MAX1847EEE Maxim Integrated Products, MAX1847EEE Datasheet - Page 6

• Manufacturer Part Number: MAX1847EEE
• Description: Current Mode PWM Controllers
• Manufacturer: Maxim Integrated Products

Specifications of MAX1847EEE

• Case: ssop
• Dc: 05+
• 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