MC34063EBN STMicroelectronics, MC34063EBN Datasheet - Page 11

• Manufacturer Part Number: MC34063EBN
• Description: IC CTRL CIRCUIT DC-DC CONV 8-DIP
• Manufacturer: STMicroelectronics
• Type: Step-Down (Buck), Step-Up (Boost), Invertingr

Specifications of MC34063EBN

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.25 ~ 38 V
• Current - Output: 1.5A
• Frequency - Switching: 100kHz
• Voltage - Input: 3 ~ 40 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: 8-DIP (0.300", 7.62mm)
• Applications: Controller, DCDC Converting
• Mounting Style: Through Hole
• Efficiency: 89 %
• Input / Supply Voltage (max): 50 V
• Input / Supply Voltage (min): 1.5 V
• Load Regulation: 10 mV
• Maximum Operating Temperature: + 125 C
• Maximum Power Dissipation: 1.25 W.
• Minimum Operating Temperature: - 40 C
• Operating Temperature Range: - 40 C to + 125 C
• Supply Current: 1.5 mA
• Switching Frequency: 24 KHz to 42 KHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-7414-5; MC34063EBN

Figure 15. Step-down converter
Figure 16. Printed evaluation board
Table 10.
Line regulation
Load regulation
Output ripple
Efficiency
I
SC
Test
Test condition (V
V
V
V
V
V
IN
IN
IN
IN
IN
= 15 to 25 V, I
= 25 V, I
= 25 V, I
= 25 V, I
= 25 V, R
OUT
= 5 V)
O
O
O
LOAD
= 50 to 500 mA
= 500 mA
= 500 mA
O
= 0.1 Ω
= 500 mA
Conditions
PIN 2 = GND
PIN 1 = V
PIN 3 = GND
PIN 4 = V
Value (typ.)
100
1.2
30
80
5
OUT
IN
Unit
mV
mV
mV
11/23
%
A