MAX1846EUB+ Maxim Integrated Products, MAX1846EUB+ Datasheet - Page 3

• Manufacturer Part Number: MAX1846EUB+
• Description: IC CNTRLR PWM HI EFF 10-UMAX
• Manufacturer: Maxim Integrated Products
• Type: Inverting, Flybackr

Specifications of MAX1846EUB+

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: -0.5 ~ -200 V
• Current - Output: 5A
• Frequency - Switching: 100kHz ~ 500kHz
• Voltage - Input: 3 ~ 16.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Power - Output: 444mW
• Duty Cycle (max): 97 %
• Output Voltage: 1.25 V
• Mounting Style: SMD/SMT
• Switching Frequency: 500 KHz
• Operating Supply Voltage: 3 V to 16.5 V
• Supply Current: 0.75 mA
• Maximum Operating Temperature: + 85 C
• Fall Time: 200 ns
• Minimum Operating Temperature: - 40 C
• Output Power: 444 mW
• Rise Time: 200 ns
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V
otherwise noted.)
Note 1: Production test correlates to operating conditions.
Note 2: Guaranteed by design and characterization.
OSCILLATOR
Oscillator Frequency
Maximum Duty Cycle
SYNC Input Signal Duty-Cycle
Range
Minimum SYNC Input Logic-Low
Pulse Width
SYNC Input Rise/Fall Time
SYNC Input Frequency Range
DIGITAL INPUTS
POL, SYNC, SHDN Input High
Voltage
POL, SYNC, SHDN Input Low
Voltage
POL, SYNC Input Current
SHDN Input Current
SOFT-START
Soft-Start Clock Cycles
Soft-Start Levels
EXT OUTPUT
EXT Sink/Source Current
EXT On-Resistance
SHDN
= V
IN
= +12V, SYNC = GND, PGND = GND, R
_______________________________________________________________________________________
R
R
R
R
R
R
(Note 2)
POL, SYNC = GND or VL
V
V
V
EXT high or low, tested with 100mA load, V
EXT high or low, tested with 100mA load, V
SHDN
SHDN
IN
FREQ
FREQ
FREQ
FREQ
FREQ
FREQ
= +5V, V
= 500kΩ ±1%
= 147kΩ ±1%
= 76.8kΩ ±1%
= 500kΩ ±1%
= 147kΩ ±1%
= 76.8kΩ ±1%
= +5V or GND
= +16.5V
High-Efficiency, Current-Mode,
EXT
forced to +2.5V
FREQ
= 147kΩ ±1%, C
Inverting PWM Controller
VL
IN
IN
= 0.47µF, C
= +5V
= +3V
REF
= 0.1µF, T
255
100
2.0
-12
90
93
85
7
A
1024
100
300
500
1.5
96
88
80
50
20
64
-4
= 0°C to +85°C, unless
1
2
5
0.45
110
345
200
200
550
97
90
93
40
10
0
6
5
Cycles
kHz
kHz
µA
µA
ns
ns
%
%
Ω
V
V
A
3