MAX8598ETE+ Maxim Integrated Products, MAX8598ETE+ Datasheet - Page 5

• Manufacturer Part Number: MAX8598ETE+
• Description: IC CNTRLR STP DWN LDO 16-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX8598ETE+

• 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

ELECTRICAL CHARACTERISTICS (continued)
(V
V
unless otherwise noted.) (Note 1)
FREQUENCY
Frequency
DH Minimum Off-Time
DH Minimum On-Time
FB ERROR AMPLIFIER
FB Input Bias Current
FB Input Voltage Set Point
FB Offset Error
Error-Amp Open-Loop Voltage
Gain
UNCOMMITTED OPERATIONAL AMPLIFIER (MAX8597 only)
Output Voltage Swing High
Output Voltage Swing Low
Input Offset Voltage
Input Common-Mode Range
(CMVR)
DRIVERS
DH On-Resistance in Low State
DH On-Resistance in High State
DL On-Resistance in Low State
DL On-Resistance in High State
BST Bias Current
LX Bias Current
BST/LX Leakage Current
LOGIC INPUTS (EN)
Input Low Level
Input High Level
Input Bias Current
REFIN INPUT (MAX8597 only)
REFIN Input Voltage Range
REFIN Dual-Mode Threshold
REFIN Input Bias Current
LX
V+
- 0.2V, V
= V
VL
PARAMETER
= V
FB
AVL
= 0.65V, GND = PGND = 0V, C
= V
_______________________________________________________________________________________
EN
= V
REFIN
R
R
R
Over load and line
V
V
V
V
V
V
V
V
V
V
V
V
4.5V < V
4.5V < V
V
V
= 5V, V
REFIN
COMP
AIN+
AIN+
CM
BST
BST
VL
VL
BST
BST
BST
VL
REFIN
FREQ
FREQ
FREQ
Low-Dropout, Wide-Input-Voltage,
= V
= V
= V
= 1.25V and 2.5V
- V
- V
= 33V, V
= 33V, V
= V
= 2.5V, V
= 2.5V, V
= 100kΩ
= 20.0kΩ
= 14.3kΩ
= 1.25V and 2.5V, measured with respect to REFIN
= 1.25V or 2.5V
= 1.2V to 2.4V
V+
V+
V+
BST
LX
LX
VL
VL
LX
= 5V
= 5V
= V
= 5V
= 5V
= V
= V
= 28V, V
SS
= 6V, V
LX
LX
AVL
V+
V+
= 0.01µF, R
AIN
AIN
= 28V, V
= 28V, V
= V
= V
= 5.5V, V
- = (V
- = (V
LX
EN
AVL
AVL
= 1V, C
CONDITIONS
= 0V
AIN+
AIN+
EN
EN
< 5.5V
< 5.5V
FREQ
EN
= 0V
= 0V
- 100mV), I
+ 100mV), I
VL
= 0 to 5.5V
= 20kΩ, T
= 4.7µF, C
Step-Down Controllers
SOURCE
SINK
A
REFOUT
= -40°C to +85°C, typical values are at T
= 100µA
= 100µA
= 1µF, V
AIN-
V
V
20mV
+0.50
0.591
1100
-250
MIN
+20
140
800
180
AVL
AVL
2.4
1.0
72
-3
-1
= V
0
-
-
AOUT
TYP
, V
AIN+
V
V
0.606
+250
MAX
1200
1700
-520
2.75
240
230
140
150
520
AVL
AVL
-20
2.0
2.5
3.3
1.0
3.5
0.8
0.5
+3
+1
20
50
= 2.5V, V
-
-
A
= +25°C,
UNITS
kHz
mV
mV
mV
nA
dB
µA
µA
µA
µA
nA
ns
ns
ILIM
Ω
Ω
Ω
Ω
V
V
V
V
V
V
V
5
=