Datasheet

MAX8552
High-Speed, Wide-Input,
Single-Phase MOSFET Driver
4 _______________________________________________________________________________________
Typical Operating Characteristics
(V
CC
= V
DLY
= 5V, C
HS_LOAD
= C
LS_LOAD
= 3000pF, 50% duty ratio.)
0
150
100
50
200
250
B
A
C
300
350
400
450
500
0 400200 600 800 1000 1200
PACKAGE-POWER DISSIPATION
vs. PWM FREQUENCY
MAX8552 toc01
PWM FREQUENCY (kHz)
P
D
(mW)
A: C
HS
= 3300pF; C
LS
= 3300pF
B: C
HS
= 3300pF; C
LS
= 5600pF
C: C
HS
= 1500pF; C
LS
= 3300pF
V
CC
= 6.5V
0
100
50
200
150
300
250
350
450
400
500
1000 2000 25001500 3000 3500 4000 4500 5000
PACKAGE-POWER DISSIPATION
vs. CAPACITIVE LOAD ON DH AND DL
MAX8552 toc02
CAPACITANCE (pF)
P
D
(mW)
A: f
S
= 300kHz
B: f
S
= 600kHz
C: f
S
= 1MHz
C
DH
= C
DL
V
CC
= 6.5V
B
A
C
0
4
2
12
10
6
8
16
14
20
18
1000 2000 3000 4000 5000
DL RISE AND FALL TIMES
vs. CAPACITIVE LOAD
MAX8552 toc03
CAPACITANCE (pF)
RISE AND FALL TIME (ns)
RISE TIME
FALL TIME
0
5
15
10
20
25
1000 2000 25001500 3000 3500 4000 4500 5000
DH RISE AND FALL TIMES
vs. CAPACITIVE LOAD
MAX8552 toc04
CAPACITANCE (pF)
RISE AND FALL TIME (ns)
RISE TIME
FALL TIME
0
2
4
10
8
6
14
16
12
18
-40 20 40-20 0 60 80 100 120
DH AND DL RISE AND FALL TIMES
vs. TEMPERATURE
MAX8552 toc05
TEMPERATURE (
°
C)
RISE AND FALL TIME (ns)
DH RISE
DL RISE
DH FALL
DL FALL
0
0.2
0.4
0.6
0.8
1.0
1.2
0 400200 600 800 1000 1200
CONTROL-CIRCUITRY CURRENT
vs. PWM FREQUENCY
MAX8552 toc06
PWM FREQUENCY (kHz)
I
GND
(mA)
V
CC
= 6.5V
V
CC
= 5V
V
EN
= 0V
0
5
10
15
20
25
30
-40 0-20 20 40 60 80 100 120
PROPAGATION DELAY
vs. TEMPERATURE
MAX8552 toc07
TEMPERATURE (°C)
PROPAGATION DELAY (ns)
DL FALL TO DH RISE
PWM RISE TO DL FALL
PWM FALL TO DH FALL
0
60
40
20
80
100
120
140
160
180
200
54525 65 85 105 125
PROGRAMMABLE DELAY (t
DLY
)
vs. R
DLY
MAX8552 toc08
R
DLY
(kΩ)
PROGRAMMABLE DELAY (ns)
TYPICAL APPLICATION CIRCUIT
SWITCHING WAVEFORMS
MAX8552 toc09
V
PWM
V
DH
V
DL
V
LX
5V/div
10V/div
5V/div
20V/div
100ns/div