MAX5033CASA+ Maxim Integrated Products, MAX5033CASA+ Datasheet - Page 7

• Manufacturer Part Number: MAX5033CASA+
• Description: IC DC-DC CONV HI EFF 8-SOIC
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX5033CASA+

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 12V
• Current - Output: 500mA
• Frequency - Switching: 125kHz
• Voltage - Input: 7.5 ~ 76 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Power - Output: 471mW
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(V
Operating 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
MAX5033BASA LX WAVEFORMS
, 2V/div
, 2V/div
ON/OFF
(I
4µs/div
1ms/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 toc20
MAX5033 toc23
= 30mA)
A
B
A
0
B
0
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