MP2105DJ Monolithic Power Systems, MP2105DJ Datasheet - Page 2

• Manufacturer Part Number: MP2105DJ
• Description: 1mhz, 800ma Synchronous Step-down Converter
• Manufacturer: Monolithic Power Systems

PACKAGE REFERENCE
ELECTRICAL CHARACTERISTICS
V
Notes:
4) 100% production test at +25°C. Specifications over the temperature range are guaranteed by design and characterization.
MP2105 Rev. 1.3
5/11/2006
*
Parameter
Supply Current
Shutdown Current
IN Undervoltage Lockout
Threshold
IN Undervoltage Lockout
Hysteresis
Regulated FB Voltage
FB Input Bias Current
PFET On Resistance
NFET On Resistance
SW Leakage Current
PFET Current Limit
Oscillator Frequency
Thermal Shutdown Trip
Threshold
EN Trip Threshold
EN Input Current
Part Number*
IN
For Tape & Reel, add suffix –Z (eg. MP2105DJ–Z)
For Lead Free, add suffix –LF (eg. MP2105DJ–LF–Z)
MP2105DJ
= V
EN
= 3.6V, T
GND
SW
EN
TM
1
2
3
TOP VIEW
TSOT23-5
A
Package
= +25°C, unless otherwise noted.
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
MP2105_PD01_TSOT23-5
Symbol Condition
5
4
f
V
MP2105 – 1MHz 800mA SYNCHRONOUS STEP-DOWN CONVERTER
OSC
FB
FB
IN
–40°C to +85°C
Temperature
V
V
Rising Edge
T
–40°C ≤ T
V
I
I
V
V
Duty Cycle = 100%,
Current Pulse Width < 1ms
–40°C ≤ T
V
SW
SW
A
EN
EN
FB
EN
SW
EN
© 2006 MPS. All Rights Reserved.
= +25°C
= 100mA
= –100mA
= 0.65V
= V
= 0V, V
= 0V, V
= 0V to 6V
= 0V or 6V
www.MonolithicPower.com
IN
, V
A
A
(4)
IN
IN
FB
≤ +85°C
≤ +85°C
= 6V
= 6V,
= 0.65V
ABSOLUTE MAXIMUM RATINGS
V
V
V
Junction Temperature.............................+150°C
Lead Temperature ..................................+260°C
Storage Temperature .............–65°C to +150°C
Recommended Operating Conditions
Supply Voltage V
Output Voltage V
Operating Temperature .............–40°C to +85°C
Thermal Resistance
TSOT23-5.............................. 220 .... 110.. °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
SW
FB
operating conditions.
, V
to GND .................................. –0.3V to +6.5V
to GND........................... –0.3V to V
EN
to GND.......................... –0.3V to +6.5V
0.588
0.582
2.15
0.85
Min
–50
1.2
0.3
–1
–1
OUT
IN
............................. 2.5V to 6V
.......................... 0.6V to 6V
0.600
(3)
0.600
0.10
2.30
0.42
0.26
1.05
0.96
Typ
440
145
0.5
1.6
55
θ
JA
0.612
0.618
Max
2.40
1.25
600
+50
2.1
1.5
+1
+1
1
θ
JC
IN
Units
+0.3V
MHz
mV
µA
µA
nA
µA
µA
°C
V
V
Ω
Ω
A
V
(2)
(1)
2