MAX17085BETL+ Maxim Integrated Products, MAX17085BETL+ Datasheet - Page 15

• 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

(Circuit of Figure 1, V
3.35
3.34
3.33
3.32
3.31
3.30
3.29
3.28
100
5V
5V
5V
0A
95
90
85
80
75
70
65
60
55
50
0.01
0.01
SMPS3 EFFICIENCY vs. LOAD CURRENT
SMPS3 OUTPUT vs. LOAD CURRENT
SMPS5 SHUTDOWN WAVEFORMS
(CHARGER AND SMPS5 ARE OFF)
ULTRASONIC MODE
(SWITCHING REGULATOR)
PWM MODE
Integrated Charger, Dual Main Step-Down
0.1
LOAD CURRENT (A)
0.1
LOAD CURRENT (A)
SKIP MODE
______________________________________________________________________________________
400µs/div
ADP
= V
7V
Controllers, and Dual LDO Regulators
SYS
12V
1
1
PWM MODE
SKIP MODE
MAX17085B toc34
20V
12V INPUT
= 20V, V
10
10
BATT
ON5
5V/div
OUT5
2V/div
PGOOD
5V/div
I
5A/div
L5
100
0V
0V
5V
1A
5V
0A
95
90
85
80
75
70
65
60
55
50
= 16.8V, LDO5 = V
Typical Operating Characteristics (continued)
0.01
SMPS5 STARTUP AND SHUTDOWN LOAD
SMPS3 EFFICIENCY vs. LOAD CURRENT
(CHARGER AND SMPS5 ARE OFF)
SMPS5 LOAD TRANSIENT
SKIP MODE
(1A
LOAD CURRENT (A)
0.1
10µs/div
2ms/div
ULTRASONIC MODE
4A
CC
= 5V, LDO3 = 3.3V, T
1A)
1
PWM MODE
12V INPUT
MAX17085B toc32
MAX17085B toc35
10
ON5
5V/div
OUT5
2V/div
LDO5
200mV/div
I
2A/div
OUT5
100mV/div
I
2A/div
OUT5
L5
A
3.3V
5.20
5.15
5.10
5.05
5.00
= +25°C, unless otherwise noted.)
0V
0V
0V
0A
1A
0A
0.01
SMPS5 OUTPUT vs. LOAD CURRENT
SMPS5 STARTUP WAVEFORMS
ULTRASONIC MODE
SKIP MODE
SMPS3 LOAD TRANSIENT
(SWITCHING REGULATOR)
PWM MODE
(1A
0.1
LOAD CURRENT (A)
400µs/div
10µs/div
4A
1A)
1
MAX17085B toc36
12V INPUT
MAX17085B toc33
10
15
ON5
5V/div
OUT5
2V/div
PGOOD
5V/div
I
5A/div
I
2A/div
OUT3
100mV/div
I
2A/div
OUT3
L3
L5