MAX8543 MAXIM [Maxim Integrated Products], MAX8543 Datasheet - Page 6

• Manufacturer Part Number: MAX8543
• Description: Step-Down Controllers with Prebias Startup, Lossless Sensing, Synchronization, and OVP
• Manufacturer: MAXIM [Maxim Integrated Products]

Step-Down Controllers with Prebias Startup,
Lossless Sensing, Synchronization, and OVP
ELECTRICAL CHARACTERISTICS (continued)
(V
Note 1: Maximum output voltage is limited by maximum duty cycle and external components.
Note 2: Specifications to -40°C are guaranteed by design and not production tested.
6
POK
Power-OK Threshold
POK Output Voltage, Low
POK Leakage Current, High
OVERVOLTAGE PROTECTION (OVP)
Output Overvoltage Fault-Trip level
MODE CONTROL
MODE Logic-Level Low
MODE Logic-Level High
MODE Input Current
SHUTDOWN CONTROL
EN Logic-Level Low
EN Logic-Level High
EN Input Current
IN
_______________________________________________________________________________________
= 13.2V, V
PARAMETER
BST
- V
LX
= 5V, T
A
= -40°C to +85°C, unless otherwise noted.) (Note 2)
V
typical hysteresis is 3%
V
V
Rising edge compared to regulation set point;
triggers after one or two clock cycles
3V ≤ V
3V ≤ V
V
MODE = VL
3V ≤ V
3V ≤ V
V
V
FB
FB
POK
MODE
EN
EN
rising, percent of V
= 0.6V, I
= 0V or 5.5V
= 13.2V
= 5.5V
VL
VL
VL
VL
= 0V
≤ 5.5V
≤ 5.5V
≤ 5.5V
≤ 5.5V
POK
= 2mA
CONDITIONS
OUT
,
+110
MIN
1.8
88
-1
-1
2
+120
MAX
0.45
200
0.4
+1
+4
94
10
1
6
UNITS
mV
µA
µA
µA
%
%
V
V
V
V