ISL8033AIRZ-T Intersil, ISL8033AIRZ-T Datasheet - Page 3

• Manufacturer Part Number: ISL8033AIRZ-T
• Description: IC REG SYNC BUCK DUAL 3A 24QFN
• Manufacturer: Intersil
• Type: Step-Down (Buck), PWM - Current Moder

Specifications of ISL8033AIRZ-T

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 0.8 V ~ 6 V
• Current - Output: 3A
• Frequency - Switching: 2.5MHz
• Voltage - Input: 2.85 V ~ 6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: *
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Block Diagram
S G N D
S G N D
EN 1
P G 1
EN 2
P G 2
FB 1
FB 2
1.6k
1.6k
SH U TD O W N
S H U TD O W N
B A N D G A P
B A N D G A P
1M
1M
V IN
V IN
0.736V
0.736V
S TA R T
0.864V
S TA R T
0.864V
SO FT-
SO FT-
3
STA
0.8V
R T
0.8V
S H U TD O W N
3pF
3pF
TH ER M A L
SLO P E
SLO P E
C O M P
C O M P
0.5V
0.5V
+
D E LA Y
+
D E LA Y
+
+
+
+
EA M P
1m s
1m s
E A M P
+
+
27pF
SC P
390k
S C P
S H U TD O W N
27pF
ISL8033, ISL8033A
390k
+
+
C O M P
C O M P
+
+
O S C ILLA TO R
0.3pF
0.3pF
TH R E S H O LD
LO G IC
C O N TR O LLER
C O N TR O LLE R
PR O TEC TIO N
O C P
P R O TEC TIO N
D R IV E R
D R IV E R
S H U TD O W N
LO G IC
S H U TD O W N
LO G IC
P W M
P W M
C S A 1
C S A 2
+ +
+ +
V IN
LX1
P G N D
S Y N C
IS ET
V IN
LX2
P G N D
March 24, 2011
FN6854.2