ISL9305IRTHWCNLZ-T Intersil, ISL9305IRTHWCNLZ-T Datasheet - Page 14

• Manufacturer Part Number: ISL9305IRTHWCNLZ-T
• Description: IC PMIC 800MA 3MHZ 16TQFN
• Manufacturer: Intersil

Specifications of ISL9305IRTHWCNLZ-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 14. 4-CHANNEL DEFAULT START-UP @ NO LOAD
FIGURE 18. DCD OUTPUT VOLTAGE vs OUTPUT CURRENT
FIGURE 16. EFFICIENCY vs LOAD (V
1.83
1.82
1.81
1.80
1.79
1.78
1.77
1.76
100
90
80
70
60
50
40
30
1
1
V
CH1: VODCD1 (2V/DIV), CH2: VODCD2 (1V/DIV),
CH3: VOLDO1 (1V/DIV), CH4: VOLDO2 (2V/DIV)
(V
IN
OUT
= 5.5V
V
IN
= 1.8V, PFM/PWM)
10
10
= 5.5V
OUTPUT CURRENT (mA)
OUTPUT CURRENT (mA)
V
IN
V
= 3.6V
IN
14
= 3.6V
100
100
V
V
OUT
IN
IN
= 2.8V
= 2.8V
1000
1000
= 1.8V, PFM/PWM)
10000
10000
(Continued)
ISL9305H
FIGURE 15. 4-CHANNEL DEFAULT START-UP @ FULL LOAD
FIGURE 17. EFFICIENCY vs LOAD (V
FIGURE 19. DCD OUTPUT VOLTAGE vs OUTPUT CURRENT
1.23
1.22
1.21
1.20
1.19
1.18
1.17
90
80
70
60
50
40
30
1
1
V
IN
CH1: VODCD1 (2V/DIV), CH2: VODCD2 (1V/DIV),
CH3: VOLDO1 (1V/DIV), CH4: VOLDO2 (2V/DIV)
(V
= 5.5V
OUT
V
IN
= 1.2V, PFM/PWM)
= 5.5V
10
10
V
OUTPUT CURRENT (mA)
OUTPUT CURRENT (mA)
IN
= 3.6V
V
IN
= 3.6V
100
100
V
IN
OUT
= 2.8V
V
IN
= 1.2V, FORCED PWM)
= 2.8V
1000
1000
November 8, 2010
10000
10000
FN7724.0