TDK iEA Series manual 24/41

Data Sheet: Belleta® iEA Series –Single Output Eighth Brick

Electrical Data:
iEA48025A018V-000 through -015: 1.8V, 25A Output
Characteristic	Min	Typ	Max	Unit	Notes & Conditions
Output Voltage Initial Setpoint	1.77	1.8	1.83	Vdc	Vin=Vin,nom; Io=Io,max; Tc = 25˚C

Output Voltage Tolerance	1.74	1.8	1.86	Vdc	Over all rated input voltage, load, and
					temperature conditions to end of life
Efficiency	---	82.5	---	%	Vin=Vin,nom; Io=Io,max; Tc = 25˚C
Line Regulation	---	1	5	mV	Vin=Vin,min to Vin,max
Load Regulation	---	1	7	mV	Io=Io,min to Io,max
Temperature Regulation	---	10	50	mV	Tc=Tc,min to Tc,max
					At loads less than Io,min the module will
Output Current	2.0	---	25	A	continue to regulate the output voltage, but
					the output ripple may increase
Output Current Limiting Threshold	---	35	---	A	Vo = 0.9*Vo,nom, Tc<Tc,max
Short Circuit Current	---	20	---	A	Vo = 0.25V, Tc = 25˚C
	---	35	100	mVpp	Measured across one 1.0 uF ceramic
Output Ripple and Noise Voltage					capacitor and a 10uF tantalum capacitor –
					see input/output ripple measurement figure;
	---	8	---	mVrms	BW = 20MHz
Output Voltage Adjustment Range	90	---	110	%Vo,nom
Output Voltage Sense Range	---	---	10	%Vo,nom
Dynamic Response:	---	120	---		di/dt = 0.1A/uS, Vin=Vin,nom; load step
Recovery Time				uS
					from 50% to 75% of Io,max
Transient Voltage	---	130	---	mV
Output Voltage Overshoot during startup	---	---	165	mV	Vin=Vin,nom; Io=Io,max,Tc=25˚C
Switching Frequency	---	400	---	kHz	Fixed
Output Over Voltage Protection	2.12	---	2.58	V
External Load Capacitance	0	---	5000&	uF
Isolation Capacitance	---	1000	---	pF
Isolation Resistance	10	---	---	MP
Vref		1.225		V	Required for trim calculation

& Contact TDK Innoveta for applications that require additional capacitance or very low esr

©2004 TDK Innoveta® Inc.		￿ (877) 498-0099
iEAFullDatasheet 032707 3/29/2007	Revision 2.0	24/41