ADP1621ARMZ-R7(RevB) View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

ADP1621ARMZ-R7
(Rev.:RevB)

Constant-Frequency, Current-Mode Step-Up DC/DC Controller

Analog Devices 

ADP1621

VIN = 3.3V

C3

1µF

10V

C2

220pF

C4

0.1µF

10V

RCOMP

51.5kΩ

CCOMP

330pF

D2

R3

700Ω

L1

10µH

D1

PIN IN

CS

ADP1621

SDSN

GATE

COMP PGND

RS

200Ω

R1

88.7kΩ

1%

R2

10kΩ

M1

1%

FREQ

FB

GND

RFREQ

31.6kΩ

1%

VOUT = 12V

1A

COUT1

10µF

16V

×2

COUT2

330µF

25V

×2

C1

47µF

6.3V

AGND

fOSC = 600kHz

C1 = MURATA GRM31CR60J476M

COUT2 = RUBYCON 25ZL330M8x16

L1 = COILCRAFT MSS1260-103ML

M1 = IRF7470

D1 = VISHAY SSC53L

D2 = SIGNAL DIODE

Figure 34. Bootstrapped Application Circuit for VOUT > 5.5 V

VIN = 3.3V

C3

1µF

10V

C2

220pF

D3

C4

0.1µF

10V

RCOMP

51.5kΩ

CCOMP

330pF

D2

Q1

L1

10µH

R3

1.5kΩ

D1

PIN IN

CS

ADP1621

SDSN

GATE

COMP PGND

RS

200Ω

R1

88.7kΩ

1%

R2

10kΩ

M1 1%

FREQ

FB

GND

RFREQ

31.6kΩ

1%

VOUT = 12V

1A

COUT1

10µF

16V

×2

COUT2

330µF

25V

×2

C1

47µF

6.3V

AGND

fOSC = 600kHz

C1 = MURATA GRM31CR60J476M

COUT2 = RUBYCON 25ZL330M8x16

L1 = COILCRAFT MSS1260-103ML

Q1 = SIGNAL NPN TRANSISTOR

M1 = IRF7470

D1 = VISHAY SSC53L

D2, D3 = SIGNAL DIODE

Figure 35. Bootstrapped Application Circuit for VOUT > 5.5 V

Data Sheet

Rev. B | Page 24 of 32

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