AAT4621_12 Datasheet, PDF (8/17 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
AAT4621-1 I_LIM vs. Temperature
(V_CC = 5V; V_OUT = 4.5V; ENIL = 0V; R_SETL = 249kΩ)
420
415
410
405
400
395
-50
-25
0
25
50
Temperature (°C)
75
100
AAT4621-1 I_LIM vs. Temperature
(V_CC = 5V; V_OUT = 4.5V; ENIU = 0V; R_SETU = 1.24MΩ)
2100
2080
2060
2040
2020
2000
1980
1960
1940
-50
-25
0
25
50
75
100
Temperature (°C)
Quiescent Current I_Q vs. Temperature
(ENIU = 0V; ENIL = V_CC; or ENIL = 0V;
ENIU = V_CC; V_OUT = Open)
55
50
V_CC = 5V
45
40
35
30
V_CC = 3.3V
25
-40 -20
0
20
40
60
80 100 120
Temperature (°C)
V_EN(H) and V_EN(L) vs. Input Voltage
(ENIU = Open; Vary ENIL; T = 25°C)
1.1
1.0
V_EN(H)
0.9
0.8
V_EN(L)
0.7
0.6
2.5
3.5
4.5
5.5
6.5
7.5
Input Voltage (V)
V_EN(H) and V_EN(L) vs. Input Voltage
(ENIL = Open; Vary ENIU; T = 25°C)
1.1
1.0
V_EN(H)
0.9
0.8
V_EN(L)
0.7
0.6
2.5
3.5
4.5
5.5
6.5
7.5
Input Voltage (V)
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