el7581 Intersil Corporation, el7581 Datasheet - Page 10

• Manufacturer Part Number: el7581
• Description: 3-channel Dc/dc Converter
• Manufacturer: Intersil Corporation

Typical Performance Curves
Block Diagram
62kΩ
R
3
ENBN
R
OSC
REFERENCE
GENERATOR
10
FIGURE 31. PACKAGE POWER DISSIPATION vs AMBIENT TEMPERATURE
MAX_DUTY
V
V
RAMP
REF
FBB
(Continued)
13kΩ
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
R
1
0
PWM
COMPARATOR
1
0
JEDEC JESD51-3 LOW EFFECTIVE THERMAL
CONDUCTIVITY TEST BOARD
800mW
25
110kΩ
AMBIENT TEMPERATURE (°C)
R
OSCILLATOR
START-UP
2
EL7581
50
0.1µF
49Ω
75
85
V
V
DDB
SSB
100
V
OUT
LOGIC
I
PWM
LOUT
125
+
-
10µF
7.2K
150
12µA
SS
0.1µF
LX
PGND
0.15Ω
80mΩ
10µH
10µF
V
IN