ISL6236 查看數據表（PDF） - Intersil
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ISL6236 Datasheet PDF : 35 Pages
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ISL6236
Typical Performance Curves
Circuit of Figures 66, 67 and 68, no load on LDO, OUT1, OUT2, VREF3, and REF, VIN = 12V,
EN2 = EN1 = VCC, VBYP = 5V, PVCC = 5V, VEN LDO = 5V, TA = -40°C to +100°C, unless
otherwise noted. Typical values are at TA = +25°C. (Continued)
50
1400
45
40
35
30
25
20
7 9 11 13 15 17 19 21 23 25
INPUT VOLTAGE (V)
FIGURE 33. PWM NO LOAD INPUT CURRENT vs VIN
(EN = EN2 = EN LDO = VCC)
1200
1000
800
600
400
200
0.0
7
9 11 13 15 17 19 21 23 25
INPUT VOLTAGE (V)
FIGURE 34. SKIP NO LOAD INPUT CURRENT vs VIN
(EN1 = EN2 = EN LDO = VCC)
177.5
177.0
176.5
176.0
175.5
175.0
174.5
174.0
173.5
173.0
7
9 11 13 15 17 19 21 23 25
INPUT VOLTAGE (V)
FIGURE 35. STANDBY INPUT CURRENT vs VIN
(EN = EN2 = 0, EN LDO = VCC)
26.5
26.0
25.5
25.0
24.5
24.0
23.5
23.0
22.5
22.0
7
9 11 13 15 17 19 21 23 25
INPUT VOLTAGE (V)
FIGURE 36. SHUTDOWN INPUT CURRENT vs VIN
(EN = EN2 = EN LDO = 0)
VREF3 500mV/DIV
LDO 1V/DIV
CP 5V/DIV
REF 1V/DIV
FIGURE 37. REF, VREF3, LDO = 5V, CP, NO LOAD
14
EN1 5V/DIV
VOUT1 2V/DIV
IL1 2A/DIV
POK1 2V/DIV
FIGURE 38. START-UP VOUT1 = 5V (NO LOAD, SKIP MODE)
FN6373.6
April 29, 2010
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