MAX1880EUG+T Maxim Integrated Products, MAX1880EUG+T Datasheet - Page 18
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MAX1880EUG+T
Manufacturer Part Number
MAX1880EUG+T
Description
IC DC-DC CONV QUAD LCD 24TSSOP
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX1778EUG.pdf
(39 pages)
Specifications of MAX1880EUG+T
Applications
Converter, TFT, LCD
Voltage - Input
2.7 ~ 5.5 V
Number Of Outputs
4
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
Quad-Output TFT LCD DC-DC
Converters with Buffer
18
MAX1778
MAX1881
14
15
16
17
18
19
20
21
22
23
24
______________________________________________________________________________________
−
MAX1880
MAX1882
13, 14, 15
23
16
17
18
19
20
21
22
24
−
−
PIN
MAX1883
MAX1884
15, 16
12
13
14
17
18
19
20
−
−
−
−
11, 12, 13,
MAX1885
15, 16
14
17
18
19
20
−
−
−
−
−
−
LDOOUT
FLTSET
NAME
SUPN
DRVN
PGND
TGND
DRVP
SUPP
FBL
RDY
N.C.
LX
Linear Regulator Output. Sources up to 40mA. Bypass to GND with
Voltage Setting Input. Connect a resistive divider from the linear
Fault Trip-Level Set Input. Connect to a resistive divider between
Negative Charge-Pump Driver Supply Voltage. Bypass to power
Negative Charge-Pump Driver Output. Output high level is V
a ceramic capacitor determined by:
regulator output (V
REF and GND to set the main step-up converter’s and positive
charge pump’s fault thresholds between 0.67 x V
V
ground (PGND) with a 0.1µF capacitor.
and low level is PGND.
Positive Charge-Pump Driver Supply Voltage. Bypass to power
ground (PGND) with a 0.1µF capacitor.
Positive Charge-Pump Driver Output. Output high level is V
and low level is PGND
Power Ground. Connect to analog ground (GND) underneath the
IC.
Main Step-Up Regulator Power MOSFET N-Channel Drain. Place
output diode and output capacitor as close to PGND as possible.
Must be connected to ground.
Active-Low, Open-Drain Output. Indicates all outputs are ready.
On-resistance is 125Ω (typ).
No Connection. Not internally connected.
REF
. Connect to GND for the preset fault threshold (0.9 x V
C
LDOOUT
Pin Description (continued)
LDOOUT
≥
) to FBL to analog ground (GND).
FUNCTION
0 5
.
ms X
⎛
⎜
⎝
I
LDOOUT MAX
V
LDOOUT
(
REF
)
⎞
⎟
⎠
and 0.85 x
SUPP
REF
SUPN
).