ISL85001IRZ Intersil, ISL85001IRZ Datasheet - Page 8

• Manufacturer Part Number: ISL85001IRZ
• Description: IC REG PWM BUCK 1A 12-DFN
• Manufacturer: Intersil
• Type: Step-Down (Buck), PWM - Voltage Moder

Specifications of ISL85001IRZ

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 0.6 ~ 19 V
• Current - Output: 1A
• Frequency - Switching: 500kHz
• Voltage - Input: 4.5 ~ 25 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: *
• Package / Case: 12-DFN
• Voltage - Supply: 4.5 V ~ 25 V
• Frequency-max: 550kHz
• Duty Cycle: 80%
• Pwm Type: Voltage Mode
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Typical Performance Curves
FIGURE 10. V
FIGURE 12. STEADY STATE OPERATION AT NO LOAD
FIGURE 8. V
1.814
1.813
1.812
1.811
1.810
1.809
1.808
1.807
1.806
3.330
3.328
3.326
3.324
3.322
3.320
3.318
3.316
3.314
0.0
0.0
25V
(5µs/DIV)
25V
OUT
OUT
IN
0.2
IN
0.2
REGULATION vs LOAD, 500kHz, 1.8V
REGULATION vs LOAD, 500kHz, 3.3V
PHASE 5V/DIV
I
V
20mV/DIV
L
OUT
OUTPUT LOAD (A)
0.1A/DIV
OUTPUT LOAD (A)
12V
12V
0.4
0.4
RIPPLE
IN
IN
8
7V
5V
IN
IN
0.6
0.6
C9 = 10µF, C11 = 47µF, I
Unless otherwise noted, operating conditions are: T
0.8
0.8
OUT
OUT
1.0
1.0
ISL85001
OUT
= 0A to 1A. See “VIN (Pins 11, 12)” on page 6. (Continued)
FIGURE 13. STEADY STATE OPERATION AT FULL LOAD
FIGURE 9. V
FIGURE 11. V
2.506
2.505
2.504
2.503
2.502
2.501
2.500
2.499
2.498
4.99
4.98
4.97
4.96
4.95
4.94
4.93
4.92
4.91
0.0
0.1
(1µs/DIV)
OUT
OUT
0.2
25V
REGULATION vs LOAD, 500kHz, 2.5V
0.3
25V
A
REGULATION vs LOAD, 500kHz, 5V
IN
= +25°C, V
IN
12V
PHASE 5V/DIV
I
V
20mV/DIV
L
OUTPUT LOAD (A)
OUT
IN
0.5A/DIV
OUTPUT LOAD (A)
7V
0.4
IN
RIPPLE
12V
0.5
IN
IN
5V
= 12V, EN = VDD, L = 22µH,
IN
0.6
0.7
0.8
March 17, 2009
0.9
FN6769.1
OUT
OUT
1.0