MAX8792ETD+T Maxim Integrated Products, MAX8792ETD+T Datasheet - Page 3

• Manufacturer Part Number: MAX8792ETD+T
• Description: IC PWM CONTROLLER 14TDFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX8792ETD+T

• Applications: PWM Controller
• Voltage - Input: 2 ~ 26 V
• Current - Supply: 700µA
• Operating Temperature: -40°C ~ 80°C
• Mounting Type: Surface Mount
• Package / Case: 14-TDFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Supply: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
ified. Typical values are at T
FAULT DETECTION
Output Overvoltage-Protection
Trip Threshold
Output Overvoltage
Fault-Propagation Delay
Output Undervoltage-Protection
Trip Threshold
Output Undervoltage
Fault-Propagation Delay
PGOOD Propagation Delay
PGOOD Output-Low Voltage
PGOOD Leakage Current
Dynamic REFIN Transition Fault
Blanking Threshold
Thermal-Shutdown Threshold
V
Threshold
CURRENT LIMIT
ILIM Input Range
Current-Limit Threshold
Current-Limit Threshold
(Negative)
Current-Limit Threshold
(Zero Crossing)
Ultrasonic Frequency
U l tr asoni c C ur r ent- Li m i t Thr eshol d
CC
Undervoltage Lockout
PARAMETER
IN
_______________________________________________________________________________________
= 12V, V
A
= +25°C.) (Note 1)
DD
= V
V
SYMBOL
U V LO( V C C )
t
I
CC
T
V
PGOOD
PGOOD
V
OVP
t
UVP
t
SHDN
ILIMIT
V
OVP
UVP
INEG
ZX
= V
EN
Controller with Dynamic REFIN
= 5V, REFIN = ILIM = REF, SKIP = GND. T
With respect to the internal target voltage
(error comparator threshold); rising edge;
hysteresis = 50mV
Dynamic transition
Minimum OVP threshold
FB forced 25mV above trip threshold
With respect to the internal target voltage
(error comparator threshold) falling edge;
hysteresis = 50mV
FB forced 25mV below trip threshold
UVP falling edge, 25mV overdrive
OVP rising edge, 25mV overdrive
Startup delay
I
FB = REFIN (PGOOD high impedance),
PGOOD forced to 5V, T
Fault blanking initiated; REFIN deviation
from the internal target voltage (error
comparator threshold); hysteresis = 10mV
Hysteresis = 15°C
Rising edge, PWM disabled below this
level; hysteresis = 100mV
V
ILIM = REF (2.0V)
V
V
V
SKIP = open (3.3V); V
SKIP = open (3.3V); V
SINK
Single Quick-PWM Step-Down
ILIM
ILIM
ILIM
GND
= 3mA
= 0.4V
= 0.4V
= 0.4V,
- V
LX
, SKIP = GND or open
CONDITIONS
FB
FB
A
= V
= V
= +25°C
REFIN
REFIN
+ 50mV
+ 50mV
A
= 0°C to +85°C, unless otherwise spec-
-240
3.95
MIN
250
100
100
0.4
18
92
18
V
TYP
REF
0.30
-200
±50
300
200
200
160
100
0.7
4.2
-24
20
30
35
5
5
5
1
+
MAX
V
-160
4.45
350
350
350
108
0.4
22
REF
1
UNITS
kHz
mV
mV
mV
mV
mV
mV
mV
µA
°C
µs
µs
µs
V
V
V
V
3