Datasheet

STARTUP RESPONSE (SKIP MODE)
MAX16952 toc01
10V/div
0V
0V
0V
0A
2V/div
2A/div
5V/div
V
SUP
V
OUT
I
LOAD
V
PGOOD
2ms/div
2.2MHz/3.3V
STARTUP RESPONSE (SKIP MODE)
MAX16952 toc02
10V/div
2V/div
2A/div
5V/div
V
SUP
V
OUT
I
LOAD
V
PGOOD
2ms/div
2.2MHz/5V
SKIP MODE SUPPLY CURRENT vs. V
SUP
MAX16952 toc03
V
SUP
(V)
I
SKIP
(µA)
3126211611
10
20
30
40
50
60
70
80
90
100
0
636
2.2MHz/5V
PWM MODE SUPPLY CURRENT vs. V
SUP
MAX16952 toc04
V
SUP
(V)
I
PWM
(mA)
3126211611
10
20
30
40
50
60
70
80
90
100
0
636
2.2MHz/5V
EFFICIENCY vs. LOAD CURRENT
MAX16952 toc05
LOAD CURRENT (A)
EFFICIENCY (%)
3.53.02.0 2.51.0 1.50.5
10
20
30
40
50
60
70
80
90
100
0
04.0
V
OUT
= 5V V
OUT
= 3.3V
FIXED-FREQUENCY MODE
EFFICIENCY vs. LOAD CURRENT
MAXA16952 toc06
LOAD CURRENT (A)
EFFICIENCY (%)
10.10.010.001
10
20
30
40
50
60
70
80
90
100
0
0.0001 10
SKIP MODE
V
OUT
= 5V
V
OUT
= 3.3V
SWITCHING FREQUENCY vs. R
FOSC
MAX16952 toc07
R
FOSC
(kI)
SWITHCING FREQUENCY (MHz)
3530252015
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
2.8
3.0
1.0
10 40
Typical Operating Characteristics
(V
SUP
= V
EN
= 14V, C
IN
= 47μF, C
OUT
= 94μF, C
BIAS
= 2.2μF, C
BST
= 0.1μF, R
FOSC
= 13kΩ, V
FB
= V
BIAS
, R
BST
= 75Ω, T
A
= +25°C,
unless otherwise noted.)
Maxim Integrated | 5www.maximintegrated.com
MAX16952
36V, 2.2MHz Step-Down Controller
with Low Operating Current