MAX1847EEE Maxim Integrated Products, MAX1847EEE Datasheet - Page 7

• 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

(Circuit references are from Table 1 in the Main Application Circuits section, C
noted.)
SHDN
V
I
V
LOAD
OUT
OUT
I
0
L
I
L
_______________________________________________________________________________________
LOAD-TRANSIENT RESPONSE
ENTERING SHUTDOWN
APPLICATION CIRCUIT B
APPLICATION CIRCUIT B
I
LOAD
= 10mA to 400mA
1ms/div
2ms/div
V
MAX1846/7 toc16
MAX1846/7 toc19
OUT
LX
I
L
High-Efficiency, Current-Mode,
Typical Operating Characteristics (continued)
500mV/div
1A/div
5V/div
5V/div
1A/div
LIGHT-LOAD SWITCHING
APPLICATION CIRCUIT B
WAVEFORM
I
LOAD
1µs/div
Inverting PWM Controller
= 50mA
V
I
V
LOAD
OUT
OUT
MAX1846/7 toc18
LX
I
I
L
L
VL
= 0.47µF, C
LOAD-TRANSIENT RESPONSE
HEAVY-LOAD SWITCHING
100mV/div
1A/div
10V/div
APPLICATION CIRCUIT B
APPLICATION CIRCUIT C
I
LOAD
WAVEFORM
I
LOAD
400µs/div
= 4mA to 100mA
REF
1µs/div
= 600mA
= 0.1µF, T
MAX1846/7 toc17
MAX1846/7 toc20
A
= +25°C, unless otherwise
200mV/div
500mA/div
100mV/div
1A/div
10V/div
7