MP1530 Datasheet, PDF (3/15 Pages) Monolithic Power Systems – Triple Output Step-Up Plus Linear Regulators for TFT Bias

MP1530 – TRIPLE OUTPUT STEP-UP PLUS LINEAR REGULATORS FOR TFT BIAS
ELECTRICAL CHARACTERISTICS ⁽⁴⁾
V_IN = 5V, T_A = +25°C, unless otherwise noted.
Parameter
Symbol Condition
Min Typ Max
Input Voltage Range
IN Undervoltage Lockout Threshold
IN Undervoltage Lockout Hysteresis
V_IN
V_UVLO IN Rising
2.7
5.5
2.25
2.65
100
IN Shutdown Current
IN Quiescent Current
EN Input High Voltage
EN Input Low Voltage
V_{EN HIGH}
V_EN ≤ 0.3V
V_EN > 2V, V_FB1 = 1.4V
EN Rising
0.5
1
1.3
1.6
1.6
0.3
EN Hysteresis
100
EN Input Bias Current
1
Oscillator
Switching Frequency
Maximum Duty Cycle
Soft Start Period
Regulator #2 Turn-On/Turn-Off Delay
Error Amplifier
f_SW
D_M
C_CT = 10nF
C_CT = 10nF
1
1.4
85
90
6
3
6
Error Amplifier Voltage Gain
Error Amplifier Transconductance
COMP Maximum Output Current
Av_EA
Gm_EA
400
1000
±100
FB1, FB3 Regulation Voltage
1.22 1.25 1.28
FB2 Regulation Voltage
–25
0
+25
FB1, FB3 Input Bias Current
FB2 Input Bias Current
Reference (REF)
V_FB1 = V_FB3 = 1.25V
V_FB2 = 0V
±100
±100
REF Regulation Voltage
REF Load Regulation
Output Switch (SW)
I_REF = 50µA
0µA < I_REF < 200µA
1.22 1.25 1.28
1
1.2
SW On Resistance
SW Current Limit
SW Leakage Current
GL Dropout Voltage ⁽⁵⁾
GH Dropout Voltage ⁽⁵⁾
GL Leakage Current
GH Leakage Current
Thermal Shutdown
V_IN = 5V
250
V_IN = 3V
400
I_LIM
2.8
3.6
V_SW = 22V
0.5
1
V_GL = –10V, I_GL = –20mA
0.3
V_GH = 20V, I_GH = 20mA
1
V_IN2 = –15V, V_GL = GND
1
V_IN3 = 25V, V_GH = GND
1
160
Notes:
4) Typical values are guaranteed by design, not production tested.
5) Dropout Voltage is the input to output differential at which the circuit ceases to regulate against further reduction in input voltage.
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
MP1530 Rev. 1.4
www.MonolithicPower.com
3
5/19/2006
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