InnoSwitch3-EP
ꢇꢂꢄIꢊ
ꢗꢇꢙ
ꢆꢊꢇEꢂꢌꢈꢍEꢂ
IꢊPꢆꢀ ꢍꢈꢅꢀꢄꢕE ꢗꢍꢙ
PꢂIꢃꢄꢂꢚ ꢏꢚPꢄSS
ꢗꢏPPꢙ
PꢂIꢃꢄꢂꢚ ꢏꢚPꢄSS
ꢂEꢕꢆꢅꢄꢀꢈꢂ
EꢊꢄꢏꢅE
ꢎꢄꢆꢅꢀ
EꢊꢄꢏꢅE
ꢏPPꢌꢆꢍ
ꢄꢆꢀꢈ-ꢂESꢀꢄꢂꢀ
ꢋꢈꢆꢊꢀEꢂ
ꢂESEꢀ
PꢂIꢃꢄꢂꢚ
ꢅIꢊE
IꢊꢀEꢂꢎꢄꢋE
ꢕꢄꢀE
ꢏꢚPꢄSS PIꢊ
ꢏPPꢌꢆꢍ
ꢆꢊꢇEꢂꢍꢈꢅꢀꢄꢕE
PꢂIꢃꢄꢂꢚ
ꢏꢚPꢄSS PIꢊ
ꢋꢄPꢄꢋIꢀꢈꢂ
SEꢅEꢋꢀ ꢄꢊꢇ
ꢋꢆꢂꢂEꢊꢀ
ꢅIꢃIꢀ
PꢂIꢃ-ꢋꢅꢔ
ꢖIꢀꢀEꢂ
+
-
ꢆꢍꢌꢈꢍ
ꢕꢄꢀE
ꢍSꢁꢆꢊꢀ
ꢍꢏPꢜ
ꢈSꢋIꢅꢅꢄꢀꢈꢂꢌ
ꢀIꢃEꢂS
ꢍIꢅIꢃ
tꢈꢊꢗꢃꢄꢘꢙ
tꢈꢎꢎꢗꢏꢅꢈꢋꢔꢙ
ꢕꢄꢀE
ꢀꢁEꢂꢃꢄꢅ
Sꢁꢆꢀꢇꢈꢉꢊ
ꢕꢄꢀE
ꢏPP
PꢂIꢃꢌSEꢋ
ꢎꢄꢆꢅꢀ
SꢐcꢂEꢝ
ꢈꢍꢌꢆꢍ
ꢅꢄꢀꢋꢁ-ꢈꢎꢎ
ꢎꢛoꢞ
Sꢐconꢟꢠꢛꢡ
ꢋontꢛoꢒꢒꢐꢛ
SꢐcPꢑꢒꢓꢐ
SꢐnꢓꢐꢎEꢀ
PꢂIꢃꢌSEꢋ
Powꢐꢛ
ꢃꢈSꢎEꢀ
ꢝ
ꢝ
S
ꢂ
ꢂEꢋEIꢍEꢂ
ꢋꢈꢊꢀꢂꢈꢅꢅEꢂ
SEꢋ-
ꢅꢄꢀꢋꢁ
ꢇꢂIꢍEꢂ
ꢏPPꢌꢆꢍ
IꢅIꢃ
tꢈꢎꢎꢗꢏꢅꢈꢋꢔꢙ
ꢅEꢏ
IS
PꢂIꢃ-ꢋꢅꢔ
+
-
PꢂIꢃꢄꢂꢚ ꢈꢍP
ꢅꢄꢀꢋꢁ
ꢅꢄꢀꢋꢁ-ꢈꢎꢎ
ꢍIꢅIꢃ
tꢈꢊꢗꢃꢄꢘꢙ
PI-8044-083017
SꢈꢆꢂꢋE
ꢗSꢙ
Figure 3. Primary Controller Block Diagram.
ꢉꢃꢄꢊꢆꢄꢀ
ꢋꢉꢊꢀꢌ
SꢎꢅꢂꢄꢃꢅꢃꢐS ꢄEꢂꢁIꢉIEꢄ ꢀꢄIꢗE
ꢋSꢄꢌ
ꢃꢐꢁPꢐꢁ ꢗꢃꢈꢁꢆꢏE
ꢋꢗꢃꢐꢁꢌ
Sꢄ ꢂꢃꢅꢁꢄꢃꢈ
ꢄEꢏꢐꢈꢆꢁꢃꢄ
ꢝꢞꢝ ꢗ
ꢉꢃꢄꢊꢆꢄꢀ
ꢇPSꢐꢗ
Iꢅꢙ
EꢅꢆꢇꢈE
Sꢄ
SEꢂꢃꢅꢀꢆꢄꢎ
ꢇꢎPꢆSS
ꢋꢇPSꢌ
ꢗꢃꢐꢁ
ꢡ
-
ꢝꢞꢝ ꢗ
3ꢞꢟ ꢗ
ꢀEꢁEꢂꢁꢃꢄ
ꢚꢄ
S
ꢚ
ꢚ
ꢉ
ꢄ
Sꢄ
ꢁꢙꢄESꢙꢃꢈꢀ
ꢙꢆꢅꢀSꢙꢆꢍEꢠ
ꢈꢆꢁꢂꢙ-ꢃꢉꢉ
SEꢂꢃꢅꢀꢆꢄꢎ
ꢈꢆꢁꢂꢙ
Iꢅꢙ
ꢀꢂꢘ
ꢂꢃꢅꢁꢄꢃꢈ
ꢁo
Pꢑiꢒꢓꢑꢔ
ꢄꢕcꢕiꢖꢕꢑ
ꢉEEꢀꢇꢆꢂꢍ
ꢋꢉꢇꢌ
ꢡ
-
Iꢅꢙ
ꢉEEꢀꢇꢆꢂꢍ
ꢀꢄIꢗEꢄ
ꢗꢄEꢉ
ꢚꢄ
ꢉEEꢀꢇꢆꢂꢍ
ꢂꢃꢘPEꢅSꢆꢁIꢃꢅ
ꢁꢛꢘꢆꢜ
ꢡ
-
ꢗPꢍ
ꢂꢃꢅSꢁꢆꢅꢁ
PꢃꢊEꢄ
tꢃꢉꢉꢋꢘIꢅꢌ
tSEꢂIꢅꢙꢋꢘꢆꢜꢌ
ꢃSꢂIꢈꢈꢆꢁꢃꢄꢠ
ꢁIꢘEꢄ
IS ꢁꢙꢄESꢙꢃꢈꢀ
tSSꢋꢄꢆꢘPꢌ
SEꢂꢃꢅꢀꢆꢄꢎ ISEꢅSE
ꢏꢄꢃꢐꢅꢀ
ꢋꢏꢅꢀꢌ
ꢋISꢌ
ꢀꢁꢂ80ꢃꢄꢅꢂ0ꢆ1ꢇ1ꢈ
Figure 4. Secondary Controller Block Diagram.
2
Rev. D 08/18
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