MP1530 – TRIPLE OUTPUT STEP-UP PLUS LINEAR REGULATORS FOR TFT BIAS
ELECTRICAL CHARACTERISTICS
(5)
V
IN
= 5V, T
A
= +25C, unless otherwise noted.
Parameter
Input Voltage Range
IN Undervoltage Lockout Threshold
IN Undervoltage Lockout Hysteresis
IN Shutdown Current
IN Quiescent Current
EN Input High Voltage
EN Input Low Voltage
EN Hysteresis
EN Input Bias Current
Oscillator
Switching Frequency
Maximum Duty Cycle
Soft Start Period
Regulator #2 Turn-On/Turn-Off Delay
Error Amplifier
Error Amplifier Voltage Gain
Error Amplifier Transconductance
COMP Maximum Output Current
FB1, FB3 Regulation Voltage
FB2 Regulation Voltage
FB1, FB3 Input Bias Current
FB2 Input Bias Current
Reference (REF)
REF Regulation Voltage
REF Load Regulation
Output Switch (SW)
SW On Resistance
SW Current Limit
SW Leakage Current
GL Dropout Voltage
(6)
GH Dropout Voltage
(6)
GL Leakage Current
GH Leakage Current
Thermal Shutdown
I
LIM
V
SW
= 22V
V
GL
= –10V, I
GL
= –20mA
V
GH
= 20V, I
GH
= 20mA
V
IN2
= –15V, V
GL
= GND
V
IN3
= 25V, V
GH
= GND
V
EN HIGH
Symbol Condition
V
IN
V
UVLO
IN Rising
V
EN
0.3V
V
EN
> 2V, V
FB1
= 1.4V
EN Rising
Min
2.7
2.25
100
0.5
1.3
1.6
0.3
100
1
f
SW
D
M
C
CT
= 10nF
C
CT
= 10nF
Av
EA
G
m
EA
1.22
–25
V
FB1
= V
FB3
= 1.25V
V
FB2
= 0V
I
REF
= 50μA
0μA < I
REF
< 200μA
V
IN
= 5V
V
IN
= 3V
2.8
1.22
1
85
1.4
90
6
3
6
400
1000
±100
1.25
0
±100
±100
1.25
1
250
400
3.6
0.5
1
1.6
Typ
Max
5.5
2.65
Units
V
V
mV
μA
mA
V
V
mV
μA
MHz
%
ms
μs
ms
V/V
μA/V
μA
V
mV
nA
nA
V
%
mΩ
mΩ
A
μA
V
V
μA
μA
C
1.28
+25
1.28
1.2
1
0.3
1
1
1
160
Notes:
5) Typical values are guaranteed by design, not production tested.
6) Dropout Voltage is the input to output differential at which the circuit ceases to regulate against further reduction in input voltage.
MP1530 Rev. 1.41
5/25/2011
www.MonolithicPower.com
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2011 MPS. All Rights Reserved.
3
MPS [ MONOLITHIC POWER SYSTEMS ]
