AAT4621_12 Datasheet, PDF (6/17 Pages) Skyworks Solutions Inc. – PC Card Current Limit Interface and Capacitor Charger

DATA SHEET
AAT4621
PC Card Current Limit Interface and Capacitor Charger
Typical Characteristics
AAT4621 Output Current vs. Output Voltage
(R_SETU = 383kΩ, 25°C)
0.40
V_CC = 3.3V
0.30
0.20
0.10
V_CC = 5V
0.00
0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3 3.3
Output Voltage (V)
AAT4621-1 Output Current vs. Output Voltage
(R_SETU = 374KΩ; T_A = 25°C)
0.7
0.6
0.5
0.4
V_CC = 3.3V
0.3
V_CC = 5V
0.2
0.1
0
1.5 1.8 2.1 2.4 2.7 3.0 3.3 3.6 3.9 4.2 4.5 4.8 5.1
Output Voltage (V)
1.40
1.20
1.00
0.80
0.60
0.40
0.20
0.00
0
AAT4621 I_LIM vs. R_SET
(25°C)
V_CC = 3.3V
V_CC = 5V
200 400 600 800 1000 1200 1400 1600
R_SET (kΩ)
Reverse Off-Switch Current vs. Temperature
(ENIU = ENIL = High; V_CC = 0V)
100
10
V_OUT = 5V
1
0.1
V_OUT = 3.3V
0.01
-40 -20
0
20
40
60
80
Temperature (°C)
100 120
AAT4621-1 I_LIM vs. R_SET
(25°C)
3
2.5
2
1.5
V_CC = 3.3V
1
0.5
V_CC = 5V
0
0
200 400 600 800 1000 1200 1400 1600
R_SET (kΩ)
Off-Switch Current vs. Temperature
(ENIU = ENIL = High; V_OUT = 0V)
100
10
V_CC = 5V
1
0.1
0.01
-40 -20
V_CC = 3.3V
0
20
40
60
80
Temperature (°C)
100 120
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
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201944A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • May 15, 2012