ISL8022IRZ-T7A Intersil, ISL8022IRZ-T7A Datasheet - Page 10

• Manufacturer Part Number: ISL8022IRZ-T7A
• Description: IC REG SYNC BUCK DUAL 12DFN
• Manufacturer: Intersil
• Type: Step-Down (Buck)r

Specifications of ISL8022IRZ-T7A

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 0.6 V ~ 5.5 V
• Current - Output: 2A, 1.7A
• Frequency - Switching: 2.25MHz
• Voltage - Input: 2.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 12-VFDFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Typical Operating Performance
T
I
FIGURE 23. SOFT-START WITH NO LOAD CHANNEL 1
OUT2
A
= +25°C, V
FIGURE 19. LOAD TRANSIENT CHANNEL 1 (PWM)
FIGURE 21. LOAD TRANSIENT CHANNEL 1 (PFM)
V
EN1 2V/DIV
IL1 0.5A/DIV
PG 5V/DIV
= 0A to 1.7A. (Continued)
OUT1
1V/DIV
V
(PWM)
OUT1
VIN
= 2.8V to 5.5V, EN = V
RIPPLE 50mV/DIV
V
OUT1
IL1 1A/DIV
PG 5V/DIV
IL1 1A/DIV
LX1 2V/DIV
RIPPLE 50mV/DIV
10
TB = 1ms/DIV
TB = 500µs/DIV
TB = 200µs/DIV
IN
, L1 = L2 = 1.2µH, C1 = 10µF, C2 = C4 = 22µF, I
ISL8022
(Unless otherwise noted) operating conditions are:
FIGURE 24. SOFT-START WITH NO LOAD CHANNEL 2
FIGURE 20. LOAD TRANSIENT CHANNEL 2 (PWM)
FIGURE 22. LOAD TRANSIENT CHANNEL 2 (PFM)
V
EN2 2V/DIV
IL2 0.5A/DIV
PG 5V/DIV
OUT2
1V/DIV
(PWM)
V
OUT2
V
OUT2
RIPPLE 50mV/DIV
PG 5V/DIV
IL2 1A/DIV
IL2 1A/DIV
RIPPLE 50mV/DIV
LX2 2V/DIV
OUT1
= 0A to 2A,
TB = 500µs/DIV
TB = 1ms/DIV
TB = 200µs/DIV
August 25, 2010
FN7650.1