MAX17020ETJ+T Maxim Integrated Products, MAX17020ETJ+T Datasheet - Page 12

• Manufacturer Part Number: MAX17020ETJ+T
• Description: IC CTLR PWM DUAL STEP DN 32-TQFN
• Manufacturer: Maxim Integrated Products
• Series: Quick-PWM™r

Specifications of MAX17020ETJ+T

• 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
• 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