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ADP1823 Datasheet(PDF) 6 Page - Analog Devices

No. de Pieza. ADP1823
Descripción  Dual, Interleaved, Step-Down DC-to-DC Controller with Tracking
Descarga  32 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Fabricante  AD [Analog Devices]
Página de inicio  http://www.analog.com
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ADP1823 Datasheet(HTML) 6 Page - Analog Devices

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ADP1823
Rev. A | Page 6 of 32
FUNCTIONAL BLOCK DIAGRAM
IN
UVLO
LOGIC
SYNC
FREQ
LINEAR REG
REF
PV
LDOSD
VREG
VREG
Q
S
R
PWM
PV
GND
+
+
+
+
+
+
+
+
VREG
THERMAL
SHUTDOWN
0.75V
0.55V
0.6V
0.8V
ILIM2
CK1
FAULT2
FAULT1
50µA
Q
Q
S
R
PWM
Q
ILIM1
CK1
RAMP1
CK2
RAMP2
OSCILLATOR
PHASE 1 = 0°
PHASE 2 = 180°
BST1
DH1
SW1
DL1
PGND1
CSL1
POK1
BST2
DH2
SW2
DL2
PGND2
CSL2
POK2
VREG
EN1
EN2
COMP1
FB1
TRK1
SS1
COMP2
FB2
TRK2
UV2
SS2
0.6V
0.8V
FAULT1
0.6V
0.8V
FAULT2
RAMP1
0.75V
0.55V
RAMP2
0.75V
0.55V
VREG
ILIM2
50µA
CK2
ADP1823
BOTTOM PADDLE
OF LFCSP
Figure 2. Functional Block Diagram


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