MAX5033 MAXIM [Maxim Integrated Products], MAX5033 Datasheet - Page 7

• Manufacturer Part Number: MAX5033
• Description: 500mA, 76V, High-Efficiency, MAXPower Step-Down DC-DC Converter
• Manufacturer: MAXIM [Maxim Integrated Products]

(V
Application Circuit, if applicable.)
IN
A: SWITCH VOLTAGE (LX PIN) 20V/div, V
B: INDUCTOR CURRENT, 200mA/div, (I
A: V
B: V
MAX5033BASA STARTUP WAVEFORM
= 12V, V
ON/OFF
OUT
, 2V/div
, 2V/div
LX WAVEFORMS
MAX5033BASA
ON/OFF
(I
1ms/div
4µs/div
O
= 0)
_______________________________________________________________________________________
500mA, 76V, High-Efficiency, MAXPower
= 12V, T
OUT
MAX5033 toc19
MAX5033 toc22
IN
A
= 500mA)
= 48V
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
0
B
A
B
A: V
B: V
A: SWITCH VOLTAGE, 20V/div, V
B: INDUCTOR CURRENT, 100mA/div (I
MAX5033BASA STARTUP WAVEFORM
Typical Operating Characteristics (continued)
ON/OFF
OUT
MAX5033BASA LX WAVEFORMS
, 2V/div
Step-Down DC-DC Converter
, 2V/div
(I
O
1ms/div
4µs/div
= 0.5A)
IN
= 48V
OUT
MAX5033 toc23
MAX5033 toc20
= 30mA)
A
0
B
0
A
B
2.0
1.7
1.4
1.1
0.8
0.5
6
A: SWITCH VOLTAGE (LX PIN), 20V/div, V
B: INDUCTOR CURRENT, 100mA/div (I
MAX5033BASA LX WAVEFORMS
PEAK SWITCH CURRENT LIMIT
16
vs. INPUT VOLTAGE
26
INPUT VOLTAGE (V)
A
= +25°C. See the Typical
36
4µs/div
46
MAX5033BASA
V
5% DROP IN V
OUT
56
= 5V
OUT
MAX5033 toc21
IN
66
= 0)
= 48V
OUT
76
A
0
B
0
7