MAX8599ETE+ Maxim Integrated Products, MAX8599ETE+ Datasheet - Page 4

• Manufacturer Part Number: MAX8599ETE+
• Description: IC CNTRLR STP DWN LDO 16-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX8599ETE+

• Pwm Type: Controller
• Number Of Outputs: 1
• Frequency - Max: 1.4MHz
• Duty Cycle: 99.5%
• Voltage - Supply: 4.5 V ~ 28 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 16-TQFN Exposed Pad
• Frequency-max: 1.4MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Low-Dropout, Wide-Input-Voltage,
Step-Down Controllers
ELECTRICAL CHARACTERISTICS (continued)
(V
V
unless otherwise noted.)
ELECTRICAL CHARACTERISTICS
(V
V
unless otherwise noted.) (Note 1)
Dual Mode is a trademark of Maxim Integrated Products, Inc.
4
REFIN INPUT (MAX8597 only)
REFIN Input Voltage Range
REFIN Dual Mode™ Threshold
REFIN Input Bias Current
OV AND UV FAULT COMPARATORS
Upper FB Fault Threshold (OV)
Lower FB Fault Threshold (UV)
POWER-OK OUTPUT (POK) (MAX8598/MAX8599 only)
POK Delay
Lower FB POK Threshold
POK Output Low Level
POK Output High Leakage
GENERAL
V+ Operating Range
V+/VL Operating Range
V+ Operating Supply Current
VL REGULATOR
Output Voltage
VL Undervoltage-Lockout Trip
Level
REFERENCE (MAX8597 only)
REFOUT Output Voltage
REFOUT Load Regulation
CURRENT-LIMIT COMPARATOR (all current limits are tested at V
ILIM Sink Current
Comparator Input Offset Voltage
Error
SOFT-START
Soft-Start Source Current
Soft-Start Sink Current
LX
LX
V+
V+
_______________________________________________________________________________________
- 0.2V, V
- 0.2V, V
= V
= V
VL
VL
PARAMETER
PARAMETER
= V
= V
FB
FB
AVL
AVL
= 0.65V, GND = PGND = 0V, C
= 0.65V, GND = PGND = 0V, C
= V
= V
EN
EN
= V
= V
REFIN
REFIN
V
Rising edge, hysteresis = 15mV (MAX8599 only)
Falling edge, hysteresis = 15mV
For both FB rising and falling edges
FB falling, hysteresis = 20mV
I
V
= 5V, V
= 5V, V
V+ = VL
V
5.5V < V
Rising edge, typical hysteresis = 460mV
I
I
V
V
V
SINK
REFOUT
REFOUT
REFIN
POK
V+
ILIM
SS
SS
= 12V, VL unloaded, no MOSFETs connected, V
= 100mV
= (0.6V or V
= 2mA
= V
= 5.5V
= 1.25V or 2.5V
BST
BST
V+
= 150µA, V
= 10µA to 1mA
LX
< 28V, 1mA < I
= 6V, V
= 6V, V
SS
- 0.2V, 1.8V < V
SS
= 0.01µF, R
= 0.01µF, R
REFIN
LX
LX
V+
)
= 1V, C
= 1V, C
= V
CONDITIONS
CONDITIONS
VL
FREQ
LOAD
FREQ
LX
= 4.5V or 5.5V
VL
VL
< 28V, V
= 20kΩ, T
< 35mA
= 4.7µF, C
= 4.7µF, C
= 20kΩ, T
V+
= V
BST
VL
A
= 4.5V and 5.5V)
= V
REFOUT
A
REFOUT
= -40°C to +85°C, typical values are at T
= 0°C to +85°C, typical values are at T
LX
+ 5V
= 1µF, V
= 1µF, V
FB
= 0V
AIN-
AIN-
V
-250
MIN
4.05
2.47
115
MIN
AVL
180
1.0
5.5
4.5
4.7
-10
67
85
= V
= V
0
3
3
-
AOUT
AOUT
TYP
TYP
117
70
88
, V
8
, V
AIN+
AIN+
V
+250
MAX
MAX
2.75
28.0
4.35
2.51
120
+10
AVL
220
0.5
0.4
5.5
5.0
5.3
= 2.5V, V
73
90
= 2.5V, V
10
5
7
7
-
A
A
= +25°C,
= +25°C,
UNITS
cycles
UNITS
Clock
mA
mV
mV
nA
µA
ILIM
ILIM
µA
µA
µA
%
%
%
V
V
V
V
V
V
V
V
=
=