MAX1606 Maxim, MAX1606 Datasheet - Page 4

• Manufacturer Part Number: MAX1606
• Description: 28V Internal Switch LCD Bias Supply with True Shutdown
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(V
28V Internal Switch LCD Bias Supply
with True Shutdown
Note 1: The MAX1606 requires a supply voltage between +2.4V and +5.5V; however, the input voltage (V
Note 2: Specifications to -40°C are guaranteed by design and not production tested.
(V
4
Minimum LX Off-Time
SW Leakage Current
CONTROL INPUTS (SHDN, LIM)
SHDN Input Threshold
SHDN Input Bias Current
LIM Input Low Level
LIM Input Float Level
LIM Input High Level
LIM Input Bias Current
PMOS Current Limit
PMOS On-Resistance
PMOS ISOLATION SWITCH (BATT to SW)
CC
CC
18.2
18.1
18.0
17.9
17.8
17.7
17.6
_______________________________________________________________________________________
= 3.3V, V
= 3.3V, V
2.0
OUTPUT VOLTAGE vs. SUPPLY VOLTAGE
inductor can vary from +0.8V to 5.5V.
PARAMETER
2.5
CC
BATT
3.0
= BATT = SHDN, T
= 3.6V, L1 = 10µH, SHDN = LIM = V
3.5
V
CC
I
OUT
I
OUT
(V)
4.0
= 5mA
= 1mA
4.5
5.0
SYMBOL
A
R
I
= -40°C to +85°C, unless otherwise noted.) (Note 2)
DS(ON)
t
SHDN
I
V
OFF
V
5.5
LIM
IH
IL
18.2
18.1
18.0
17.9
17.8
17.7
17.6
V
V
SW = GND, V
2.4V ≤ V
2.4V ≤ V
V
2.4V ≤ V
2.4V ≤ V
I
2.4V ≤ V
SHDN = V
SHDN = GND
V
V
LIM
FB
FB
CC
CC
CC
OUTPUT VOLTAGE vs. BATTERY VOLTAGE
0
> 1.1V
< 0.8V (soft-start)
= ±0.5µA
= 5.5V, V
= 2.5V, V
= 2.5V, V
CC
CC
CC
CC
CC
CC
1
, V
CC
≤ 5.5V
≤ 5.5V
≤ 5.5V
≤ 5.5V,
≤ 5.5V
OUT(NOM)
, LIM = GND or V
BATT
BATT
BATT
SHDN
2
CONDITIONS
V
BATT
= 5.5V
= 1.5V
= 1.5V, I
3
= 0 to 5.5V
(V)
I
Typical Operating Characteristics
OUT
= 18V (Figure 3), T
I
OUT
= 5mA
4
= 1mA
SW
CC
5
= 100mA
6
A
= +25°C, unless otherwise noted.)
18.2
18.1
18.0
17.9
17.8
17.7
17.6
( V
- 0.25V
- 0.4V
0
0.8 ×
0.75
V
V
0.65
MIN
C C
OUTPUT VOLTAGE vs. LOAD CURRENT
3.8
-1
-2
CC
CC
LIM = GND
/ 2)
LIM = OPEN
5
BATT
LOAD CURRENT (mA)
TYP
10
) used to power the
( V
+ 0.25V
MAX
0.2 ×
1.25
15
V
C C
6.0
0.4
1.5
0.4
CC
1
1
2
1
LIM = V
/ 2)
20
CC
UNITS
µA
µA
µA
µs
V
V
V
V
A
Ω
25