MAX17020ETJ+ Maxim Integrated Products, MAX17020ETJ+ Datasheet - Page 8
![IC CTLR PWM DUAL STEP DN 32-TQFN](/photos/29/9/290916/tqfn32_sml.jpg)
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
Dual Quick-PWM Step-Down Controller
with Low-Power LDO, RTC Regulator
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, no load on LDO, RTC, OUT1, OUT2, and REF, V
LDOREFIN = GND, ONLDO = IN, ON1 = ON2 = V
8
LINEAR REGULATOR (LDO)
LDO Output-Voltage Accuracy
LDOREFIN Input Range
LDOREFIN Dual-Mode
Threshold Voltage
LDO Short-Circuit Current
LDO Regulation Reduction/
Bypass Switchover Threshold
V
Threshold
3.3V ALWAYS-ON LINEAR REGULATOR (RTC)
RTC Output-Voltage Accuracy
RTC Short-Circuit Current
REFERENCE (REF)
Reference Voltage
Reference Load-Regulation Error
OUT1 FAULT DETECTION
OUT1 Overvoltage Trip
Threshold
OUT1 Undervoltage-Protection
Trip Threshold
PGOOD1 Lower Trip Threshold
PGOOD1 Output-Low Voltage
OUT2 FAULT DETECTION
OUT2 Overvoltage Trip
Threshold
CC
_______________________________________________________________________________________
Undervoltage-Lockout
PARAMETER
V
V
V
V
V
SYMBOL
I
I
UVLO(VCC)
OVP(OUT1)
UVP(OUT1)
OVP(OUT2)
ILIM(LDO)
LDOREFIN
ILIM(RTC)
V
V
V
V
LDO
RTC
REF
REF
V
0mA < I
V
0mA < I
V
0mA < I
V
LDOREFIN low threshold
LDOREFIN high threshold
LDO = GND
Falling edge of BYP
Falling edge of V
PWM disabled below this threshold
ON1 = ON2 = GND, V
0 < I
ON1 = ON2 = ONLDO = GND,
V
RTC = GND
V
I
With respect to error-comparator threshold
With respect to error-comparator threshold
With respect to error-comparator threshold,
falling edge, hysteresis = 1%
V
I
Preset mode (REFIN2 = RTC or V
respect to error-comparator threshold
Tracking mode: with respect to REFIN2 voltage
REF
SINK
CC
LDO
CC
FB1
IN
IN
IN
IN
, T
= 24V, LDOREFIN = BYP = GND,
= 24V, LDOREFIN = V
= 24V, BYP = GND, V
= 6V to 24V, 0 < I
= 4.5V to 5.5V, I
RTC
= -20µA to 50µA
= 0.56V (PGOOD1 low impedance),
= 2x V
= 4mA
A
LDO
LDO
LDO
= -40°C to +85°C, unless otherwise noted.) (Note 3)
< 5mA
LDOREFIN
< 100mA
< 100mA
< 100mA
CONDITIONS
CC
,
REF
IN
RTC
IN
= 12V, V
= 6V to 24V,
= 0
LDOREFIN
< 5mA
CC
, BYP = GND,
DD
CC
= 0.5V,
): with
= V
CC
= V
SECFB
0.960
1.975
V
4.85
3.20
0.10
3.18
3.16
MIN
160
0.3
-12
3.8
-10
-20
CC
2V
12
63
12
5
-
= 5V, V
TYP
REFIN2
1.040
2.025
MAX
V
0.9V
5.15
3.40
0.25
3.45
3.50
+10
260
240
-12
2.0
4.3
0.4
CC
30
20
77
20
= 1.0V, BYP =
-5
-
UNITS
mA
mA
mV
mV
%
%
%
%
%
V
V
V
V
V
V
V