Datasheet

LINE REGULATION (PWM MODE)
MAX16952 toc21
V
SUP
(V)
V
OUT
(V)
3126211611
4.70
4.80
4.90
5.00
5.10
5.20
4.60
636
+25°C
-40°C
+125°C
2.2MHz/5V
LINE REGULATION (SKIP MODE)
MAX16952 toc22
V
SUP
(V)
V
OUT
(V)
3126211611
4.6
4.7
4.8
4.9
5.0
5.1
5.2
5.3
5.4
5.5
4.5
636
-40°C
2.2MHz/5V
+25°C
+125°C
V
BIAS
vs. I
BIAS
MAX16952 toc23
I
BAIS
(mA)
V
BIAS
(V)
908070605040302010
4.4
4.6
4.8
5.0
5.2
4.2
0 100
-40°C
+25°C
+125°C
2.2MHz/5V
SHUTDOWN CURRENT vs. V
SUP
MAX16952 toc24
V
SUP
(V)
SHUTDOWN CURRENT (µA)
333024 279 12 15 18 216
2
4
6
8
10
12
14
16
18
20
0
336
SHUTDOWN CURRENT vs. TEMPERATURE
MAX16952 toc25
TEMPERATURE (°C)
SHUTDOWN CURRENT (µA)
1109580655035205-10-25
10.35
10.40
10.45
10.50
10.55
10.60
10.30
-40
V
SUP
= 14V
V
EN
= 0V
125
SWITCHING FREQUENCY
vs. LOAD CURRENT
MAX16952 toc26
I
LOAD
(A)
FREQUENCY (MHz)
3.53.02.52.01.51.00.5
2.1
2.2
2.3
2.4
2.5
2.0
0 4.0
2.2MHz/5V
PWM MODE
DIPS AND DROP TEST (PWM MODE)
MAX16952 toc27
10V/div
5V/div
0V
0V
0V
0V
10V/div
5V/div
V
SUP
2.2MHz/5V
I
LOAD
= 4A
V
OUT
V
LX
V
PGOOD
10ms/div
DIPS AND DROP TEST (PWM MODE)
MAX16952 toc28
10V/div
5V/div
0V
0V
0V
0V
10V/div
5V/div
V
SUP
2.2MHz/3.3V
I
LOAD
= 4A
V
OUT
V
LX
V
PGOOD
10ms/div
Maxim Integrated | 8www.maximintegrated.com
MAX16952
36V, 2.2MHz Step-Down Controller
with Low Operating Current
Typical Operating Characteristics (continued)
(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.)