ADP1621ARMZ-R7 Analog Devices Inc, ADP1621ARMZ-R7 Datasheet - Page 29

• 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

f
C1 = MURATA GRM31MR71E225K
C
L1 = COILCRAFT MSS1038-333NL
10pF
OSC
OUT
C2
f
C1 = MURATA GRM31MR71E225K
C
L1 = COILCRAFT MSS1038-333NL
18pF
= 400kHz
OSC
= MURATA GRM31CR72A105K
OUT
C2
18kΩ
= 400kHz
= MURATA GRM31CR72A105K
R5
R
101kΩ
C
390nF
COMP
COMP
0.1µF
R
101kΩ
PWM
C
390nF
COMP
COMP
C3
0.1µF
Figure 41. 20-Series LED Driver with PWM at SDSN
R
50kΩ
1%
Figure 42. 20-Series LED Driver with Filtered PWM
C3
FREQ
R
50kΩ
1%
SDSN
COMP
FREQ
FREQ
ADP1621
AGND
PIN
SDSN
COMP
FREQ
ADP1621
AGND
800Ω
GND
PIN
R
M1 = VISHAY Si4482DY
D1 = IRF 10MQ100
PGND
Rev. A | Page 29 of 32
GATE
B
800Ω
GND
IN
CS
FB
R
M1 = VISHAY Si4482DY
D1 = IRF 10MQ100
PGND
GATE
B
IN
CS
FB
C4
0.1µF
800Ω
R
S
C4
0.1µF
800Ω
R
S
M1
100V
R
3m
L1
33µH
CS
V
100V
M1
100V
R
3mΩ
150mA
IN
D1
L1
33µH
10kΩ
LEDS
CS
1/4W
R2
= 10V TO 16V
100V
8Ω
R1
150mA
20
D1
LEDS
1/4W
8Ω
R1
20
22.9kΩ
0.1µF
6.3V
R3
C5
C
V
100V
10kΩ
C1
2.2µF
25V
IN
OUT
1µF
R4
×3
= 10V TO 16V
C
1µF
100V
×3
OUT
V
C1
2.2µF
25V
V
0V TO 4V
OUT
OUT
PWM =
ADP1621