MAX17085BETL+ Maxim Integrated Products, MAX17085BETL+ Datasheet - Page 4

• Manufacturer Part Number: MAX17085BETL+
• Description: Battery Management Dual Main Step-Down Controller
• Manufacturer: Maxim Integrated Products

Specifications of MAX17085BETL+

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

Integrated Charger, Dual Main Step-Down
Controllers, and Dual LDO Regulators
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, no load on LDO5, LDO3, OUT5, OUT3, and REF, V
= 19V, V
erwise noted. Typical values are at T
4
DH3 On-Time
Minimum Off-Time
Extended On-Time Blanking
Soft-Start Time
Ultrasonic Operating Frequency
MAIN SMPS FAULT DETECTION
OUT_ Overvoltage Trip
Threshold (PGOOD Pulled Low
Above This Level)
OUT_Overvoltage Fault
Propagation Delay
OUT_ Undervoltage Protection
Trip Threshold
OUT_ Output Undervoltage
Fault Propagation Delay
PGOOD Lower Trip Threshold
PGOOD Propagation Delay
PGOOD Output Low Voltage
PGOOD Leakage Current
Fault Reset Timer
MAIN SMPS CURRENT LIMIT
ILIM_ Adjustment Range
ILIM_ Leakage Current
Valley Current-Limit Threshold
(Adjustable)
Ultrasonic Negative
Current-Limit Threshold
Current-Limit Threshold
(Zero Crossing)
______________________________________________________________________________________
BSTC
PARAMETER
- V
LXC
= 5V, V
BATT
f
= V
SW(USONIC)
V
SYMBOL
t
I
LIM
OFF(MIN)
t
I
NEG(US)
A
PGOOD
PGOOD
CSIP
t
t
t
V
ON3
= +25°C.)
OVP
UVP
t
_
SS
ZX
(VAL)
= V
CSIN
IN = 12V,
V
(Note 3)
Duty cycle > 50%; not for production test
Rising edge on ON_
SKIP = GND
With respect to error comparator threshold
FB_ forced 50mV above trip threshold
With respect to error comparator threshold
With respect to error comparator threshold,
falling edge, hysteresis = 15mV
OUT5 or OUT3 forced 50mV beyond
PGOOD trip threshold, falling edge
PGOOD low impedance, ON5 = ON3 =
GND, I
PGOOD high impedance, SMPS in
regulation, PGOOD forced to 5.5V,
T
T
V
V
V
OUT3
A
A
AGND
AGND
ILIM
= 12.6V, V
= +25°C
= +25°C
= 1V
SINK
= 3.3V (Note 3)
- V
- V
LX
LX
= 4mA
_
_, SKIP = V
VCTL
CONDITIONS
= V
V
V
V
CC
ILIM
ILIM
ILIM
ISET
R
(300kHz - 10%)
R
(800kHz - 10%)
CC
= 5V, ON3 = ON5 = V
TON
TON
_ = 0.5V
_ = 1.00V
_ = 2.10V
= 1.8V, CELLS = open, T
or GND,
= 549kI
= 202kI
CC
-350
MIN
866
325
210
-0.1
184
0.2
15
13
65
40
87
7
, V
DCIN
A
= 0°C to +85°C, unless oth-
1019
-250
TYP
382
270
300
100
210
1.5
22
16
10
70
10
10
10
50
72
= V
2
LXC
= V
MAX
1171
-150
+0.1
439
330
360
113
236
0.3
2.1
19
75
60
1
CSSP
= V
UNITS
kHz
ms
mV
ms
mV
mV
mV
FA
FA
ns
ns
ns
Fs
Fs
Fs
%
%
V
V
CSSN