MAX5051AUI+ Maxim Integrated Products, MAX5051AUI+ Datasheet - Page 5

• Manufacturer Part Number: MAX5051AUI+
• Description: IC PWR SPLY CNTRLR 28-TSSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX5051AUI+

• Pwm Type: Voltage Mode
• Number Of Outputs: 1
• Frequency - Max: 500kHz
• Duty Cycle: 48%
• Voltage - Supply: 11 V ~ 76 V
• Buck: No
• Boost: Yes
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-TSSOP Exposed Pad, 28-eTSSOP, 28-HTSSOP
• Frequency-max: 500kHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(AVIN = 12V, PVIN = 12V, V
C
ence outputs unconnected except for bypass capacitors.)
HIGH-SIDE MOSFET DRIVER (BST, DRVH, XFRMRH)
Peak Source Current
Peak Sink Current
DRVH Resistance Sourcing
DRVH Resistance Sinking
Skew Between Low-Side and
High-Side Drivers
BOOST CAPACITOR CHARGE MOSFET (DRVB)
DRVB Resistance Sourcing
DRVB Resistance Sinking
Delay from Clock Fall
One-Shot Pulse Width
STARTUP (STARTUP)
Startup Threshold
Startup Threshold Hysteresis
Internal Pullup Current
S TARTU P P ul l d ow n M OS FE T
R
OVERTEMPERATURE SHUTDOWN
Shutdown Junction Temperature
Hysteresis
REG5
D S ( ON )
= 4.7µF, T
PARAMETER
A
= T
_______________________________________________________________________________________
MIN
to T
UVLO
MAX
, unless otherwise noted. Typical values are at T
= V
V
SYMBOL
I
Parallelable, Clamped Two-Switch
STARTUP
STARTUP
STT
= 3V, V
V
V
V
V
I
V
I
V
I
I
V
Sinking 10mA
Temperature rising
DRVH
DRVH
DRVB
DRVB
D RV H
B S T
D RV H
B S T
XFRMRH
XFRMRH
STARTUP
CON
= V
= V
= 50mA, V
= -50mA, V
= 50mA
= 50mA
= 3V, R
= GN D , p ul se w i d th < 100ns,
= V
Power-Supply Controller IC
R E G9
R E G9
= 0V
= 0V
B S T
rising
, V
, V
, p ul se w i d th < 100ns,
CONDITIONS
RCOSC
X FR M R H
X FR M R H
BST
BST
= V
= V
= 24kΩ, C
= 0V
= 0V
REG9
REG9
,
,
A
CSS
= +25°C. All driver, voltage-regulator, and refer-
= 10nF, C
MIN
1.4
8
5
RCOSC
TYP
= 100pF, C
200
300
330
150
1.7
0.6
50
50
10
2
5
0
MAX
100
3.5
1.4
2.1
35
35
REG9
= 4.7µF,
UNITS
mV
µA
ns
ns
ns
°C
°C
Ω
Ω
Ω
Ω
Ω
A
A
V
5