 English |
|
|
|
|
|
|
|
| MAX1661 Datasheet, PDF (3/16 Pages) Maxim Integrated Products – Active-Matrix Liquid Crystal Display AMLCD Supply | |||
| |||
| ◁ |
Active-Matrix Liquid Crystal Display
(AMLCD) Supply
ELECTRICAL CHARACTERISTICS (continued)
(VIN = VINP = 3.3V, SHDN = IN, VBPVDD = 4V, VBPVSS = -1V, PGND1 = PGND2 = FPLL = GND, fBPCLK = 30kHz, TA = 0°C to +70°C,
unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
FB2+ Regulation Voltage
FB2- Regulation Voltage
VFB2+
VFB2-
1.225 1.25 1.275
V
-15
0
15
mV
FB2+, FB2- Input Bias Current
IFB2+,
IFB2-
VFB2+ = 1.3V, VFB2- = -0.1V
-100
100
nA
LX2N, LX2P On-Resistance
RON(LX2N),
RON(LX2P)
0.9
1.7
â¦
LX2N, LX2P Leakage Current
ILKG(LX2N),
ILKG(LX2P)
VLX2N = 28V, VLX2P = -10V
FB2- Power-Ready Trip Level
FB2+ Power-Ready Trip Level
BACKPLANE DRIVER
VTH(RDY)
VTH(RDY)
Falling edge, 40mV hysteresis
Rising edge, 40mV hysteresis
BPVDD Supply Range
VBPVDD
BPVSS Supply Range
VBPVSS
BPVDD to BPVSS Voltage
Range
VVDD to VSS
BPVDD Shutdown Current
BPDRV On-Resistance
BPDRV Leakage Current
ISHDN(BP)
RON(BPDRV)
ILKG(BPDRV)
SHDN = GND
Source and sink
SHDN = GND
BPVDD Supply Current
IIN(BPVDD) VBPCLK = 0 or 3.3V
BPCLK Input Low Voltage
BPCLK Input High Voltage
BPCLK Input Current
PLL
VIL(BPCLK)
VIH(BPCLK)
IIN(BPCLK)
0.05
10
µA
85
120
165
mV
1.091 1.125 1.159
V
2.5
5.5
V
-3
0
V
2.5
5.5
V
0.1
10
µA
0.35
0.7
â¦
-10
10
µA
80
200
µA
0.3 x VIN V
0.7 x VIN
V
0.01
1
µA
VCO Center Frequency
(Note 1)
fC
PLLC = REF, BPCLK = GND
1.63 1.92 2.20 MHz
BPCLK Input Frequency
Range
Reference Voltage
Undervoltage Lockout
LOGIC SIGNALS
SHDN Input Low Voltage
SHDN Input High Voltage
SHDN Input Current
FPLL Input Current
RDY Output Low Voltage
RDY Output High Leakage
fBPCLK
CPLLC = 22nF
RPLLC = 100kâ¦
CSHUNT = 2.2nF
VREF
-2µA < IREF < 50µA
VREF(UVLO)
FPLL = GND
FPLL = REF
FPLL = IN
VIL(SHDN)
VIH(SHDN)
IIN(SHDN)
IIN(FPLL)
VOL(RDY)
ILKG(RDYOH)
(0.10 x VIN) typical hysteresis
FPLL = GND or IN
ISINK = 2mA
VRDY = 5.5V
20
36
27
48
kHz
40
72
1.225 1.250 1.275
V
0.90 1.05 1.20
V
0.3 x VIN V
0.7 x VIN
V
0.01
1
µA
0.01
1
µA
0.05
0.4
V
0.01
1
µA
Note 1: DC-DC 1 operates at one-half of the VCO frequency (fC / 2).
_______________________________________________________________________________________ 3
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese