MAX1530_09 Datasheet, PDF (5/33 Pages) Maxim Integrated Products – Multiple-Output Power-Supply Controllers for LCD Monitors

Multiple-Output Power-Supply Controllers for
LCD Monitors
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V_IN = 12V, V_EN = V_SEQ = 5V, T_A = 0°C to +85°C, unless otherwise noted. Typical values are at T_A = +25°C.)
PARAMETER
CONDITIONS
Soft-Start Period
FREQ = GND
FREQ = VL
POSITIVE LINEAR REGULATOR (LR4)
FBL4 Regulation Voltage
FBL4 Input Bias Current
V_DRV4 = 5V, I_DRV4 = 500µA
V_FBL4 = 1.5V
FBL4 Effective Load Regulation
Error (Transconductance)
V_DRV4 = 5V, I_DRV4 = 500µA to 10mA
FBL4 Line Regulation Error
DRV4 Sink Current
DRV4_Off-Leakage Current
I_DRV4 = 500µA, 5.5V < V_IN < 28V
V_FBL4 = 1.175V, V_DRV4 = 5V
V_FBL4 = 1.5V, V_DRV4 = 28V
FBL4 Input Common-Mode
Range
(Note 2)
Soft-Start Step Size
Measured at FBL4
Soft-Start Period
FREQ = GND
FREQ = VL
NEGATIVE LINEAR REGULATOR (LR5)
FBL5 Regulation Voltage
FBL5 Input Bias Current
V_DRV5 = -10V, I_DRV5 = 100µA
V_FBL5 = 0
FBL5 Effective Load Regulation
Error (Transconductance)
V_DRV5 = -10V, I_DRV5 = 50µA to 1mA
FBL5 Line Regulation Error
DRV5 Source Current
DRV5 Off-Leakage Current
I_DRV5 = 100µA, 5.5V < V_IN < 28V
V_FBL5 = 200mV, V_DRV5 = -10V
V_FBL5 = 0, V_DRV5 = -20V
FBL5 Input Common-Mode
Range
(Note 2)
Soft-Start Step Size
Measured at FBL5
Soft-Start Period
FREQ = AGND
FREQ = VL
MIN TYP MAX
1024 / f_OSC
2048 / f_OSC
UNITS
s
1.226 1.245 1.264
V
-50
+50
nA
-1.5
-2
%
5
mV
10
28
mA
0.1
10
µA
-0.1
+1.5
V
1.238 / 32
V
1024 / f_OSC
s
2048 / f_OSC
100
125
150
mV
-50
+50
nA
-1.5
-2
%
5
mV
2
9
mA
0.1
10
µA
-0.1
+1.5
V
1.238 / 32
V
1024 / f_OSC
s
2048 / f_OSC
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V_IN = 12V, V_EN = V_SEQ = 5V, T_A = -40°C to +85°C, unless otherwise noted.) (Note 3)
PARAMETER
CONDITIONS
MIN TYP
GENERAL
Operating Input Voltage Range (Note 1)
4.5
VL REGULATOR
VL Output Voltage
5.5V < V_IN < 28V, 0 < I_VL < 30mA
4.75
VL Undervoltage Lockout
Threshold
VL rising, 3% hysteresis
3.2
MAX
28.0
5.25
3.8
UNITS
V
V
V
_______________________________________________________________________________________ 5