MAX16920 Datasheet, PDF (6/20 Pages) Maxim Integrated Products – Automotive Power-Management IC with Three Step-Down Converters and Linear Regulator

Automotive Power-Management IC with
Three Step-Down Converters and Linear Regulator
Typical Operating Characteristics (continued)
(VINA = VINB = 14V, TA = +25°C, unless otherwise noted. Data measured on MAX16920B, see Figure 5 for application circuit.)
DC-DC2 LOAD REGULATION
(60mA TO 600mA TO 60mA)
MAX16920 toc07
500mA/div
0A
IOUT2
100mV/div
VOUT2 (AC-COUPLED)
200ms/div
DC-DC3 OUTPUT VOLTAGE
vs. TEMPERATURE
3.50
I_OUT3 = 1A
3.45
3.40
3.35
3.30
3.25
3.20
3.15
3.10
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
3.50
3.45
3.40
3.35
3.30
3.25
3.20
3.15
3.10
4
DC-DC3 LINE REGULATION
IOUT3 = 1A
8 12 16 20 24 28
VIN_ (V)
DC-DC3 LOAD REGULATION
(150mA TO 1.5A TO 150mA)
MAX16920 toc10
1A/div
IOUT3
100mA/div
VOUT3
(AC-COUPLED)
200ms/div
LDOA OUTPUT VOLTAGE
vs. TEMPERATURE
5.20
I_OUTA = 100mA
5.15
5.10
5.05
5.00
4.95
4.90
4.85
4.80
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
5.20
5.15
5.10
5.05
5.00
4.95
4.90
4.85
4.80
0
LDOA LINE REGULATION
IOUTA = 100mA
5
10
15
20
VIN (V)
UVI THRESHOLD vs. TEMPERATURE
1.220
1.215
1.210
1.205
1.200
1.195
1.190
1.185
1.180
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
ODRV THRESHOLD vs. TEMPERATURE
20.0
19.8
19.6
VIN RISING
19.4
19.2
19.0
18.8
18.6
18.4
VIN FALLING
18.2
18.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
6