AP5100WG-7 Diodes Inc, AP5100WG-7 Datasheet - Page 2

• Manufacturer Part Number: AP5100WG-7
• Description: IC PWM BUCK CM 26SOT
• Manufacturer: Diodes Inc

Specifications of AP5100WG-7

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 1.7MHz
• Duty Cycle: 87%
• Voltage - Supply: 4.75 V ~ 24 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: -25°C ~ 85°C
• Package / Case: SOT-26
• Frequency-max: 1.7MHz
• Mounting Style: SMD/SMT
• Duty Cycle (max): 87 %
• Efficiency: 90 %
• Input / Supply Voltage (max): 24 V
• Input / Supply Voltage (min): 4.75 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 25 C
• Operating Temperature Range: - 25 C to + 85 C
• Output Voltage: 3.3 V
• Supply Current: 0.4 mA
• Switching Frequency: 1.4 MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: AP5100WG-7DITR

Typical Application Circuit
AP5100
Document number: DS32130 Rev. 2 - 2
6V -12V
V
OFF
OFF
V
IN
10µF
25V
IN
C1
10µF
25V
C1
ON
ON
100Kohm
100kohm
R3
R3
5
4
Figure 3. 1.4MHz, 3.3V Output at 1A Step-Down Converter
5
4
EN
IN
- Vout
(continiued)
AP5100
EN
IN
GND
AP5100
Figure 4. White LED Driver Application
GND
BST
SW
FB
BST
SW
1.2A Step-Down Converter with 1.4MHz Switching
FB
www.diodes.com
1
6
3
10nF
200Kohm
C3
2 of 10
1N5819HW-7
1
6
3
1%
R4
22nF
C3
D1
- Vout
B230A
D1
10µH
L1
40 ohm
- Vout
1%
R2
3.3µH
49.9kohm
16.2kohm
L1
- Vout
R1
R2
100pF
10µF
16V
C2
C6
AP5100
© Diodes Incorporated
November 2010
Frequency
22µF
6.3V
C2
V
3.3V
OUT
LED1
LED 2
LED 3