ISL85001IRZ Intersil, ISL85001IRZ Datasheet - Page 7

• 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 6. V
1.206
1.205
1.204
1.203
1.202
1.201
1.200
1.199
1.198
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0.0
0.0
FIGURE 4. EFFICIENCY vs LOAD, 500kHz, 25V
0.0
FIGURE 2. EFFICIENCY vs LOAD, 500kHz, 5V
2.5V
OUT
OUT
0.2
0.2
1.8V
0.2
REGULATION vs LOAD, 500kHz, 1.2V
OUT
25V
IN
1.2V
1.5V
1.8V
2.5V
OUTPUT LOAD (A)
OUTPUT LOAD (A)
OUTPUT LOAD (A)
0.4
0.4
0.4
OUT
OUT
OUT
OUT
7
12V
3.3V
5V
0.6
0.6
IN
0.6
OUT
IN
C9 = 10µF, C11 = 47µF, I
Unless otherwise noted, operating conditions are: T
5V
0.8
0.8
0.8
1.5V
OUT
IN
OUT
IN
OUT
1.0
1.0
1.0
ISL85001
OUT
= 0A to 1A. See “VIN (Pins 11, 12)” on page 6.
FIGURE 5. POWER DISSIPATION vs LOAD, 500kHz, 2.5V
1.510
1.509
1.508
1.507
1.506
1.505
1.504
1.503
1.502
FIGURE 7. V
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0.0
0.0
0.0
FIGURE 3. EFFICIENCY vs LOAD, 500kHz, 12V
0.1
OUT
0.2
0.2
0.2
3.3V
25V
REGULATION vs LOAD, 500kHz, 1.5V
1.5V
1.8V
1.2V
2.5V
A
OUT
0.3
IN
= +25°C, V
OUT
OUT
OUT
OUT
OUTPUT LOAD (A)
OUTPUT LOAD (A)
OUTPUT LOAD (A)
25V
0.4
0.4
0.4
IN
12V
IN
0.5
= 12V, EN = VDD, L = 22µH,
IN
5V
0.6
0.6
0.6
IN
12V
IN
5V
0.7
IN
5V
OUT
0.8
0.8
0.8
March 17, 2009
IN
0.9
FN6769.1
OUT
OUT
1.0
1.0
1.0