MAX17020ETJ+ Maxim Integrated Products, MAX17020ETJ+ Datasheet - Page 12
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MAX17020ETJ+
Manufacturer Part Number
MAX17020ETJ+
Description
IC CTLR PWM DUAL STEP DN 32-TQFN
Manufacturer
Maxim Integrated Products
Series
Quick-PWM™r
Type
Dual Quick-PWM Step-Down Controllerr
Datasheet
1.MAX17020ETJT.pdf
(34 pages)
Specifications of MAX17020ETJ+
Applications
Power Supplies
Current - Supply
1mA
Voltage - Supply
6 V ~ 24 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
32-TQFN Exposed Pad
Output Voltage Range
0.7 V to 5.5 V
Input Voltage Range
6 V to 24 V
Input Current
1 mA
Power Dissipation
2.76 W
Operating Temperature Range
- 40 C to + 85 C
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
0.1A
Dual Quick-PWM Step-Down Controller
with Low-Power LDO, RTC Regulator
(Circuit of Figure 1, V
12
5V
0A
A. LDO OUTPUT,
______________________________________________________________________________________
100mV/div
5V LDO LOAD TRANSIENT
5V
0V
5V
0V
5V
0V
0A
4μs/div
A. ON1, 5V/div
B. 5V SMPS OUTPUT,
2V/div
IN
= 12V, V
(SWITCHING REGULATORS)
B. LOAD CURRENT,
SHUTDOWN WAVEFORMS
100mA/div
MAX17020 toc16
200μs/div
DD
= V
C. PGOOD1, 2V/div
D. INDUCTOR CURRENT,
A
B
5A/div
CC
= 5V, TON = REF, T
MAX17020 toc19
5V
5V
0V
5V
0V
Typical Operating Characteristics (continued)
A. 5V LDO OUTPUT, 0.2V/div
B. 5V SMPS OUTPUT, 2V/div
C. ON1, 5V/div
5V SMPS STARTUP AND SHUTDOWN
A
B
C
D
A
200μs/div
= +25°C, unless otherwise noted.)
3.1A
0A
5V
0A
MAX17020 toc17
A. LOAD CURRENT, 2A/div
B. 5V SMPS OUTPUT, 100mV/div
C. INDUCTOR CURRENT, 2A/div
5V SMPS LOAD TRANSIENT
A
5V
B
5V
C
(PWM MODE)
40μs/div
5V
0V
5V
5V
0V
0V
0A
A. ON1, 2V/div
B. 5V SMPS OUTPUT,
2V/div
(SWITCHING REGULATORS)
STARTUP WAVEFORMS
MAX17020 toc20
100μs/div
A
B
C
C. PGOOD1, 5V/div
D. INDUCTOR CURRENT,
5A/div
MAX17020 toc18
5V
A
B
C
D