ISL9305IRTAANLZ-T Intersil, ISL9305IRTAANLZ-T Datasheet - Page 14

• Manufacturer Part Number: ISL9305IRTAANLZ-T
• Description: IC PMIC 800MA 3MHZ 16TQFN
• Manufacturer: Intersil

Specifications of ISL9305IRTAANLZ-T

• Topology: Step-Down (Buck) (2), Linear (LDO) (2)
• Function: Any Function
• Number Of Outputs: 4
• Frequency - Switching: 3MHz
• Voltage/current - Output 1: 0.8 V ~ 5.5 V, 800mA
• Voltage/current - Output 2: 0.8 V ~ 5.5 V, 800mA
• Voltage/current - Output 3: 0.9 V ~ 3.3 V, 350mA
• W/led Driver: No
• W/supervisor: No
• W/sequencer: No
• Voltage - Supply: 1.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: *
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Typical Operating Conditions
FIGURE 11. DCD OUTPUT TRANSIENT RESPONSE (V
FIGURE 15. DCD OUTPUT VOLTAGE vs LOAD (V
FIGURE 13. START-UP SEQUENCY (V
1.83
1.82
1.81
1.80
1.79
1.78
1.77
1.76
1
STEP: 80mA to 800mA)
PFM/PWM)
IOUT_VODCD1 (500mA/DIV
V
IN
VODCD1 (100mV/DIV
= 5.5V
VODCD2 (10mV/DIV)
10
OUTPUT CURRENT (mA)
V
IN
14
= 3.6V
100
VODCD2 (1V/DIV)
VOLDO2 (2V/DIV)
V
VOLDO1 (1V/DIV)
VODCD1 (2V/DIV)
IN
IN
= 2.8V
= 4.2V, NO LOAD)
OUT
1000
= 1.2V,
IN
= 4.2V, LOAD
10000
(Continued)
ISL9305
FIGURE 12. LDO OUTPUT TRANSIENT RESPONSE (V
FIGURE 14. DCD1 and DCD2 SWITCHING WAVEFORM (V
FIGURE 16. DCD OUTPUT VOLTAGE vs LOAD (V
1.23
1.22
1.21
1.20
1.19
1.18
1.17
LOAD: 30mA TO 300mA)
LOAD ON TWO CHANNELS)
1
PFM/PWM)
V
IN
= 5.5V
VOLDO2 (10mV/DIV)
IOUT_LDO1 (200mA/DIV
IL1 (200mA/DIV)
VOLDO1 (100mV/DIV
IL2 (200mA/DIV)
10
SW1 (5V/DIV)
SW2 (5V/DIV)
V
IN
OUTPUT CURRENT (mA)
= 3.6V
100
V
IN
= 2.8V
OUT
1000
= 1.2V,
IN
November 8, 2010
= 4.2V, STEP
IN
= 5V, FULL
10000
FN7605.0