MAX17020ETJ+ Maxim Integrated Products, MAX17020ETJ+ Datasheet - Page 3

• 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

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

ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, no load on LDO, RTC, OUT1, OUT2, and REF, V
LDOREFIN = GND, ONLDO = IN, ON1 = ON2 = V
(Note 3)
OUT2 Output Voltage Accuracy
(Note 1)
OUT2 Voltage-Adjust Range
REFIN2 Voltage-Adjust Range
REFIN2 Input Bias Current
REFIN2 Dual-Mode Threshold
Voltage Levels
Load Regulation Error
Line Regulation Error
DH1 On-Time
DH2 On-Time
Minimum Off-Time
Soft-Start/Stop Slew Rate
Soft-Start/Stop Slew Rate
Dynamic REFIN2 Slew Rate
Ultrasonic Operating Frequency f
SECFB Threshold Voltage
SECFB Input Bias Current
LINEAR REGULATOR (LDO)
LDO Output-Voltage Accuracy
LDOREFIN Input Range
LDOREFIN Leakage Current
LDOREFIN Dual-Mode
Threshold Voltage
PARAMETER
_______________________________________________________________________________________
Dual Quick-PWM Step-Down Controller
with Low-Power LDO, RTC Regulator
V
SW(USONIC)
I
SYMBOL
t
LDOREFIN
LDOREFIN
OFF(MIN)
V
I
I
V
REFIN2
SECFB
V
t
t
t
SECFB
OUT2
DYN
ON1
ON2
t
t
LDO
SS
SS
3.3V preset output: REFIN2 = V
V
1.05V preset output: REFIN2 = RTC (3.3V),
V
Tracking output: V
V
V
V
Low (REFIN2 = RTC)
High (REFIN2 = V
Either SMPS,
Either SMPS,
Either SMPS,
Either SMPS, V
V
V
(Note 2)
V
V
(Note 2)
(Note 2)
Rising/falling edge on ON1 or ON2 (preset)
Rising/falling edge on ON2 (REFIN2 ADJ)
Rising edge on REFIN2
V
V
0mA < I
V
0mA < I
V
0mA < I
V
V
LDOREFIN low threshold
LDOREFIN high threshold
REFIN2
REFIN2
LDO
LDOREFIN
IN
IN
IN
IN
OUT1
IN
OUT2
SECFB
IN
IN
IN
CC
= 12V,
= 12V,
= 12V,
= 12V,
= 12V,
= 24V, LDOREFIN = BYP = GND,
= 24V, LDOREFIN = V
= 24V, BYP = GND, V
, T
= open (REF)
= 2 x V
= 5.0V
= 3.3V
A
= 2.2V, T
LDO
LDO
LDO
= 2.2V, T
= 0, T
= 0°C to +85°C, unless otherwise noted. Typical values are at T
= 0 or 2V, T
< 100mA
< 100mA
< 100mA
LDOREFIN
A
IN
CONDITIONS
= +25°C
= V
= V
= V
A
= 6V to 24V
A
CC
REFIN2
= V
= REF, I
= GND, I
= +25°C
= +25°C
CC
CC
CC
)
IN
TON = GND or REF
(400kHz)
TON = V
TON = GND (500kHz)
TON = REF or V
(300kHz)
CC
A
= 12V, V
, I
= +25°C
= 1.0V,
LDOREFIN
CC
LOAD
LOAD
LOAD
, BYP = GND,
CC
CC
= 0 to 5A
= 0 to 5A
DD
= 0 to 5A
(200kHz)
(5V),
= 0.5V,
= V
CC
CC
= V
SECFB
3.267
1.040
0.995
0.960
V
1895
V
1.0V
1.94
4.90
3.23
MIN
-0.1
-0.5
895
475
833
-0.2
-0.5
2.2
0.3
0.1
CC
20
CC
2V
0
0
-
-
= 5V, V
1.050
0.005
V
1052
2105
TYP
3.30
1.00
0.15
1.5V
-0.1
-1.7
-1.5
555
925
250
2.0
5.0
3.3
1.0
27
CC
1
1
8
REFIN2
-
3.333
1.060
1.005
1.040
V
V
MAX
1209
2315
1017
+0.1
+0.1
+0.2
+0.5
0.4V
2.06
5.10
3.37
0.20
0.9V
635
400
3.0
2.0
CC
CC
= 1.0V, BYP =
2
2
-
-
A
= +25°C.)
UNITS
mV/µs
mV/µs
%/V
kHz
ms
µA
µA
µA
ns
ns
ns
%
V
V
V
V
V
V
V
V
3