MAX1889ETE Maxim Integrated Products, MAX1889ETE Datasheet - Page 3

• Manufacturer Part Number: MAX1889ETE
• Description: DC/DC Switching Converters
• Manufacturer: Maxim Integrated Products

Specifications of MAX1889ETE

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V
FBP Line Regulation
Bandwidth
DRVP Sink Current
DRVP Off-Leakage Current
NEGATIVE LINEAR-REGULATOR CONTROLLER
FBN Regulation Voltage
FBN Fault Trip Level
FBN Input Bias Current
FBN Effective Transconductance
FBN Line Regulation
Bandwidth
DRVN Sink Current
DRVN Off-Leakage Current
LOGIC SIGNAL (SHDN)
Input Low Voltage
Input High Voltage
Input Current
LOGIC SIGNAL (FREQ)
Input Low Voltage
Input High Voltage
Input Current
OVERCURRENT COMPARATOR
Input Offset Voltage
Input Bias Current
OCN, OCP Input
Common-Mode Range
FAULT TIMER AND GATE DRIVER
Fault Timer Period
GATE Output Sink Current
During Slew
GATE Output
Pulldown Resistance
GATE Output Pullup Resistance
IN
= 3V, SHDN = IN, C
PARAMETER
_______________________________________________________________________________________
REF
= 0.22µF, PGND = GND, T
Triple-Output TFT LCD Power Supply
SYMBOL
t
I
I
I
I
I
I
V
FAULT
I
I
DRVN
SHDN
DRVP
FREQ
OCN
GATE
OCP
FBN
FBN
,
I
(Note 3)
V
V
I
V
V
V
I
(Note 2)
V
V
100mV typical hysteresis, V
V
0.15 x V
V
V
V
V
V
DRVP
DRVN
DRVN
FBP
FBP
FBN
FBN
DRVN
FBN
FBP
IN
OCN
FREQ
FREQ
GATE
GATE
A
= 0°C to +85°C. Typical values are at T
= 2.7V to 5.5V
= 1.1V, V
= 1.1V, V
= -0.1V, V
rising
= 0V
= 200mV, V
= 0.2mA, V
= V
= 0.2mA
= 0.2mA, V
= 0V, 32768/f
= V
= 1.5V, during turn-on transition
< 0.5V
= -10V, I
IN
OCP
IN
typical hysteresis
, 65536/f
= V
DRVP
DRVP
CONDITIONS
DRVN
DRVN
IN
DRVN
IN
IN
= 2.7V to 5.5V
= 2.7V to 5.5V
= 10V
= 28V
OSC
OSC
= -20V
= 0.1mA to 2mA
= -10V
with Fault Protection
IN
= 2.7V to 5.5V
A
= +25°C, unless otherwise noted.)
0.7 x
MIN
200
325
200
-50
V
-50
1.6
95
75
-5
1.5
5
5
6
IN
TYP
0.01
0.01
125
400
0.1
0.1
64
64
12
1
1
MAX
0.3 x
0.8 x
155
475
+50
+50
200
200
0.4
V
V
10
10
+5
18
1
1
IN
IN
UNITS
kHz
kHz
mV
mV
mA
mV
mV
mS
mV
mA
ms
µA
nA
µA
µA
µA
nA
µA
V
Ω
Ω
V
V
V
V
3