MP3212 MPS, MP3212 Datasheet - Page 3

• Manufacturer Part Number: MP3212
• Description: 1.3a, 1mhz Step-up Regulator With Integrated Input Disconnect Switch
• Manufacturer: MPS

ELECTRICAL CHARACTERISTICS
V
unless otherwise noted
Notes:
1)
2)
3)
MP3212 Rev. 0.9
3/21/2008
Parameter
Supply Operating Voltage
Under
Threshold
Under
Threshold
Shutdown Current
Supply Current (PFM)
Supply Current (PWM)
Switching Frequency
Minimum On time
Maximum Duty Cycle
SW On-Resistance
SW Leakage
SW Current Limit
Input Disconnect On-Resistance
Input Disconnect Leakage Current
Soft
V
Logic High Voltage
Logic Low Voltage
Pull-up Resistor
FB Voltage
FB Input Bias Current
Leakage Current when Disabled
Thermal Shutdown
Thermal Shutdown Hysteresis
Overvoltage Thershold
Overcurrent Thershold
Load Regulation
Line Regulation
DD
DDOUT
Minimum supply operating voltage needs to be above 2.5V at -40°C.
Timer is around 2ms-4ms.
Guaranteed by design, not tested.
= 3.6V, V
Inrush
Voltage
Voltage
GND
Current
MP3212–1.3A, 1MHz, STEP-UP REGULATOR WITH INTEGRATED INPUT DISCONNECT SWITHCH
= V
Lockout
Lockout
SHDN
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
Source
(1)
= 0V, T
High
Low
at
A
= 25°C. C
R
∆V
∆V
DS (ON)_VDDOUT
I
I
T
SW_VDDOUT
© 2011 MPS. All Rights Reserved.
SS_VDDOUT
T
Symbol
V
V
I
R
OUT
OUT
SHDN_HYS
I
I
t
LEAKAGE
I
SHDN_TH
Q,SHDN
Q(PWM)
ON, MIN
UVLO,LO
D
UVLO,HI
Q(PFM)
DS (ON)
V
F
R
V
V
V
I
I
V
I
www.MonolithicPower.com
I
SW
LIM
MAX
FB
SW
OI
DD
OV
LO
UP
FB
HI
/ ∆I
/ ∆V
IN
=10
OUT
DD
µ
F, C
Condition
V
V
V
Not switching
Not switching
V
V
I
SHDN = 0V
V
V
<2.048ms(2)
Enabled, Input at GND
V
Disabled, Input at GND
FB=GND
t>2.048ms(2), DC current
I
V
50mA
I(SW) = 100mA
OUT
OUT
DD
DD
SHDN
FB
SHDN
DDOUT
DD
FB
DD
OUT
= 0V
= 1.23V
rising
falling
= 50mA, t>2.048ms(2)
= 50mA to 100mA
= 3.6V to 2.6V, I
–V
=3.3
= V
= V
= 0V
DDOUT
DD
DD
µ
, V
F, L=10
SW
= 0.5V, t
= 30V
µ
H, R1=10k
OUT
ON
=
0.85
Min
-0.1
2.3
1.8
1.2
90
31
2
Ω
, R2=133k
1.23 1.26
Typ Max Units
180
400
120
150
2.2
0.1
0.4
1.3
0.2
1.7
0.1
80
25
34
2
1
1
1
1
1.15 MHz
5.5
2.3
0.7
0.1
1
5
1
Ω,
%/V
mA
MΩ
µA
µA
µA
µA
µA
µA
µA
°C
°C
ns
%
%
Ω
Ω
V
V
V
A
V
V
V
V
A
3