MAX1778EUG+ Maxim Integrated Products, MAX1778EUG+ Datasheet - Page 4

• Manufacturer Part Number: MAX1778EUG+
• Description: IC DCDC CONV MULTI OUT 24TSSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX1778EUG+

• Applications: Converter, TFT, LCD
• Voltage - Input: 2.7 ~ 5.5 V
• Number Of Outputs: 5
• Voltage - Output: 2.7 ~ 13 V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V
PGND = GND, C
Quad-Output TFT LCD DC-DC
Converters with Buffer
4
NEGATIVE CHARGE PUMP (MAX1778/MAX1880/MAX1881/MAX1882 only)
SUPN Input Supply Range
Operating Frequency
FBN Regulation Voltage
FBN Input Bias Current
DRVN PCH On-Resistance
DRVN NCH On-Resistance
Maximum RMS DRVN Current
FBN Power-Ready Trip Level
FBN Fault Trip Level
LOW-DROPOUT LINEAR REGULATOR (MAX1778/MAX1881/MAX1883/MAX1884 only)
SUPL Input Supply Range
SUPL Undervoltage Lockout
SUPL Quiescent Current
Dropout Voltage (Note 1)
FBL Regulation Voltage
LDO Load Regulation
LDO Line Regulation
FBL Input Bias Current
LDO Current Limit
VCOM BUFFER
SUPB Input Supply Range
SUPB Quiescent Current
BUFOUT Leakage Current
Power-Supply Rejection Ratio
Input Common-Mode Voltage
Range
Common-Mode Rejection Ratio
Input Bias Current
Input Offset Current
Gain Bandwidth Product
IN
_______________________________________________________________________________________
= +3.0V, SHDN = IN, V
PARAMETER
REF
= 0.22µF, C
SUPP
BUF
= V
SYMBOL
R
R
I
V
V
PCH(ON)
NCH(ON)
LDOLIM
V
CMRR
= 1µF, T
V
PSRR
I
I
SUPN
V
I
GBW
V
f
I
SUPB
V
SUPL
DROP
I
SUPN
BIAS
SUPL
SUPB
CHP
FBN
I
FBL
FBN
FBL
OS
CM
= V
A
SUPB
= 0°C to +85°C. Typical values are at T
V
V
V
Falling edge
Rising edge
Rising edge, 50mV hysteresis (typ)
I
LDO is set to
regulate at 9V
V
I
V
I
V
I
V
V
V
V
|V
V
V
V
C
LDO
LDO
LDO
LDO
FBN
FBN
FBN
SUPL
SUPL
SUPL
FBL
SUPL
SUPB
SUPB
CM
CM
CM
BUF
OS
| < 10mV
= V
= 1.2V to 8.8V
= 5V
= 5V
= 100µA
= 15mA
= 100µA to 40mA
= 15mA
= 1.25V
= 0
= +50mV
= -50mV
= 1µF
= 10V, LDO regulating at 9V,
= 10V, LDO regulating at 9V,
= 4.5V to 15V, FBL = LDOOUT,
= 10V, V
= 13V
= 4.5V to 13V, V
SUPL
= 10V, LDOOUT = FBL, BUF- = BUFOUT, BUF+ = FLTSET = TGND =
LDOOUT
CONDITIONS
CM
I
I
LDO
LDO
= 9V, V
= 2.25V
= 40mA
= 5mA
FBL
= 1.2V
A
= +25°C, unless otherwise noted.)
1.235
-100
-100
MIN
-0.8
-50
-50
-10
2.7
4.5
3.8
4.5
1.2
20
80
80
40
85
75
0.5 x f
TYP
1.25
125
140
120
130
130
420
0.1
-10
70
98
13
0
5
2
4
OSC
1.265
+100
+100
MAX
+0.8
0.02
+50
+50
+10
165
190
220
300
220
850
4.3
1.2
8.8
13
10
15
13
4
UNITS
%/V
kHz
mV
mV
mV
mV
mA
Hz
nA
kΩ
µA
µA
µA
µA
dB
dB
nA
nA
%
Ω
Ω
V
A
V
V
V
V
V