ADP1621ARMZ-R7 Analog Devices Inc, ADP1621ARMZ-R7 Datasheet - Page 24

• Manufacturer Part Number: ADP1621ARMZ-R7
• Description: IC CTRLR DC/DC PWM STEPUP 10MSOP
• Manufacturer: Analog Devices Inc
• Type: Step-Up (Boost)r

Specifications of ADP1621ARMZ-R7

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Current - Output: 1A
• Frequency - Switching: 100kHz ~ 1.5MHz
• Voltage - Input: 2.9 ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Primary Input Voltage: 5.5V
• No. Of Outputs: 1
• Output Current: 1A
• No. Of Pins: 10
• Operating Temperature Range: -40°C To +125°C
• Msl: MSL 1 - Unlimited
• Frequency Max: 1.5MHz
• Termination Type: SMD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: ADP1621-EVALZ - BOARD EVALUATION FOR ADP1621
• Voltage - Output: -
• Power - Output: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: ADP1621ARMZ-R7; ADP1621ARMZ-R7TR

ADP1621
220pF
220pF
f
C1 = MURATA GRM31CR60J476M
C
L1 = COILCRAFT MSS1260-103ML
f
C1 = MURATA GRM31CR60J476M
C
L1 = COILCRAFT MSS1260-103ML
Q1 = SIGNAL NPN TRANSISTOR
OSC
OSC
OUT2
OUT2
1µF
10V
1µF
10V
C3
C2
C3
C2
= 600kHz
= 600kHz
= RUBYCON 25ZL330M8x16
= RUBYCON 25ZL330M8x16
0.1µF
0.1µF
10V
R
51.5kΩ
10V
R
51.5kΩ
C
330pF
C
330pF
C4
D3
C4
COMP
COMP
Figure 34. Bootstrapped Application Circuit for V
Figure 35. Bootstrapped Application Circuit for V
COMP
COMP
R
31.6kΩ
1%
R
31.6kΩ
1%
FREQ
FREQ
SDSN
COMP
FREQ
SDSN
COMP
FREQ
ADP1621
ADP1621
D2
AGND
AGND
PIN
PIN
Rev. A | Page 24 of 32
D2
M1 = IRF7470
D1 = VISHAY SSC53L
D2 = SIGNAL DIODE
M1 = IRF7470
D1 = VISHAY SSC53L
D2, D3 = SIGNAL DIODE
GND
GND
PGND
PGND
GATE
GATE
Q1
IN
IN
CS
FB
CS
FB
1.5kΩ
700Ω
R3
R3
200Ω
200Ω
R
R
S
S
V
V
M1
M1
IN
L1
10µH
IN
L1
10µH
= 3.3V
= 3.3V
88.7kΩ
88.7kΩ
D1
D1
10kΩ
10kΩ
1%
1%
1%
1%
R1
R2
R1
R2
OUT
OUT
> 5.5 V
> 5.5 V
C1
47µF
6.3V
C1
47µF
6.3V
C
10µF
16V
×2
C
10µF
16V
×2
OUT1
OUT1
V
V
OUT
OUT
1A
1A
= 12V
C
330µF
25V
×2
= 12V
C
330µF
25V
×2
OUT2
OUT2