤
V
IN
≤
23V,
V
COMP
< 2V
A
EA
G
EA
I
C
=
±
10μA
R
DS(ON)1
R
DS(ON)2
V
EN
= 0V, V
SW
= 0V
From Drain to Source
Min
Typ
0.3
1.3
Max
3.0
1.5
Units
μA
mA
Feedback Voltage
V
FB
1.202
1.230
1.258
V
Feedback Overvoltage Threshold
Error Amplifier Voltage Gain
(4)
Error Amplifier Transconductance
High Side Switch On Resistance
(4)
Low Side Switch On Resistance
(4)
High Side Switch Leakage Current
Upper Switch Current Limit
Lower Switch Current Limit
COMP to Current Sense
Transconductance
Oscillation Frequency
Short Circuit Oscillation Frequency
Maximum Duty Cycle
Minimum On Time
(4)
EN Shutdown Threshold Voltage
EN Shutdown Threshold Voltage
Hysteresis
1.4
550
4.0
1.5
400
820
100
100
0
5.8
0.9
1.6
1100
10
7.6
V
V/V
μA/V
m
m
μA
A
A
G
CS
4.0
5.4
6.8
A/V
F
osc1
F
osc2
D
MAX
V
FB
= 0V
V
FB
= 1.0V
V
EN
Rising
300
1.1
340
110
90
220
1.5
380
2.0
KHz
KHz
%
ns
V
220
mV
BS
IN
SW
GND
SS
EN
COMP
FB
1
2
3
4
8
7
6
5
TOP VIEW
MP1570_PD01-SOIC8N
相關PDF資料 |
PDF描述 |
|---|---|
| MP1570 | 3A, 23V, 340KHz Synchronous Step-Down Converter |
| MP1580HP | 2A, 380 KHz Step-Down Converter |
| MP1580HS | 2A MP1580 Step Down Switch Mode Converter |
| MP1591DN | 2A, 32V, 330KHz Step-Down Converter |
| MP1591 | 2A, 32V, 330KHz Step-Down Converter |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MP1570DN-LF | 制造商:Monolithic Power Systems 功能描述:3A/23V SYNCH STEP-DOWN CONVERTER - Bulk |
| MP1570DN-LF-Z | 制造商:Monolithic Power Systems 功能描述:CONV DC-DC SGL-OUT STEP DOWN 8SOIC-EP - Tape and Reel 制造商:MPS 功能描述:STEP DOWN SWITCHER / SOIC 8N (LEAD FREE) |
| MP157GJ-P | 制造商:Monolithic Power Systems 功能描述:6W ACDC BUCK REGULATOR - Tape and Reel |
| MP157GJ-Z | 制造商:Monolithic Power Systems 功能描述:6W ACDC BUCK REGULATOR - Tape and Reel |
| MP157GS | 制造商:Monolithic Power Systems 功能描述:ACDC 6W BUCK REGULATOR - Bulk |
發(fā)布緊急采購，3分鐘左右您將得到回復。