MAX1846EUB+ Maxim Integrated Products, MAX1846EUB+ Datasheet - Page 6

• 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

High-Efficiency, Current-Mode,
Inverting PWM Controller
(Circuit references are from Table 1 in the Main Application Circuits section, C
noted.)
6
1.260
1.255
1.250
1.245
1.240
302
301
300
299
298
297
296
295
294
_______________________________________________________________________________________
16
14
12
10
8
6
4
2
0
-40
0
-40
REFERENCE LOAD REGULATION
-20
SHUTDOWN SUPPLY CURRENT
-20
100
V
IN
SWITCHING FREQUENCY
= 16.5V
vs. TEMPERATURE
vs. TEMPERATURE
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
200
I
REF
20
20
(µA)
V
IN
300
40
40
R
= 10V
FREQ
V
IN
= 147kΩ ±1%
60
60
= 3V
400
80
80
500
100
100
4.340
4.300
4.260
4.220
4.180
4.140
4.100
Typical Operating Characteristics (continued)
160
140
120
100
14
12
10
80
60
40
20
8
6
4
2
0
0
-40
-40
0
-20
-20
A: V
B: V
C: V
APPLICATION CIRCUIT A
2000
IN
IN
IN
OPERATING CURRENT
EXT RISE/FALL TIME
= 5V, V
= 3V, V
= 16.5V, V
vs. TEMPERATURE
vs. TEMPERATURE
vs. CAPACITANCE
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
CAPACITANCE (pF)
VL VOLTAGE
4000
OUT
OUT
20
20
FALL TIME
OUT
= -5V
= -12V
= -5V
40
40
6000
RISE TIME
60
60
VL
8000
V
= 0.47µF, C
I
IN
VL
80
80
= 12V
= 0
A
C
B
10,000
100
100
REF
SHDN
V
4.27
4.26
4.25
4.24
4.23
4.22
500
400
300
200
100
OUT
= 0.1µF, T
0
I
0
L
0
0
0.2
100
0.4 0.6
SWITCHING FREQUENCY
A
VL LOAD REGULATION
EXITING SHUTDOWN
APPLICATION CIRCUIT B
= +25°C, unless otherwise
200
vs. R
0.8 1.0
R
FREQ
I
1ms/div
VL
300
(mA)
FREQ
(kΩ)
1.2 1.4 1.6 1.8 2.0
400
MAX1846/7 toc15
500
600
5V/div
5V/div
1A/div