Electrical characteristics (continued) – Rainbow Electronics MAX1664 User Manual
Page 3
MAX1664
Active-Matrix Liquid Crystal Display
(AMLCD) Supply
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= V
INP
= 3.3V, SHDN = IN, V
BPVDD
= 4V, V
BPVSS
= -1V, PGND1 = PGND2 = FPLL = GND, f
BPCLK
= 30kHz, T
A
= 0°C to +70°C,
unless otherwise noted. Typical values are at T
A
= +25°C.)
V
BPCLK
= 0 or 3.3V
SHDN = GND
Source and sink
Rising edge, 40mV hysteresis
SHDN = GND
Falling edge, 40mV hysteresis
VLX2N = 28V, VLX2P = -10V
V
FB2+
= 1.3V, V
FB2-
= -0.1V
CONDITIONS
µA
0.01
1
I
IN(BPCLK)
BPCLK Input Current
V
0.7 x V
IN
V
IH(BPCLK)
BPCLK Input High Voltage
V
0.3 x V
IN
V
IL(BPCLK)
BPCLK Input Low Voltage
µA
80
200
I
IN(BPVDD)
BPV
DD
Supply Current
µA
-10
10
I
LKG(BPDRV)
BPDRV Leakage Current
Ω
0.35
0.7
R
ON(BPDRV)
BPDRV On-Resistance
µA
0.1
10
I
SHDN(BP)
BPV
DD
Shutdown Current
V
2.5
5.5
V
VDD to VSS
BPV
DD
to BPV
SS
Voltage
Range
V
-3
0
V
BPVSS
BPV
SS
Supply Range
V
2.5
5.5
V
BPVDD
BPV
DD
Supply Range
mV
-15
0
15
V
FB2-
V
1.225
1.25
1.275
V
FB2+
FB2+ Regulation Voltage
FB2- Regulation Voltage
V
1.091
1.125
1.159
V
TH(RDY)
FB2+ Power-Ready Trip Level
mV
85
120
165
V
TH(RDY)
FB2- Power-Ready Trip Level
µA
0.05
10
I
LKG(LX2N)
,
I
LKG(LX2P)
LX2N, LX2P Leakage Current
nA
-100
100
I
FB2+
,
I
FB2-
FB2+, FB2- Input Bias Current
Ω
0.9
1.7
R
ON(LX2N)
,
R
ON(LX2P)
LX2N, LX2P On-Resistance
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
C
PLLC
= 22nF
R
PLLC
= 100k
Ω
C
SHUNT
= 2.2nF
PLLC = REF, BPCLK = GND
40
72
BPCLK Input Frequency
Range
27
48
kHz
20
36
f
BPCLK
MHz
1.63
1.92
2.20
f
C
VCO Center Frequency
(Note 1)
-2µA < I
REF
< 50µA
V
0.90
1.05
1.20
V
REF(UVLO)
Undervoltage Lockout
V
1.225
1.250
1.275
V
REF
Reference Voltage
(0.10 x V
IN
) typical hysteresis
V
0.3 x V
IN
V
IL(SHDN)
SHDN Input Low Voltage
FPLL = GND or IN
µA
0.01
1
I
IN(FPLL)
FPLL Input Current
µA
0.01
1
I
IN(SHDN)
SHDN Input Current
V
0.7 x V
IN
V
IH(SHDN)
SHDN Input High Voltage
I
SINK
= 2mA
V
0.05
0.4
V
OL(RDY)
RDY Output Low Voltage
V
RDY
= 5.5V
µA
0.01
1
I
LKG(RDYOH)
RDY Output High Leakage
FPLL = GND
FPLL = REF
FPLL = IN
Note 1:
DC-DC 1 operates at one-half of the V
CO
frequency (f
C
/ 2).
BACKPLANE DRIVER
PLL
LOGIC SIGNALS