MAX1909 Maxim Integrated Products, MAX1909 Datasheet - Page 9

• Manufacturer Part Number: MAX1909
• Description: (MAX8725 / MAX1909) Multichemistry Battery Charger
• Manufacturer: Maxim Integrated Products

Multichemistry Battery Chargers with Automatic
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
REF, GND = PGND = 0, PKPRES = GND, LDO = DLOV, T
(Circuit of Figure 2, V
Note 1: Guaranteed by design. Not production tested.
MODE Input High Voltage
ACOK AND PKPRES
ACOK Input Voltage Range
ACOK Sink Current
PKPRES Input Voltage Range
PKPRES Battery Removal Detect
Threshold
PDS, PDL SWITCH CONTROL
PDS Switch Turn-Off Threshold
P D S S w i tch Thr eshol d H yster esi s
PDS Output Low Voltage, PDS
Below SRC
PDS Turn-On Current
PDS Turn-Off Current
PDL Switch Turn-On Threshold
P D L S w i tch Thr eshol d H yster esi s
PDL Turn-On Resistance
PDL Turn-Off Current
SRC Input Bias Current
PARAMETER
V
DCIN
_______________________________________________________________________________________
DCIN
CCI
AND REMOVAL RESPONSE
V
V
= V
BATTERY INSERTION
CCV
CCV
= 20V, charge current = 3A, 4 Li+ series cells, T
V
CSSP
CCI
500µs/div
= V
SYMBOL
CSSN
V
CCI
MAX1909/MAX8725 toc01
= 18V, V
V
CCV
V
MAX8725, PKPRES rising
V
V
I
PDS = SRC
V
V
V
PDL = GND
V
SRC = 19, V
PDS
ACOK
DCIN
DCIN
PDS
DCIN
DCIN
SRC
17V
16V
0A
0A
3V
2V
1V
0V
BATT
5A/div
V
5A/div
I
I
V
BATT
IN
= 0A
BATT
CCI
= V
- V
A
- V
- V
- V
- V
= V
, V
= 0.4V, ACIN = 1.5V
= -40°C to +85°C, unless otherwise noted.)
PDL
CCV
SRC
BATT
BATT
BATT
BATT
CSIP
BATT
= 1.5V
- 2V, V
, V
, V
CONDITIONS
= V
DCIN
DCIN
= 16V
CSIN
System Power Selector
DCIN
Typical Operating Characteristics
falling
falling
= 12V, V
A
= 16V
= +25°C, unless otherwise noted.)
SYSTEM LOAD-TRANSIENT RESPONSE
VCTL
CCS
= V
100 s/div
ICTL
= 1.8V, MODE = float, ACIN = 0, CLS =
MIN
100
100
CCI
2.8
MAX1909/MAX8725 toc02
55
50
10
50
50
0
1
0
8
6
6
TYP
5A
0A
5A
0A
5A
0A
3V
2V
1V
0V
I
V
V
I
SYSTEMLOAD
I
BATT
CCI
CCS
IN
MAX
1000
LDO
150
300
150
300
150
28
12
UNITS
LDO
% of
mA
mV
mV
mA
mA
mV
mV
mA
kΩ
µA
V
V
V
V
9