4 Revision History
Changes from Revision B (April 2019) to Revision C (October
2021)
- 更新了整個文檔中的表格、圖和交叉參考的編號格式Go
- Updated footnote to standard language.Go
- Deleted minimum and maximum peak value of current source for slope
compensation (ISLOPE) specifications. Updated typical from 54 μA to
36 μA. Removed table note (1) from this parameter.Go
- Changed typical peak current (ISO_PRI) specification from
1.5 A to 1 A Go
- Changed minimum BST_AUX undervoltage threshold
(VBST_AUX(UVLO) ) specification from 2.1 V to 3.5 V
Go
- Changed typical BST_AUX undervoltage threshold
(VBST_AUX(UVLO) ) specification from 2.8 V to 5.0 V
Go
- Changed maximum BST_AUX undervoltage threshold
(VBST_AUX(UVLO) ) specification from 3.6 V to 6.5 V
Go
- Clarified footnote in Section 6.6
Go
- Added information and clarity to Section 7.3.2(Undervoltage Lockout
(UVLO)Go
- Changed typical peak current
source value references from "1.5 A" to "1 A" in Section 7.3.6
Go
- Separated rising and falling specs to unique rowsGo
Changes from Revision A (June 2018) to Revision B (April 2019)
- Go
- Added minimum recommended values for RD1 and
RD2
Go
- Changed minimum recommended input voltage from 18V to 16V.
Go
- Added current limit parameters KCBC1, VCSOFFSET and IBiasOffset
Go
- Changed typical value of ISLOPE from 50-μA to 54-μA.Go
- Added parameter names for some items that had none: IOVL, VSSSecEn, VSSREn, tCSLSG, tCSBLK, VRESTh2, VRESTh3 VRTReg, VRTSync,ICOSsrEn, IAUX(LIM)
Go
- Changed parameter name VRES to VRESTh1
Go
- Changed parameter name VPWM-OS to IPWM-OS
Go
- Changed parameter VAUX_UVLO maximum value from 16.6V to 16V. Go
- Changed parameter name HC_BLK_TH to VHC_BLK_TH
Go
- Added new parameters AUX SUPPLY CURRENT LIMIT: tCSBLKA, tAUX(LIM), τAuxSns
Go
- Added new conditions in Switching Characteristics for tON
Go
- Added Reference to the Calculator tool.Go
- Changed Positive and negative current limit shown to be affected by LEB signal. Go
- Added reference to operation from voltages above 100V. Values replaced with parameter names. Go
- Changed Change to wording to improve clarity Go
- Added reference to table of device functional modes.Go
- Changed Parameter name VREF to VREFSec to
avoid confusion with primary reference voltage.Go
- Changed Implied minimum value of tD from 0-ns to 30-nsGo
- Added note that minimum value of RD1/RD2 resistors should not be less that 5-kΩ Go
- Added pre-biased start-up process is handled automatically by LM5036 Go
- Changed values to parameter names. VREF changed to VREFSec, TH changed to VTHSec
Go
- Changed values to parameter names. ICOMP is graphed instead of VCOMP. Go
- Changed VCOMP to ICOMP. Go
- Changed and expanded Section: 'Enhanced Cycle-by-Cycle Current Limiting with Pulse Matching'.Go
- Changed and expanded Section: 'Reverse Current Protection'. Go
- Added Section: 'CBC Threshold Accuracy'.Go
- Changed values to parameter names. Go
- Changed Section: 'ON_OFF Pin' to 'Over-Voltage / Latch (ON_OFF Pin)'. Values replaced by parameter names. Go
- Changed Section: 'Constant On-Time Control' to 'Auxiliary Constant On-Time Control'.Go
- Changed Section: 'On-Time Generator' to 'Auxiliary On-Time Generator'.Go
- Added method to calculate peak Auxiliary transformer current. External schottky recommended to improve Auxiliary efficiency during ASYNCH mode. Go
- Deleted Section: 'Ripple Configuration Types'Go
- Added Section: 'Auxiliary Ripple Configuration and Control'. Go
- Changed values to parameter names. Go
- Changed C26 from 330-pF to 47-pF, R29 from 165-kΩ to 220-kΩ. Added D11.Go
- Changed voltage targets for auxiliary output voltage from 12.6 V / 9
V to 11.9 V / 8.5 V. Go
- Added reference to Excel Calculator Tool. Go
- Added restriction on use of TL431 to implement secondary side error amplifier.Go
- Added reference to Power Stage Designer Tool. Go
- Changed values to parameter names. RUV1 andRUV2 replace R1 and R2. Go
- Changed Section: 'ON_OFF Pin Voltage Divider Selection' to 'Over Voltage / Latch (ON_OFF Pin) Voltage Divider Selection'. Go
- Added new Section: 'Half-Bridge Power Stage Design' Go
- Changed and expanded Section:'Current Limit' Go
- Changed calculation of Auxiliary transformer inductance. Go
- Changed calculated value for RON resistor. Go
- Changed calculated value of Auxiliary primary output capacitor value. Go
- Changed calculation of secondary output capacitor. Now uses ripple peak amplitude not peak-to-peak amplitude. Go
- Changed calculation of Auxiliary Feedback component values. Go
- Changed expression for ICOMP to fix error. Go
- Changed layout diagram to include external schottky diode connected between PGND and SW_AUX pins. Go
Changes from Revision * (April 2018) to Revision A (June 2018)
- 將銷售狀態從“預告信息”更改為“初始發行版”。Go