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MAX17020 Datasheet(PDF) 11 Page - Maxim Integrated Products

Part # MAX17020
Description  Dual Quick-PWM Step-Down Controller with Low-Power LDO, RTC Regulator
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX17020 Datasheet(HTML) 11 Page - Maxim Integrated Products

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Dual Quick-PWM Step-Down Controller
with Low-Power LDO, RTC Regulator
______________________________________________________________________________________
11
STANDBY AND SHUTDOWN INPUT
SUPPLY CURRENT vs. INPUT VOLTAGE
INPUT VOLTAGE (V)
15
20
510
0.1
1
0.01
025
STANDBY (ONLDO = VIN)
SHUTDOWN
(ONLDO = ON1 = ON2 = GND)
REFERENCE OFFSET
VOLTAGE DISTRIBUTION
2V REF OFFSET VOLTAGE (mV)
40
30
20
10
60
50
70
+85
°C
+25
°C
0
-20
-4
-12
4
12
20
SAMPLE SIZE = 150
REFIN2 OFFSET
VOLTAGE DISTRIBUTION
REFIN2 OFFSET VOLTAGE (mV)
40
30
20
10
60
50
70
+85
°C
+25
°C
0
-5
-1
-3
1
3
5
SAMPLE SIZE = 150
100mV ILIM THRESHOLD
VOLTAGE DISTRIBUTION
ILIM THRESHOLD VOLTAGE (mV)
+85
°C
+25
°C
90
98
94
102
106
110
SAMPLE SIZE = 150
0
10
30
20
40
50
LDO AND RTC POWER-UP
MAX17020 toc14
200
μs/div
A. INPUT SUPPLY, 5V/div
B. 5V LDO, 2V/div
0V
0V
0V
0V
A
12V
B
5V
C
3.3V
D
2.0V
12V
C. 3.3V RTC, 2V/div
D. 2.0V REF, 1V/div
LDO AND RTC POWER REMOVAL
MAX17020 toc15
200
μs/div
A. INPUT SUPPLY, 5V/div
B. 5V LDO, 2V/div
5V
3.3V
2V
A
12V
B
5V
C
3.3V
D
2.0V
12V
C. 3.3V RTC, 2V/div
D. 2.0V REF, 1V/div
Typical Operating Characteristics (continued)
(Circuit of Figure 1, VIN = 12V, VDD = VCC = 5V, TON = REF, TA = +25°C, unless otherwise noted.)


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