MAX1847EEE Maxim Integrated Products, MAX1847EEE Datasheet - Page 4

• 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
ELECTRICAL CHARACTERISTICS
(V
unless otherwise noted.) (Note 3)
4
PWM CONTROLLER
Operating Input Voltage Range
UVLO Threshold
FB Threshold
FB Input Current
Load Regulation
Current Limit Threshold
CS Input Current
Supply Current
Shutdown Supply Current
REFERENCE AND VL REGULATOR
REF Output Voltage
REF Load Regulation
VL Output Voltage
VL Load Regulation
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
SHDN
_______________________________________________________________________________________
= V
PARAMETER
IN
= +12V, SYNC = GND, PGND = GND, R
V
V
No load
V
C
I
CS = GND
V
SHDN = GND, V
I
I
I
I
R
R
R
R
(Note 2)
OUT
REF
REF
VL
VL
IN
IN
FB
FB
FREQ
FREQ
FREQ
FREQ
COMP
= 100µA
= 0.1mA to 2.0mA
rising
falling
= -0.1V
= -0.1V, V
= 20mA to 200mA (Note 1)
= 50µA
= 0 to 500µA
= 500kΩ ±1%
= 147kΩ ±1%
= 500kΩ ±1%
= 147kΩ ±1%
= 0.068µF, V
IN
= +3.0V to +16.5V
IN
= +3.0V to +16.5V
FREQ
OUT
CONDITIONS
= -48V,
= 147kΩ ±1%, C
VL
= 0.47µF, C
REF
1.225
3.85
MIN
255
100
3.0
2.6
-20
-50
2.0
85
84
93
84
-2
7
= 0.1µF, T
A
= -40°C to +85°C,
1.275
MAX
16.5
2.95
4.65
0.45
+20
+50
115
116
345
200
200
550
1.2
-15
-60
20
25
98
93
93
0
UNITS
kHz
kHz
mV
mV
mA
mV
mV
nA
µA
µA
ns
ns
%
%
%
V
V
V
V
V
V