MP1580HS-LF Monolithic Power Systems (MPS), MP1580HS-LF Datasheet - Page 2

• Manufacturer Part Number: MP1580HS-LF
• Description: Switching Converters, Regulators & Controllers 2A 380kHz Step-Down Converter
• Manufacturer: Monolithic Power Systems (MPS)

Specifications of MP1580HS-LF

• Rohs: yes
• Output Voltage: 21 V
• Output Current: 2 A
• Input Voltage: 4.75 V to 25 V
• Switching Frequency: 380 kHz
• Operating Temperature Range: - 40 C to + 125 C
• Mounting Style: SMD/SMT
• Package / Case: SOIC-8

PACKAGE REFERENCE
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (V
Switch Voltage (V
Bootstrap Voltage (V
Feedback Voltage (V
Enable/UVLO Voltage (V
Comp Voltage (V
Sync Voltage (V
Junction Temperature .............................+150°C
Lead Temperature ..................................+260°C
Storage Temperature.............. –65°C to +150°C
ELECTRICAL CHARACTERISTICS
V
MP1580 Rev. 3.0
10/10/2007
*
Part Number*
Parameter
Feedback Voltage
Upper Switch-On Resistance
Lower Switch-On Resistance
Upper Switch Leakage
Current Limit
Current Limit Gain.
Output Current to Comp Pin Voltage
Error Amplifier Voltage Gain
Error Amplifier Transconductance
Oscillator Frequency
Short Circuit Frequency
Sync Frequency
IN
For Tape & Reel, add suffix –Z (eg. MP1580HS–Z)
For Lead Free, add suffix –LF (eg. MP1580HS –LF–Z)
MP1580HS
= 12V, T
GND
SW
BS
IN
A
TM
(4)
= +25°C, unless otherwise noted.
1
2
3
4
SYNC
COMP
SW
TOP VIEW
IN
Package
)..................................... 27V
SOIC8
).................. –1V to V
)......................–0.3V to +6V
BS
FB
) ...................–0.3V to +6V
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
) ....................... V
) .................–0.3V to +6V
EN
)...........–0.3V to +6V
MP1580_PD01-SOIC8
8
7
6
5
–40°C to +125°C
SYNC
EN
COMP
FB
Temperature
Symbol Condition
© 2007 MPS. All Rights Reserved.
SW
IN
www.MonolithicPower.com
+ 1V
+ 6V
(1)
4.75V ≤ V
V
V
ΔI
V
Sync Drive 0V to 2.7V
COMP
EN
FB
C
= ±10μA
= 0V
= 0V, V
MP1580 – 2A, 380KHz STEP-DOWN CONVERTER
< 2V
Recommended Operating Conditions
Input Voltage (V
Operating Temperature...............–40°C to +125°C
Thermal Resistance
SOIC8.................................... 105 ..... 50... °C/W
PDIP8 ..................................... 95 ...... 55... °C/W
Notes:
1) Exceeding these ratings may damage the device.
2) The device is not guaranteed to function outside of its
3) Measured on approximately 1” square of 1 oz copper.
**
IN
Part Number**
SW
≤ 25V
MP1580HP
For Tape & Reel, add suffix –Z (eg. MP1580HP–Z)
For Lead Free, add suffix –LF (eg. MP1580HP –LF–Z)
operating conditions.
= 0V
GND
SW
BS
IN
1.198
Min
500
445
342
2.4
IN
20
1
2
3
4
) ......................... 4.75V to 25V
TOP VIEW
Package
PDIP8
1.222
(3)
0.18
1.95
Typ
400
770
380
3.0
10
35
0
MP1580_PD02-PDIP8
8
7
6
5
θ
JA
SYNC
EN
COMP
FB
–40°C to +125°C
1.246
1100
Max
418
600
Temperature
3.6
10
54
θ
JC
Units
µA/V
KHz
KHz
KHz
A/V
V/V
μA
V
Ω
Ω
A
(2)
2