MAX1870AETJ+ Maxim Integrated Products, MAX1870AETJ+ Datasheet - Page 7

• Manufacturer Part Number: MAX1870AETJ+
• Description: Battery Management Li+ Step Up/Step Down Battery Charger
• Manufacturer: Maxim Integrated Products

Specifications of MAX1870AETJ+

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

ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 2, V
0.75 x V
SUPPLY AND LINEAR REGULATOR
DCIN Input Voltage Range
DCIN Undervoltage Lockout
DCIN Quiescent Current
BATT Input Voltage Range
BATT Input Bias Current
LDO Output Voltage
LDO Undervoltage Lockout
REFERENCE
REF Output Voltage
REF Load Regulation
REF Undervoltage-Lockout Trip
Point
REFIN Input Range
REFIN UVLO Rising
REFIN Input Bias Current
SWITCHING REGULATOR
C ycl e- b y- C ycl e S tep - U p M axi m um
C ur r ent- Li m i t S ense V ol tag e
C ycl e- b y- C ycl e S tep - D ow n
M axi m um C ur r ent- Li m i t S ense
V ol tag e
Step-Down On-Time
Minimum Step-Down Off-Time
Step-Up Off-Time
Minimum Step-Up On-Time
MOSFET DRIVERS
VHP - VHN Output Voltage
VHN Load Regulation
DHI On-Resistance High
DHI On-Resistance Low
VHP Input Bias Current
BLKP Input Bias Current
DLOV Supply Current
DBST On-Resistance High
DBST On-Resistance Low
REFIN
PARAMETER
, VCTL = LDO, CELLS = FLOAT, GND = PGND = 0, V
_______________________________________________________________________________________
DCIN
= V
CSSP
= V
DCIN falling
DCIN rising
8.0V < V
V BATT = 2V to 19V
No load
V
I
0 < I
V
V
V
V
V
V
V
V
8V < V
0 < I
I
I
V
V
DBST low
I
I
REF
SOURCE
SINK
SOURCE
SINK
DCIN
REF
DCIN
DCIN
DCIN
DCIN
DCIN
DCIN
DCIN
DCIN
ICTL
CSSN
REF
VHN
= 0µA
falling
= 10mA
= 10mA
= V
= 8V, LDO rising
= 18V
= 12V, V
= 19V, V
= 18V, V
= 18V, V
= 12V, V
= 12V, V
VHP
= 18V
DCIN
< 500µA
= V
< 10mA
= 10mA
= 10mA
REFIN
< 28V, no load
CSSS
< 28V
BATT
BATT
BATT
BATT
BATT
BATT
= 3.3V
= V
= 16.8V
= 16.8V
= 16.8V
= 16.8V
= 16.8V
= 16.8V
VHP
CONDITIONS
= 18V, V
DLOV
BATT
= 5.4V, T
= V
Li+ Battery Charger
Step-Up/Step-Down
CSIP
A
= -40°C to +85°C.) (Note 1)
= V
CSIN
= V
4.060
BLKP
4.00
0.15
0.15
MIN
130
130
5.3
2.5
2.2
1.6
4.5
8
4
0
= 12V, V
TYP
REFIN
4.132
MAX
7.85
5.25
0.50
0.40
500
100
170
170
150
400
5.5
3.9
3.6
2.2
2.6
2.0
5.5
28
19
10
10
= 3.0V, V
6
5
3
2
5
3
UNITS
mA
mV
mV
mV
mV
mA
µA
µA
µs
µs
µs
µs
µA
µA
ICTL
Ω
Ω
Ω
Ω
V
V
V
V
V
V
V
V
V
V
7
=