ADP1870ACPZ-0.3-R7 Analog Devices Inc, ADP1870ACPZ-0.3-R7 Datasheet - Page 18

• Manufacturer Part Number: ADP1870ACPZ-0.3-R7
• Description: 300kHz, Light Load Eff Enabled
• Manufacturer: Analog Devices Inc

Specifications of ADP1870ACPZ-0.3-R7

• Frequency - Max: 300kHz
• Pwm Type: Current Mode
• Number Of Outputs: 1
• Duty Cycle: 84%
• Voltage - Supply: 2.95 V ~ 20 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 10-WFDFN, CSP Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ADP1870ACPZ-0.3-R7; ADP1870ACPZ-0.3-R7TR

ADP1870/ADP1871
ADP1870/ADP1871 BLOCK DIAGRAM
COMP/
VREG
EN
FB
C
I
SS
SS
REF_ZERO
LOWER
CLAMP
COMP
SS_REF
ADP1870/ADP1871
ENABLE BLOCK
0.6V
PRECISION
REF_ZERO
ERROR
AMP
SS
COMP
AND REFERENCE
AMP
PWM
CS
BIAS BLOCK
REF
Figure 65. ADP1870/ADP1871 Block Diagram
LDO
PSM
TO ENABLE
ALL BLOCKS
GND
I
COMP
REV
CS GAIN SET
Rev. A | Page 18 of 44
INFORMATION
TON
BG_REF
PSM
IN_SS
PWM
I
t
REV
ON
ADC
MACHINE
TIMER
STATE
VREG
DH_LO
DL_LO
DRVH
DRVL
SW
RES DETECT AND
GAIN SET
SW
C
VREG
I
0.4V
LEVEL
R (TRIMMED)
SHIFT
SW FILTER
t
ON
= 2RC(V
HS
LS
OUT
VREG
800kΩ
/V
IN
)
300kΩ
8kΩ
VIN
BST
DRVH
SW
DRVL
PGND