max5090aatet Maxim Integrated Products, Inc., max5090aatet Datasheet - Page 3

• Manufacturer Part Number: max5090aatet
• Description: Max5090, Max5090a, Max5090b, Max5090c 2a, 76v, High-efficiency Maxpower Step-down Dc-dc Converters
• Manufacturer: Maxim Integrated Products, Inc.

ELECTRICAL CHARACTERISTICS (continued)
(V
T
Note 1: All limits at -40°C are guaranteed by design, not production tested.
Note 2: For total current consumption during switching (at no load), also see the Typical Operating Characteristics.
Note 3: Switch current at which the current-limit circuit is activated.
Note 4: Limits are guaranteed by design.
A
Soft-Start Reference Voltage
INTERNAL SWITCH/CURRENT LIMIT
Peak Switch Current Limit
Switch Leakage Current
Switch On-Resistance
PFM Threshold
PFM Threshold
FB Input Bias Current
ON/OFF CONTROL INPUT
ON/OFF Input-Voltage
Threshold
ON/OFF Input-Voltage
Hysteresis
ON/OFF Input Current
OSCILLATOR/SYNCHRONIZATION
Oscillator Frequency
Synchronization
Maximum Duty Cycle
SYNC High-Level Voltage
SYNC Low-Level Voltage
SYNC Minimum Pulse Width
SYNC Input Leakage
INTERNAL VOLTAGE REGULATOR
Regulator Output Voltage
Dropout Voltage
Load Regulation
PACKAGE THERMAL CHARACTERISTICS
Thermal Resistance
(Junction to Ambient)
THERMAL SHUTDOWN
Thermal-Shutdown Junction
Temperature
Thermal-Shutdown
Hysteresis
IN
2A, 76V, High-Efficiency MAXPower Step-Down
= +25°C. See the Typical Operating Circuit.) (Note 1)
= +12V, V
PARAMETER
ON/OFF
_______________________________________________________________________________________
= +12V, V
∆VD/∆I
SYMBOL
V
R
V
I
V
ON/OFF
SYNC
SS(REF)
T
ON/OFF
f
D
DS(ON)
I
I
SYNC
I
f
T
I
PFM
PFM
HYST
HYST
θ
LIM
0SC
VD
OL
I
MAX
SH
B
JA
VD
= 0V, I
(Note 3)
V
I
Minimum switch current in any cycle
Minimum switch current in any cycle at T
(Note 4)
MAX5090C, V
Rising trip point
V
V
V
TQFN package (JEDEC 51)
Temperature rising
SWITCH
6.5V ≤ V
0 to 15mA
IN
ON/OFF
IN
IN
OUT
= 76V, V
= 6.5V to 76V, V
= 9V to 76V, I
= 0, T
= 1A
= 0V to V
IN
≤ 8.5V, I
ON/OFF
FB
A
= T
= 1.2V
OUT
IN
CONDITIONS
OUT
= 0V, V
OUT
J
= -40°C to +125°C, unless otherwise noted. Typical values are at
= 0
= 15mA
≤ 11V
LX
= 0V
DC-DC Converters
J
≤ +25°C
1.180
1.23
-150
MIN
106
119
2.4
-10
2.0
14
7.0
80
-1
1
+175
+0.1
TYP
1.46
0.26
1.38
100
127
3.3
7.8
0.5
60
10
95
10
30
20
1.546
+150
MAX
1.65
+10
100
150
300
300
200
350
5.0
0.4
0.8
8.4
+1
UNITS
°C/W
kHz
kHz
mA
mA
mV
µA
nA
nA
µA
ns
%
°C
°C
Ω
V
A
V
V
V
Ω
V
V
3