MAX888ECJ Maxim, MAX888ECJ Datasheet - Page 4

• Manufacturer Part Number: MAX888ECJ
• Description: Wireless and Satellite Handset Power-Management ICs
• Manufacturer: Maxim

Wireless and Satellite Handset
Power-Management ICs
ELECTRICAL CHARACTERISTICS (continued)
(V
T
4
A
CHARGE-PUMP REGULATOR 4 (IN4, OUT4)
LDO REGULATOR 5 (IN5, OUT5)
LOW-BATTERY COMPARATOR
RESET AND START-UP TIMER
LOGIC AND CONTROL INPUTS
Nominal Output Voltage
Dropout Voltage
Output Load Regulation
Line Regulation
Current Limit
Switching Frequency
Output Voltage
Input Voltage Range
Output Accuracy
Nominal Output Adjustment
Range
Dropout Voltage
Output Load Regulation
Line Regulation
Current Limit
LBI Input Current
LBI Threshold
LBI Propagation Delay
LBO/LBHYS Output Low Voltage
LBO/LBHYS Leakage Current
Reset Timeout Period
Start-Up Timeout Period
ON Input Voltage
BATT
= -40°C to +85°C, unless otherwise noted. Typical values are at T
_______________________________________________________________________________________
= V
IN0
PARAMETER
= V
IN1
= +5.5V, GND = PGND = DGND, V
SYMBOL
V
V
V
V
OUT3
OUT4
OUT5
V
V
IN5
IH
IL
V
Table 5
I
I
I
3.8V < V
V
No load
I
I
MAX886
MAX888
I
I
I
2.7V < V
V
V
V
V
V
V
OUT3
OUT3
OUT3
OUT4
OUT5
OUT5
OUT5
OUT5
IN3
OUT3
LBI
LBI
LBI
LBI
LBO
LBO
= 5.5V,
= 1.23V
= step from 1.23V to 1.27V
= V
= V
= I
= V
= 1mA
= 20mA
= 0.1mA to 20mA
= 50mA
= 0.1mA to 100mA
= 1mA
= 100mA
= 0.1mA to 100mA
OFF
= 2.85V or 4.65V only
REF
REF
IN3
IN5
LBHYS
LBHYS
= V
< 5.5V, V
< 3.8V, 0h code
- 15mV
+ 15mV
CONDITIONS
SYNC
= 1mA,
= 12V,
A
= +25°C.) (Note 1)
= 2.8V, V
OUT3
= 2.85V
IN2
= V
IN3
= V
-0.035
V
IN4
2.175
15mV
-0.01
5.10
1.25
MIN
-0.3
-0.3
-0.2
-0.2
100
REF
2.7
1.2
20
56
28
-3
= V
-
IN5
f
V
OSC
V
TYP
2.85
4.65
5.25
5.21
250
OUT2
= +3.8V, V
20
50
72
10
75
37
REF
0
1
1
/ 2
V
15mV
3.300
MAX
0.02
5.41
3.50
0.01
REF
200
0.3
5.5
0.3
0.2
0.5
0.2
0.4
50
94
47
3
OUT4
+
= +5.5V,
UNITS
%/mA
%/mA
%/V
kHz
%/V
mV
mA
mV
mA
ms
ms
µA
µA
µs
%
V
V
V
V
V
V
V