MAX1884 データシートの表示（PDF） - Maxim Integrated
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MAX1884 Datasheet PDF : 38 Pages
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Quad-Output TFT LCD DC-DC
Converters with Buffer
ELECTRICAL CHARACTERISTICS (continued)
(VIN = +3.0V, SHDN = IN, VSUPP = VSUPN = VSUPB = VSUPL = 10V, LDOOUT = FBL, BUF- = BUFOUT, BUF+ = FLTSET = TGND =
PGND = GND, CREF = 0.22µF, CBUF = 1µF, TA = -40°C to +85°C, unless otherwise noted.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
POSITIVE CHARGE PUMP (MAX1778/MAX1880/MAX1881/MAX1882 ONLY)
SUPP Input Supply Range
FBP Regulation Voltage
FBP Input Bias Current
DRVP PCH On-Resistance
DRVP NCH On-Resistance
FBP Power-Ready Trip Level
VSUPP
VFBP
IFBP
RPCH(ON)
RNCH(ON)
VFBP = 1.5V
VFBP = 1.2V
VFBP = 1.3V
Rising edge
NEGATIVE CHARGE PUMP (MAX1778/MAX1880/MAX1881/MAX1882 ONLY)
SUPN Input Supply Range
VSUPN
FBN Regulation Voltage
VFBN
FBN Input Bias Current
IFBN
VFBN = 0
DRVN PCH On-Resistance RPCH(ON)
DRVN NCH On-Resistance
RNCH(ON)
VFBN = +50mV
VFBN = -50mV
FBN Power-Ready Trip Level
Falling edge
LOW DROPOUT LINEAR REGULATOR (MAX1778/MAX1881/MAX1883/MAX1884 ONLY)
SUPL Input Supply Range
SUPL Undervoltage Lockout
VSUPL
Rising edge, 50mV hysteresis (typ)
SUPL Quiescent Current
Dropout Voltage (Note 1)
ISUPL
VDROP
ILDO = 100µA
LDO regulating to 9V, ILDO = 40mA
FBL Regulation Voltage
VFBL
VSUPL = 10V, LDO regulating to 9V,
ILDO = 15mA
LDO Load Regulation
VSUPL = 10V, LDO regulating to 9V,
ILDO = 100µA to 40mA
LDO Line Regulation
FBL Input Bias Current
LDO Current Limit
VCOM BUFFER
IFBL
ILDOLIM
VSUPL = 4.5V to 15V, FBL = LDOOUT,
ILDO = 15mA
VFBL = 1.25V
VSUPL = 10V, VLDOOUT = 9V, VFBL = 1.2V
SUPB Input Supply Range
SUPB Quiescent Current
BUFOUT Leakage Current
Input Common-Mode Voltage
VSUPB
ISUPB
VCM
VSUPB = 13V
|VOS| < 10mV
MIN
2.7
1.2
-50
20
1.09
2.7
-50
-50
20
80
4.5
3.8
1.222
-1.2
40
4.5
-10
1.2
MAX UNITS
13
V
1.3
V
+50
nA
10
Ω
4
Ω
kΩ
1.16
V
13
V
+50
mV
+50
nA
10
Ω
4
Ω
kΩ
165
mV
15
V
4.3
V
240
µA
330
mV
1.265
V
1.2
%
0.02 %/V
+1.2
µA
260
mA
13
V
850
µA
+10
µA
8.8
V
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